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An extremely rare condition in which a female has two extra X chromosomes.

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Last Updated: Jun 13, 2017

A

An enlarged area in the lower part of the aorta, a major blood vessel.

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Last Updated: Jun 13, 2017

Bloating and swelling in the belly area.

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Last Updated: May 25, 2018

Excess weight that develops over time around the center of the body. Abdominal fat is also called visceral fat.

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Last Updated: Aug 2, 2023

Pain from inside the abdomen or the outer muscle wall, ranging from mild and temporary to severe and requiring emergency care.

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Last Updated: May 26, 2018

An abrasion is an injury caused by something that rubs or scrapes against the skin or tissue.

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Last Updated: Nov 22, 2023

A pocket of pus that collects under the skin or in deeper spaces inside the body.

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Last Updated: Mar 28, 2024

A skin condition that causes dark, velvety patches in body folds and creases.

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Last Updated: Oct 21, 2023

A rare disorder making it difficult for food and liquid to pass into the stomach.

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Last Updated: Jun 13, 2017

An injury of the Achilles tendon, which joins the calf muscles to the heel bone.

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Last Updated: Sep 27, 2023

A partial or complete tear of the tendon just above the heel. The injury makes it hard to raise the foot or walk properly.

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Last Updated: Jun 24, 2023

The most common type of short-limbed dwarfism.

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Last Updated: Jun 13, 2017

A buildup of acid in the body.

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Last Updated: Sep 28, 2023

A skin condition that occurs when hair follicles plug with oil and dead skin cells.

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Last Updated: Oct 21, 2023

A condition in adults in which the pituitary gland makes too much growth hormone.

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Last Updated: Apr 26, 2023

A rough, scaly patch on the skin caused by years of sun exposure.

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Last Updated: Oct 21, 2023

Any condition brought on by a sudden reduction or blockage of blood flow to the heart.

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Last Updated: May 25, 2018

A type of cancer of the blood and bone marrow that affects white blood cells.

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Last Updated: Mar 14, 2024

A type of cancer of the blood and bone marrow that affects mature blood cell growth.

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Last Updated: Mar 13, 2024

Sudden inflammation in the pancreas.

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Last Updated: Jun 13, 2017

A condition in which the kidneys suddenly lose their ability to filter waste products from blood.

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Last Updated: Mar 28, 2024

Condition in which fluid collects in the lungs' air sacs, depriving organs of oxygen.

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Last Updated: Jun 13, 2017

An illness that happens when the body doesn't make enough of certain hormones.

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Last Updated: Aug 16, 2023

Swelling of an infection-fighting node, called a lymph node.

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Last Updated: Feb 16, 2024

A form of cancer that starts in the cells that line certain organs, called glandular cells.

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Last Updated: Aug 8, 2023

A noncancerous tumor occurring in glandular tissue.

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Last Updated: Jan 4, 2020

A condition in which the tissue that lines the uterus grows into the muscular wall of the uterus.

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Last Updated: Mar 28, 2024

A condition involving stiffness and pain in the shoulder joint. Also known as frozen shoulder.

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Last Updated: Jul 18, 2023

A type of stress-related mental condition brought on by a life change.

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Last Updated: Jun 13, 2017

A term for a broad group of symptoms such as body aches and tiredness.

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Last Updated: May 11, 2023

A condition where the adrenal glands don't make enough of certain hormones.

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Last Updated: Apr 28, 2023

A genetic condition that damages the membrane surrounding the brain nerve cells.

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Last Updated: Jun 13, 2017

A mental health condition exhibited by difficulty maintaining attention.

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Last Updated: Jun 13, 2017

A disease caused by infection with a parasite spread through a tsetse fly bite.

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Last Updated: Mar 15, 2024

A type of behavior intending to cause physical or mental harm.

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Last Updated: May 25, 2018

Loss of the ability to identify objects or people.

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Last Updated: May 25, 2018

Fear of places and situations that might cause panic, helplessness, or embarrassment.

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Last Updated: Jan 12, 2023

A feeling of muscle quivering, restlessness, and inability to sit still, sometimes a side effect of antipsychotic or antidepressant medication.

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Last Updated: May 24, 2018

A group of inherited disorders characterized by little or no melanin production.

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Last Updated: Jun 13, 2017

A pattern of drinking that interferes with day-to-day activities.

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Last Updated: Jun 13, 2017

A disturbance in behavior or mental acuity during or after alcohol consumption.

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Last Updated: Jun 13, 2017

Symptoms that occur after stopping heavy drinking of alcohol.

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Last Updated: Jun 13, 2017

A chronic disease including uncontrolled drinking and preoccupation with alcohol.

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Last Updated: Jun 13, 2017

An allergic response causing itchy, watery eyes, sneezing, and other similar symptoms.

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Last Updated: Jun 13, 2017

Swelling and irritation of the spaces inside the nose and head, also known as sinuses, due to allergies.

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Last Updated: May 12, 2023

Hair loss from the scalp or body that can occur in people of any age and gender.

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Last Updated: Jan 19, 2024

Sudden hair loss that starts with 1 or more round bald patches that may overlap.

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Last Updated: Jan 19, 2024

Feeling sick from lower oxygen levels after arriving at a high altitude.

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Last Updated: Mar 28, 2024

A painful dental condition occurring after an adult tooth is removed.

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Last Updated: Jun 13, 2017

A progressive disease that destroys memory and other important mental functions.

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Last Updated: Jun 13, 2017

A parasitic infection of the colon with the amoeba Entamoeba histolytica.

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Last Updated: Mar 19, 2024

Not having monthly menstrual periods.

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Last Updated: Feb 27, 2024

Inability to remember events for a period of time, often due to brain injury, illness, or the effects of drugs or alcohol.

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Last Updated: Jun 13, 2017

The buildup of amyloid proteins in the heart, kidneys, liver or other organs.

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Last Updated: Jun 24, 2023

A nervous system disease that weakens muscles and impacts physical function.

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Last Updated: Jun 13, 2017

A type of cancer that occurs in the anal canal, a short tube at the end of the rectum.

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Last Updated: Nov 29, 2023

A small tear in the lining of the anus.

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Last Updated: Jun 13, 2017

An infection between the skin and the anus.

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Last Updated: Jun 13, 2017

A severe, potentially life-threatening allergic reaction.

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Last Updated: Jun 13, 2017

General swelling throughout the body.

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Last Updated: Dec 19, 2023

Hair loss from the scalp, causing baldness.

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Last Updated: Jan 19, 2024

Hormone changes in men that are related to aging.

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Last Updated: Apr 27, 2023

A condition in which the blood doesn't have enough healthy red blood cells and hemoglobin.

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Last Updated: May 3, 2023

Low red blood cells caused by certain chronic diseases.

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Last Updated: Aug 18, 2023

An underdeveloped brain and an incomplete skull.

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Last Updated: Jun 13, 2017

One or more missing or extra chromosomes.

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Last Updated: Jun 13, 2017

A ballooning and weakened area in an artery.

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Last Updated: Feb 6, 2020

A genetic disorder causing developmental disabilities and nerve-related symptoms.

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Last Updated: Jun 13, 2017

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Last Updated: Apr 11, 2023

A type of chest pain caused by reduced blood flow to the heart.

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Last Updated: Jan 5, 2024

Painless swelling under the skin, triggered by an allergy to animal dander, pollen, drugs, venom, food, or medicine.

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Last Updated: Oct 27, 2023

Inflammation and small tears in one or both corners of the mouth.

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Last Updated: Jun 13, 2017

An inability to experience pleasure.

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Last Updated: May 25, 2018

Physical discomfort in the ankle area, often including the joint or the tendon that connects the lower leg to the heel, known as the Achilles tendon.

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Last Updated: May 12, 2023

A condition that restricts the tongue's range of motion.

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Last Updated: Jun 13, 2017

An inflammatory disease that fuses spinal vertebrae together.

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Last Updated: Nov 18, 2023

An eating disorder causing people to obsess about weight and what they eat.

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Last Updated: Jun 13, 2017

A torn anterior cruciate ligament in the knee.

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Last Updated: May 11, 2023

A rare but serious illness that spreads through sick animals or tainted animal products.

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Last Updated: Jan 10, 2024

A condition in which the immune system mistakenly attacks normal proteins in the blood.

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Last Updated: Jul 22, 2023

A dysfunction of a person's ways of thinking, perceiving situations, and relating to others.

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Last Updated: May 26, 2018

A chronic mental condition that affects thinking, perceiving, and relating to others.

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Last Updated: Jun 13, 2017

Intense, excessive, and persistent worry and fear about everyday situations. Fast heart rate, rapid breathing, sweating, and feeling tired may occur.

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Last Updated: May 25, 2018

A mental condition in which excessive, ongoing worry interferes with regular activities.

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Last Updated: Jun 13, 2017

A tear in the inner layer of the body's main artery, called the aorta.

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Last Updated: Nov 18, 2023

Narrowing of the valve in the large blood vessel branching off the heart (aorta).

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Last Updated: Jun 13, 2017

Feeling indifferent or lacking emotion, often a sign of depression or misuse of alcohol or drugs.

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Last Updated: May 25, 2018

A language disorder that affects a person's ability to communicate.

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Last Updated: Jun 13, 2017

A rare and serious condition in which the body stops making enough new blood cells.

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Last Updated: Dec 14, 2023

A condition in which the appendix becomes inflamed and filled with pus, causing pain.

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Last Updated: Jun 13, 2017

Cancer of the finger-shaped pouch attached to the colon, called the appendix.

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Last Updated: Aug 8, 2023

Not feeling hungry nor wanting to eat.

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Last Updated: Feb 28, 2024

Difficulty with skilled movements even when a person has the ability and desire to do them.

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Last Updated: Jun 13, 2017

Inability to perform a movement or task when asked despite having the desire and physical capability to carry it out.

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Last Updated: Jun 13, 2017

Physical discomfort in any part of the arm.

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Last Updated: May 24, 2023

A condition in which brain tissue extends into the spinal canal, present at birth.

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Last Updated: Jun 13, 2017

An abnormal connection between arteries and veins, usually in the brain or spine.

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Last Updated: Jun 13, 2017

Swelling and tenderness in one or more joints, causing joint pain or stiffness that often gets worse with age.

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Last Updated: Aug 29, 2023

Any disease of the joints.

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Last Updated: Sep 9, 2023

Abdominal swelling caused by accumulation of fluid, most often related to liver disease.

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Last Updated: Jun 13, 2017

Lack of oxygen to the brain.

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Last Updated: Jun 13, 2017

A lung infection caused by unintentional inhalation of food, drink, vomit, or saliva.

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Last Updated: Jun 13, 2017

Eyestrain, or eye fatigue.

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Last Updated: May 25, 2018

A condition in which a person's airways narrow and swell and produce extra mucus.

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Last Updated: Jun 13, 2017

An imperfection in the eye's curvature.

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Last Updated: Jun 13, 2017

Showing no symptoms of a medical condition.

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Last Updated: May 15, 2024

Impaired balance or coordination, can be due to damage to brain, nerves, or muscles.

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Last Updated: May 25, 2018

Complete or partial collapse of a lung or a section (lobe) of a lung.

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Last Updated: Jun 13, 2017

A mass of fats, cholesterol, and other substances (plaque) in an artery.

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Last Updated: Jun 13, 2017

The buildup of fats, cholesterol, and other substances in and on the artery walls.

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Last Updated: Jun 13, 2017

A condition that causes dry, itchy, and inflamed skin. It's also called eczema.

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Last Updated: Nov 4, 2023

An irregular, often rapid heart rate that commonly causes poor blood flow.

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Last Updated: Jun 13, 2017

A condition in which the heart's upper chambers (atria) beat too quickly.

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Last Updated: Jun 13, 2017

A hole in the wall between the heart's upper chambers that's present at birth.

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Last Updated: Dec 14, 2023

Wasting or degeneration of cells, tissues or organs, caused by a number of conditions.

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Last Updated: May 25, 2018

A condition marked by hyperactivity, impulsiveness, and trouble keeping attention.

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Last Updated: Jun 13, 2017

A chronic condition including attention difficulty, hyperactivity, and impulsiveness.

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Last Updated: Jun 13, 2017

A lung infection (pneumonia) with atypical symptoms.

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Last Updated: Jun 13, 2017

A condition that makes it hard to understand speech.

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Last Updated: Sep 30, 2023

Symptoms or sensations, such as flashing lights or zigzag lines, which typically precede migraine headache, seizure, or other neurological events.

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Last Updated: May 25, 2018

A serious developmental disorder that impairs the ability to communicate and interact.

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Last Updated: Jan 10, 2024

A disorder that happens when the immune system attacks the thyroid gland.

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Last Updated: Mar 15, 2023

The death of bone tissue due to a lack of blood supply. Avascular necrosis also is known as osteonecrosis.

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Last Updated: Aug 4, 2023

A lack of the recommended blood levels of one or more essential vitamins.

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Last Updated: Jan 3, 2024

A disorder characterized by social discomfort and avoidance of interpersonal contact.

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Last Updated: Jun 13, 2017

An injury in which body tissue is ripped or torn away.

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Last Updated: Jan 10, 2024

A condition in which the body doesn't make sperm.

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Last Updated: May 7, 2024

Elevated levels of certain waste products in the blood.

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Last Updated: Sep 28, 2023

B

Red bumps that appear on a baby's cheeks, nose, and forehead.

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Last Updated: Jun 13, 2017

When a well-fed, healthy baby cries long, hard and loud for no known reason at the same time every day.

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Last Updated: Feb 14, 2024

Physical discomfort occurring anywhere on the spine or back, ranging from mild to disabling.

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Last Updated: May 7, 2024

A painful infection in a joint.

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Last Updated: Jul 20, 2023

A condition caused by too much of certain bacteria in the vagina.

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Last Updated: Aug 5, 2023

A fluid-filled cyst behind the knee.

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Last Updated: Jun 13, 2023

Inflammation of the foreskin and head of the penis.

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Last Updated: May 7, 2024

Damage to the lower portion of the tube that connects the mouth and stomach (esophagus).

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Last Updated: May 24, 2018

A small fluid-filled sac near the opening of the vagina.

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Last Updated: Mar 29, 2024

A type of skin cancer that begins in the basal cells.

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Last Updated: Sep 9, 2023

Bedbug infestation definition

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Last Updated: Mar 8, 2024

An injury caused by a bee's venom.

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Last Updated: Nov 8, 2023

A rare disorder causing swelling, also called inflammation, in blood vessels.

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Last Updated: Jul 27, 2023

Sudden weakness in the muscles on 1 side of the face.

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Last Updated: Jun 13, 2017

A common reason for a sudden feeling of spinning or of the world spinning.

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Last Updated: Nov 9, 2022

Linked to aging, this condition causes the prostate gland to get bigger and cause trouble with urinating.

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Last Updated: Feb 14, 2024

A condition in which the body doesn't have enough vitamin B-1, also called thiamin.

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Last Updated: Jun 10, 2023

A type of blood condition passed through families.

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Last Updated: Nov 21, 2023

When the aortic valve has two flaps instead of three.

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Last Updated: Aug 29, 2023

Pain that occurs when a gallstone is being passed and is blocking a bile duct, typically comes and goes in a fairly regular pattern.

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Last Updated: May 25, 2018

Frequently consuming unusually large amounts of food in one sitting and feeling that eating behavior is out of control.

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Last Updated: May 24, 2018

A type of bipolar disorder characterized by depressive and hypomanic episodes.

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Last Updated: Jun 13, 2017

A disorder associated with mood swings ranging from depressive lows to manic highs.

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Last Updated: Jun 13, 2017

A condition in children marked by intense mood swings.

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Last Updated: Jun 13, 2017

An infection of the nose, throat and lungs caused by a virus. Bird flu also is called avian flu or avian influenza.

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Last Updated: Oct 17, 2023

An area of skin that differs from the surrounding skin. It's sometimes present when a baby is born or develops soon after.

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Last Updated: Oct 26, 2023

A condition caused by bleeding under the skin around the eye, often resulting from an injury.

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Last Updated: Jun 13, 2017

A temporary condition in which the tongue appears dark and furry.

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Last Updated: Dec 22, 2023

An open pore clogged with oil, which has turned brown when exposed to the air.

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Last Updated: Oct 21, 2023

Temporary loss of vision and consciousness.

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Last Updated: May 26, 2018

Cancer that begins in the bladder.

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Last Updated: Mar 21, 2024

The release of blood from a broken blood vessel, either inside or outside the body.

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Last Updated: Sep 23, 2023

Inflamed, irritated gums that bleed easily.

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Last Updated: May 25, 2018

Swelling and irritation of the eyelid that affects the eyelashes or tear production.

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Last Updated: Mar 6, 2024

Occurs when a gestational sac develops without an embryo.

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Last Updated: Oct 17, 2023

Complete or partial loss of vision.

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Last Updated: Jun 13, 2017

An area of skin covered by a raised, fluid-filled bubble.

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Last Updated: Sep 23, 2023

A buildup of gas in the stomach and intestines.

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Last Updated: Mar 6, 2024

A bump on the skin that's filled with blood.

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Last Updated: Nov 7, 2023

Blood can appear with bowel movements because of hard stools, constipation, hemorrhoids, digestive conditions or colon cancer.

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Last Updated: Feb 29, 2024

Any disease that spreads through contact with human blood.

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Last Updated: Mar 12, 2024

Blue-red marks on a baby's skin that can be caused by blood disorders, a tumor or an infection that spreads to the baby before birth.

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Last Updated: Jan 9, 2024

Decreased clarity or sharpness in vision.

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Last Updated: May 25, 2018

A mental illness involving obsessive focus on a perceived flaw in appearance.

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Last Updated: Jun 13, 2017

A contagious, itchy infestation caused by insects.

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Last Updated: Oct 17, 2023

Odor caused by the mix of sweat and bacteria on the skin.

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Last Updated: Oct 31, 2023

Any condition or disease that affects the bones.

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Last Updated: Jul 20, 2023

A complete or partial break in a bone.

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Last Updated: Jan 19, 2024

When the body doesn't replace bone as fast as it breaks bone down.

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Last Updated: Jul 22, 2023

A condition that occurs when cancer cells spread from their original site to a bone.

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Last Updated: Apr 2, 2024

A bony growth that forms on the edge of a bone.

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Last Updated: Feb 23, 2024

A growth of cells that starts in a bone. Bone tumors may be cancer or not cancer.

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Last Updated: May 11, 2024

A mental disorder marked by emotional instability and severely distorted self-image.

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Last Updated: Jun 13, 2017

The state of feeling disinterested in one's surroundings, having nothing to do, or feeling that life is dull.

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Last Updated: May 25, 2018

A rare condition caused by the toxin that Clostridium botulinum bacteria produce during infection.

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Last Updated: Dec 7, 2023

A brain disorder in adult cattle that may be spread to humans through diseased meat.

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Last Updated: Jun 13, 2017

A slowed heartbeat. The heart beats less than 60 times a minute.

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Last Updated: Apr 16, 2024

The destruction or deterioration of brain cells.

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Last Updated: May 26, 2018

A condition in which there's no measurable activity in the brain and brainstem.

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Last Updated: Jun 13, 2017

An emergency condition in which a ruptured blood vessel causes bleeding in the brain.

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Last Updated: Jun 13, 2017

A cancerous or noncancerous growth of cells in or near the brain.

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Last Updated: Mar 14, 2024

A cancer that forms in the cells of the breasts.

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Last Updated: Feb 10, 2024

A fluid-filled sac in the breast that most often isn't cancer.

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Last Updated: Feb 27, 2024

A growth that forms within the breast tissue.

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Last Updated: Aug 8, 2023

Various types of discomfort in the breast tissue, often due to a condition that is not breast cancer.

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Last Updated: Mar 28, 2024

A break in the bone connecting the breastbone and shoulder. This also is known as a clavicle fracture.

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Last Updated: Jun 2, 2023

A broken bone in the nose. This is also called a nasal fracture.

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Last Updated: Jun 24, 2023

A condition in which the lungs' airways become damaged, making it hard to clear mucus.

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Last Updated: Jun 13, 2017

An inflammatory bronchial reaction in young children and infants.

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Last Updated: Jun 13, 2017

Inflammation of the lining of bronchial tubes, which carry air to and from the lungs.

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Last Updated: Apr 25, 2018

An illness caused by infection with bacteria and spread from animals to people, mostly through raw dairy products.

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Last Updated: Mar 9, 2024

A rare heart rhythm disorder that can cause dangerously fast irregular heartbeats.

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Last Updated: Apr 11, 2024

Blood or bleeding under the skin due to trauma of any kind; typically black and blue at first, with color changes as the bruise heals.

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Last Updated: Sep 23, 2023

Grinding, clenching, or gnashing of the teeth.

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Last Updated: May 24, 2018

A rare but serious infection caused by bacteria found in small animals and their fleas.

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Last Updated: Jan 4, 2024

A serious eating disorder marked by binging, followed by methods to avoid weight gain.

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Last Updated: Jun 13, 2017

A rare skin condition causing large, fluid-filled blisters.

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Last Updated: Oct 24, 2023

A bony bump that forms on the joint at the base of the big toe.

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Last Updated: Nov 9, 2023

A fast-growing cancer of the body's germ- and disease-fighting system, also called the lymphatic system.

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Last Updated: May 30, 2024

Damage to the skin or deeper tissues caused by sun, fire, electricity, or chemicals.

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Last Updated: Jan 5, 2024

The sensation of painful, burning feet.

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Last Updated: Jun 13, 2017

Ongoing or recurrent burning in the mouth with no obvious cause.

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Last Updated: Jun 13, 2017

Painful swelling of the fluid-filled pads, called bursae, that act as cushions at the joints.

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Last Updated: Jun 24, 2023

A bacterial infection of the skin and soft tissue.

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Last Updated: Nov 8, 2023

C

A general state of ill health involving great weight loss and muscle loss.

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Last Updated: Jun 4, 2024

Thickened layers of skin, often on the hands or feet.

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Last Updated: Oct 26, 2023

A fungal infection typically on the skin or mucous membranes caused by candida.

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Last Updated: Feb 16, 2024

A small, shallow sore inside the mouth or at the base of the gums.

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Last Updated: Jun 13, 2017

An illness caused by breathing in too much of this deadly gas.

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Last Updated: Apr 6, 2023

A group of pus-filled bumps forming a connected area of infection under the skin.

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Last Updated: Aug 4, 2023

A slow-growing cancer that can start in different places in the body.

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Last Updated: Mar 7, 2024

A slow-growing cancer that can start in different places in the body.

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Last Updated: Mar 7, 2024

A cancer developing from cells that line the skin or inner organs, called epithelial cells.

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Last Updated: Aug 8, 2023

Sudden, unexpected loss of heart function, breathing, and consciousness.

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Last Updated: Jun 13, 2017

Improper beating of the heart. The heartbeat may be too fast, too slow or chaotic.

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Last Updated: Oct 12, 2023

Compression of the heart caused by fluid collecting in the sac surrounding the heart.

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Last Updated: Aug 29, 2023

A life-threatening condition in which the heart suddenly can't pump enough blood.

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Last Updated: Oct 18, 2023

An enlarged heart, which is a symptom of another condition, not a disease.

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Last Updated: Jan 5, 2024

A disease of the heart muscle that makes it harder for the heart to pump blood to the rest of the body.

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Last Updated: Feb 21, 2024

A numbness and tingling in the hand and arm caused by a pinched nerve in the wrist.

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Last Updated: Jun 13, 2017

An illness also called cat scratch disease that is caused by germs that spread through an infected cat's bites or licks.

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Last Updated: Mar 19, 2024

Clouding of the normally clear lens of the eye.

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Last Updated: Jun 13, 2017

A buildup of mucus in the nose, head and throat.

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Last Updated: May 4, 2023

A group of movement abnormalities associated with mental illness.

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Last Updated: Jun 13, 2017

A serious condition in which the nerves at the end of the spinal cord are compressed.

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Last Updated: Jun 13, 2017

A deformity of the outer ear that may occur after injury to the ear.

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Last Updated: Nov 22, 2023

An immune reaction to eating gluten, a protein found in wheat, barley, and rye.

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Last Updated: Jun 13, 2017

Lumpy, dimpled flesh on thighs, hips, buttocks, and belly.

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Last Updated: Nov 21, 2023

A common and sometimes serious bacterial skin infection.

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Last Updated: Aug 19, 2023

Swelling of the brain.

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Last Updated: Jun 13, 2017

A disorder of movement, muscle tone, or posture.

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Last Updated: Jun 13, 2017

Cancer of the cervix, the lower part of the uterus connected to the vagina.

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Last Updated: Aug 8, 2023

The growth of cells in the cervix that look different from typical cells.

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Last Updated: May 15, 2024

Swelling of the cervix, the lower end of the womb that opens into the vagina.

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Last Updated: Feb 21, 2023

An illness caused by infection with a parasite spread by the triatomine bug.

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Last Updated: Mar 30, 2024

A slow-growing, inflammatory lump in the tear gland of the eyelid.

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Last Updated: Jun 13, 2017

A group of hereditary disorders that damage the nerves in the arms and legs.

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Last Updated: Jun 13, 2017

A sudden, unexpected tightening of one or more muscles, often in the legs. A charley horse is another name for a muscle cramp.

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Last Updated: Jul 29, 2023

Dry, cracked lips.

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Last Updated: Nov 8, 2023

Damage to the skin and deeper tissues caused by chemical contact.

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Last Updated: Jan 5, 2024

A common, noncancerous skin growth.

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Last Updated: Dec 15, 2023

An infection of the lungs or the airways that connect the windpipe to the lungs.

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Last Updated: Jan 4, 2024

Discomfort in the chest including a dull ache, a crushing or burning feeling, a sharp stabbing pain, and pain that radiates to the neck or shoulder.

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Last Updated: Dec 13, 2023

A childhood infection causing an itchy, blister-like rash that can be prevented by a vaccine.

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Last Updated: Jan 4, 2024

A viral infection from a mosquito bite.

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Last Updated: Mar 4, 2023

Skin sores or bumps that happen after exposure to very cold temperatures.

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Last Updated: Jul 26, 2023

A condition in which a child weighs well above the typical weight for age and height.

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Last Updated: Jun 27, 2023

The feeling of being cold, though not necessarily in a cold environment, often accompanied by shivering.

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Last Updated: May 25, 2018

An illness caused by infection with bacteria and spread mainly by contact with genitals or body fluids.

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Last Updated: Mar 9, 2024

When a person can't breathe due to a blocked airway.

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Last Updated: Nov 5, 2022

A cancer in the slender tubes that carry the digestive fluid bile through the liver.

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Last Updated: Feb 16, 2024

A disease of the common bile duct.

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Last Updated: Jun 29, 2024

Inflammation of the gallbladder, a small, digestive organ beneath the liver.

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Last Updated: Jun 13, 2017

An illness caused by infection with bacteria and often spread through contaminated water.

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Last Updated: Mar 13, 2024

Any condition in which the flow of bile from the liver stops or slows.

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Last Updated: Jun 13, 2017

A cyst in the middle ear.

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Last Updated: May 12, 2023

Damage to the cartilage under the kneecap.

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Last Updated: Aug 12, 2023

A type of cancer of the uterus that spreads rapidly.

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Last Updated: Aug 8, 2023

A condition that causes increasing weakness in the legs and arms.

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Last Updated: Jun 13, 2017

A type of cancer of the blood and bone marrow.

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Last Updated: Mar 28, 2024

A slow-growing, rare type of blood cell cancer that begins in bone marrow.

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Last Updated: Mar 28, 2024

A group of lung diseases that block airflow and make it difficult to breathe.

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Last Updated: Jun 13, 2017

Persistent pain that lasts weeks to years.

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Last Updated: Jun 13, 2017

Long-term inflammation of the pancreas.

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Last Updated: Jun 13, 2017

The gradual loss of the kidneys' ability to work.

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Last Updated: Oct 13, 2023

A long-term condition in which leg veins don't properly return blood to the heart.

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Last Updated: Aug 18, 2023

Scarring of the liver caused by a liver disease or condition.

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Last Updated: Feb 8, 2024

Leg or arm pain from a lack of blood flow to the muscles. Usually starts during exercise and ends with rest. Often due to peripheral artery disease.

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Last Updated: Jan 11, 2024

Openings or splits in the roof of the mouth.

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Last Updated: Jun 13, 2017

Inflammation of the colon caused by the bacteria Clostridium difficile.

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Last Updated: Jun 13, 2017

A common birth defect in which the foot is twisted out of shape or position.

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Last Updated: Jun 13, 2017

A rare condition in which headaches occur in patterns or clusters.

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Last Updated: Jun 13, 2017

A condition in which the blood doesn't clot as it should.

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Last Updated: Oct 18, 2023

A narrowing of the body's main artery that's often present at birth.

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Last Updated: Jun 13, 2024

An infection, also called valley fever, caused by coccidioides fungi.

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Last Updated: Dec 19, 2023

Pain in or around the bony structure at the bottom of the spine, called the tailbone or coccyx.

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Last Updated: Jun 24, 2023

Inflammation of the large intestine.

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Last Updated: Jan 4, 2020

A common break of the wrist.

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Last Updated: Jan 25, 2023

A reduced ability to distinguish between certain colors.

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Last Updated: Jun 13, 2017

A cancer of the colon or rectum, which may begin as noncancerous polyps.

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Last Updated: Feb 16, 2024

A period of prolonged unconsciousness brought on by illness or injury.

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Last Updated: Jun 13, 2017

An open or closed skin pore or hair follicle clogged with oil, dead skin cells, and bacteria. An open comedo is called a blackhead. A closed one is a whitehead.

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Last Updated: Oct 21, 2023

An infection of the nose and throat caused by a virus.

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Last Updated: Jan 5, 2024

A common type of pneumonia that occurs outside of health care facilities.

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Last Updated: Jun 13, 2017

A condition caused by too much pressure in the tissue compartments that separate muscle groups.

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Last Updated: Jul 29, 2023

Chronic arm or leg pain developing after injury, surgery, stroke, or heart attack.

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Last Updated: Jun 13, 2017

Thoughts, urges, or behaviors that persist despite negatively affecting health, job, or relationships.

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Last Updated: May 25, 2018

A persistent difficulty discarding or parting with possessions because of a perceived need to save them.

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Last Updated: May 26, 2018

Brain injury caused by a blow to the head or a violent shaking of the head and body.

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Last Updated: Jun 13, 2017

A group of emotional and behavioral conditions in children and teens.

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Last Updated: Jun 13, 2017

Trouble hearing that happens when sound can't fully reach the inner ear.

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Last Updated: Mar 31, 2023

A group of conditions passed from parent to child that limits the making of hormones in the adrenal glands.

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Last Updated: Jan 24, 2024

One or more problems with the structure of the heart that a child is born with.

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Last Updated: May 11, 2024

A condition that occurs in a baby whose mother is infected with the rubella virus.

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Last Updated: Jun 13, 2017

Two babies born physically connected to each other.

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Last Updated: Jun 13, 2017

Inflammation or infection of the outer membrane of the eyeball and the inner eyelid.

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Last Updated: Jun 13, 2017

A group of disorders involving the connective tissue.

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Last Updated: Jun 29, 2023

Infrequent bowel movements, and small, hard-to-pass, stool.

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Last Updated: May 26, 2018

A skin rash caused by contact with a substance.

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Last Updated: Aug 19, 2023

Tightening of uterine muscles during pregnancy, often referring to contractions during childbirth.

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Last Updated: Feb 28, 2024

A condition in which emotional stress is converted to physical symptoms.

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Last Updated: Jun 13, 2017

A loss of consciousness accompanied by violent muscle contractions.

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Last Updated: May 25, 2018

Thick, hardened layers of skin caused by friction and pressure.

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Last Updated: Sep 23, 2023

A scratch or cut on the cornea.

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Last Updated: Jun 13, 2017

A type of heart disease that affects the main heart arteries. It causes reduced blood flow to the heart muscle.

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Last Updated: May 15, 2024

A coronavirus that spreads from person to person and causes illness.

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Last Updated: Mar 29, 2024

A rare disease in which areas of the brain shrink and nerve cells die, affecting movement and thinking.

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Last Updated: Dec 6, 2023

An inflammation of the cartilage that connects a rib to the breastbone.

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Last Updated: Aug 4, 2023

A sudden, forceful hacking sound to release air and clear an irritation in the throat or airway.

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Last Updated: May 25, 2018

Crusting and white or yellow scales on a baby's scalp.

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Last Updated: Sep 9, 2023

A painful, involuntary contraction of a muscle.

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Last Updated: Jul 7, 2023

A birth condition in which 1 or more joints in a baby's skull close too soon.

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Last Updated: Jun 13, 2017

Crackling or grating sound caused by joint surfaces rubbing against each other.

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Last Updated: Sep 9, 2023

A degenerative brain disorder that leads to dementia and death.

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Last Updated: Jun 13, 2017

A chronic inflammatory bowel disease that affects the lining of the digestive tract.

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Last Updated: Jun 13, 2017

An upper airway infection that blocks breathing and has a distinctive barking cough.

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Last Updated: Jun 13, 2017

Shedding tears in response to certain emotions or pain.

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Last Updated: May 26, 2018

A testicle that hasn't moved into the bag of skin below the penis before birth.

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Last Updated: Aug 3, 2023

Cushing syndrome happens when, over time, the body has too much of the hormone cortisol.

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Last Updated: Mar 14, 2023

A skin disease caused by infection with a parasite that is spread through the bite of infected sand flies.

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Last Updated: Mar 29, 2024

Blue or gray color of the skin, nails, lips, tongue or gums

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Last Updated: May 25, 2023

A mood disorder that causes emotional highs and lows.

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Last Updated: Jun 13, 2017

An abnormal, usually noncancerous growth filled with liquid or a semisolid substance, sometimes causing pain.

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Last Updated: May 24, 2018

An inherited life-threatening disorder that damages the lungs and digestive system.

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Last Updated: Jun 13, 2017

A tapeworm infection that forms cysts in the brain, muscle and other tissues.

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Last Updated: Mar 16, 2024

A condition in which the bladder drops from its usual position in the pelvis and pushes on the wall of the vagina.

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Last Updated: Mar 28, 2024

D

An irregular immune system response to milk and milk products.

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Last Updated: Jun 29, 2024

A congenital brain condition affecting the part of the brain controlling movement.

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Last Updated: Jun 13, 2017

A painful condition affecting the tendons on the thumb side of the wrist.

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Last Updated: Jun 27, 2023

Complete or almost-complete loss of hearing.

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Last Updated: Apr 9, 2024


A blood clot in a deep vein, usually in the legs.

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Last Updated: May 23, 2024

Distortion or disfigurement of any part of the body.

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Last Updated: May 26, 2018

Osteoarthritis of the spine, usually in the neck or lower back.

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Last Updated: Jan 23, 2024

A significant loss of body fluid that impairs normal body functions.

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Last Updated: Nov 10, 2023

Serious disturbance in mental abilities that results in confused thinking and reduced awareness of surroundings.

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Last Updated: Jun 13, 2017

Severe alcohol withdrawal symptoms such as shaking, confusion, and hallucinations.

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Last Updated: Jun 13, 2017

A belief or altered reality that is persistently held despite evidence or agreement to the contrary, generally in reference to a mental disorder.

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Last Updated: May 25, 2018

An unexplained skin disorder that produces crawling sensations and skin sores.

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Last Updated: Apr 10, 2024

A group of thinking and social symptoms that interferes with daily functioning.

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Last Updated: Jun 13, 2017

Any condition that damages the sheath that protects the brain and spinal nerves.

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Last Updated: Jun 13, 2017

A disease spread by mosquitoes that occurs in tropical and subtropical areas of the world.

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Last Updated: Oct 17, 2023

A pocket of pus in a tooth caused by an infection.

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Last Updated: Jun 13, 2017

Permanently damaged areas in teeth that develop into tiny holes (cavities).

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Last Updated: Jun 13, 2017

A sticky film that coats teeth and contains bacteria.

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Last Updated: Jun 13, 2017

The persistent feeling of observing oneself from outside one’s body or having a sense that one’s surroundings aren't real.

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Last Updated: May 25, 2018

A persistent feeling of sadness and loss of interest.

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Last Updated: May 25, 2018

Inflammation of the skin with many causes and forms, often causing itching and a rash.

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Last Updated: Aug 18, 2023

A chronic, very itchy skin rash made up of bumps and blisters.

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Last Updated: Jun 13, 2017

A condition in which scratching the skin causes raised, hive-like lines.

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Last Updated: Oct 19, 2023

An inflammatory disease marked by muscle weakness and skin rash.

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Last Updated: Aug 4, 2023

A small, noncancerous lump in the skin, often near the eye, present at birth. This type of lump is also called a cyst.

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Last Updated: Oct 31, 2023

An unintended damage to and loss of the upper layer of skin.

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Last Updated: Oct 27, 2023

A childhood developmental disorder marked by clumsiness in otherwise healthy kids.

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Last Updated: Jun 13, 2017

A disorder caused by a defect in chromosome 22.

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Last Updated: Jun 13, 2017

A disease that causes the body to make large amounts of urine and can lead to extreme thirst.

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Last Updated: Mar 7, 2023

A group of diseases that can cause high blood sugar.

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Last Updated: Mar 7, 2023

A diabetic foot ulcer is an open sore or wound on the foot in people who have diabetes.

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Last Updated: Sep 14, 2023

A serious diabetes complication in which the body makes too much of the blood acids called ketones.

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Last Updated: Mar 15, 2023

A type of nerve damage that can happen with diabetes.

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Last Updated: Mar 1, 2024

A complication of diabetes that affects the eyes.

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Last Updated: Jun 13, 2017

Loose, watery stools that occur more frequently than usual.

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Last Updated: Jun 13, 2017

Loose, watery bowel movements that may occur frequently and with a sense of urgency.

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Last Updated: May 25, 2018

A condition in which the two large muscles in the abdomen pull apart, often during pregnancy.

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Last Updated: Mar 12, 2024

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Last Updated: Aug 22, 2023

Choosing types and amounts of food and drink to lose or gain weight or to keep weight steady.

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Last Updated: May 16, 2023

A fast-growing, common cancer of the body's germ- and disease-fighting system, called the lymphatic system.

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Last Updated: Mar 28, 2024

A type of heart muscle disease that causes the heart chambers to thin and stretch, growing larger.

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Last Updated: Feb 20, 2024

An illness caused by bacteria infecting the nose and throat or the skin that can most often be prevented with a vaccine.

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Last Updated: Mar 14, 2024

Seeing two images of an object, also known as double vision.

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Last Updated: Jun 13, 2017

An injury in which the upper arm bone comes out of the shoulder blade socket.

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Last Updated: Jul 18, 2023

An injury in which the hip joint is moved out of place.

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Last Updated: Oct 18, 2023

Condition that causes blood to clot throughout the body's blood vessels.

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Last Updated: Sep 6, 2023

Disconnection and lack of continuity between thoughts, memories, surroundings, actions, and identity.

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Last Updated: May 25, 2018

A disorder characterized by the presence of 2 or more distinct personality states.

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Last Updated: Jun 13, 2017

A common condition in which one of the long bones near the wrist breaks.

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Last Updated: Jun 24, 2023

An inflammation or infection in 1 or more small pouches in the digestive tract.

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Last Updated: May 7, 2020

A condition in which small, bulging pouches develop in the digestive tract.

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Last Updated: Jun 13, 2017

A sac that develops in the lining of the bowel or bladder.

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Last Updated: May 7, 2020

A range of sensations that can include feeling faint, woozy, weak, unsteady or a sense of spinning.

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Last Updated: Aug 4, 2023

Bites from a pet or wild dog.

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Last Updated: Sep 23, 2023

A genetic chromosome 21 disorder causing developmental and intellectual delays.

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Last Updated: Jun 13, 2017

An infection from a parasite that happens in parts of Africa that don't have safe water.

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Last Updated: Mar 15, 2024

The flow of saliva outside the mouth.

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Last Updated: May 26, 2018

Death caused by suffocation when water or other liquid fills the lungs.

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Last Updated: Jun 13, 2017

Physical and mental symptoms that occur after stopping or reducing intake of a drug.

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Last Updated: Jun 13, 2017

Decreased moisture in the body.

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Last Updated: May 25, 2018

The most common type of muscular dystrophy, which is a genetic condition that becomes worse over time.

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Last Updated: Jan 10, 2024

A type of breast cancer that starts in a milk duct of the breast.

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Last Updated: Apr 2, 2024

A gradual thickening and tightening of tissue under the skin in the hand.

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Last Updated: May 26, 2023

Short height that results from a genetic or medical condition.

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Last Updated: Jun 13, 2017

Weakness in the muscles used for speech, which often causes slowed or slurred speech.

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Last Updated: Jun 13, 2017

A dysfunction of the nerves that regulate nonvoluntary body functions, such as heart rate, blood pressure, and sweating.

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Last Updated: May 24, 2018

An infection of the intestines that causes bloody diarrhea.

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Last Updated: Mar 19, 2024

An altered or impaired sense of taste.

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Last Updated: May 25, 2018

A condition in which tiny, fluid-filled blisters appear on the palms and fingers.

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Last Updated: Oct 21, 2023

A condition in which tiny, fluid-filled blisters appear on the palms and fingers.

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Last Updated: Oct 24, 2023

Uncontrolled, involuntary muscle movement.

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Last Updated: May 25, 2018

A learning disorder characterized by difficulty reading.

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Last Updated: Jun 13, 2017

An imbalance of lipids and lipoproteins in the blood.

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Last Updated: Jan 20, 2024

The medical name for menstrual cramps, which are throbbing or cramping pains in the lower stomach area.

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Last Updated: Feb 14, 2024

Genital pain that happens just before, during or after sex.

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Last Updated: Feb 25, 2023

Difficulty swallowing foods or liquids, arising from the throat or esophagus, ranging from mild difficulty to complete and painful blockage.

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Last Updated: May 26, 2018

Difficulty speaking or using words properly.

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Last Updated: May 25, 2018

A change in how the voice sounds. Dysphonia affects the ability to talk or sing.

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Last Updated: Dec 28, 2022

A state of feeling uneasy, unhappy, or unwell.

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Last Updated: May 25, 2018

Shortness of breath.

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Last Updated: May 25, 2018

A mild but long-term form of depression.

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Last Updated: Jun 13, 2017

Involuntary muscle contractions that cause repetitive or twisting movements.

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Last Updated: Jun 13, 2017

The medical term for pain while passing urine, which can have many treatable causes.

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Last Updated: May 20, 2023

E

Pain in the inner or outer ear that might decrease hearing, often caused by fluid buildup and infection.

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Last Updated: May 12, 2023

An infection caused by Ebola virus strains.

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Last Updated: Jan 10, 2024

A large, blue or purple bruise under the skin that changes color over time before fading.

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Last Updated: Sep 23, 2023

Seizures and coma that happen during pregnancy or soon after childbirth.

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Last Updated: Mar 1, 2024

A pregnancy in which the fertilized egg implants outside the uterus.

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Last Updated: Feb 25, 2023

Extra fluid trapped in soft tissue, often in the legs and feet.

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Last Updated: Dec 13, 2023

A condition that causes severe developmental delays due to an extra chromosome 18.

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Last Updated: Jun 13, 2017

A common allergy in which the body reacts to the consumption of eggs.

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Last Updated: Jun 13, 2017

A group of illnesses passed from parent to child that mostly affect the skin, joints and blood vessels.

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Last Updated: May 3, 2024

Physical discomfort in the elbow joint, or in the muscles, tendons and ligaments supporting it.

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Last Updated: May 24, 2023

Injury to the body from direct contact with a high-voltage source.

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Last Updated: Jul 14, 2020

Hardening and thickening of the skin caused by a disease that is spread through the bites of infected mosquitoes.

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Last Updated: Mar 6, 2024

The state of being excessively thin and wasting of the body.

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Last Updated: Mar 21, 2024

A blockage of blood supply to part of the brain caused by a clot or debris (embolus).

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Last Updated: Jun 13, 2017

A sudden blocking of an artery.

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Last Updated: Jun 13, 2017

Inflammation of the brain, often due to infection.

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Last Updated: Apr 25, 2018

A broad term for any brain disease that alters brain function or structure.

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Last Updated: Jun 13, 2017

A condition in which a child resists having bowel movements, causing impacted stool to collect in the colon and rectum and lead to leakage.

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Last Updated: May 25, 2018

An infection of the heart's inner lining, usually involving the heart valves.

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Last Updated: Jun 13, 2017

A type of cancer that begins in the lining of the womb. The womb also is called the uterus.

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Last Updated: Feb 16, 2024

A growth on the inner wall of the uterus that's most often not cancer.

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Last Updated: Feb 27, 2024

A disorder in which tissue similar to the tissue that lines the uterus grows outside the uterus in places where it doesn't belong.

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Last Updated: Aug 31, 2022

Loss of bladder control.

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Last Updated: Feb 29, 2024

A higher than usual level of disease-fighting white blood cells called eosinophils.

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Last Updated: Sep 8, 2023

Inflammation or injury to the tube connecting the mouth to the stomach.

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Last Updated: Jun 13, 2017

Clusters of pigment cells in the skin, also known as freckles.

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Last Updated: Dec 15, 2023

A small, noncancerous small lump in the skin. This type of lump is also called a cyst.

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Last Updated: Mar 27, 2024

A group of conditions in which injury, heat, or friction makes the skin blister.

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Last Updated: Oct 27, 2023

Swelling of the tube at the back of a testicle that stores and carries sperm.

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Last Updated: Dec 12, 2023

An accumulation of blood between the skull and brain.

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Last Updated: Jun 13, 2017

A dangerous condition that happens when the small flap that covers the windpipe swells and blocks airflow into the lungs.

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Last Updated: Feb 21, 2023

A disorder in which nerve cell activity in the brain is disturbed, causing seizures.

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Last Updated: Jun 13, 2017

Not being able get or keep an erection firm enough for sexual intercourse.

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Last Updated: Mar 1, 2024

Excess gas in the stomach or upper intestine released from the mouth, also known as burping or belching.

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Last Updated: May 26, 2018

A skin infection that occurs mainly on the face and legs.

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Last Updated: Apr 6, 2024

Inflamed skin, either in a small spot or all over.

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Last Updated: Oct 19, 2023

A skin condition mostly due to an infection.

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Last Updated: Nov 7, 2023

A painful disorder with lumps under the skin.

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Last Updated: Nov 9, 2023

Fear of the color red, often accompanied by fear of blood or blushing.

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Last Updated: May 24, 2018

Dead tissue that over time sloughs off healthy skin after an injury.

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Last Updated: Oct 25, 2023

Cancer of the tube that runs from the throat to the stomach, called the esophagus.

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Last Updated: Mar 16, 2024

Irregular veins in the lower part of the tube running from the throat to the stomach, called the esophagus.

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Last Updated: Feb 20, 2024

Inflammation that damages the tube running from the throat to the stomach (esophagus).

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Last Updated: Jun 13, 2017

A nervous system disorder that causes rhythmic shaking.

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Last Updated: Jun 13, 2017

An extreme, unrealistic feeling of physical and emotional well-being, feeling "high."

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Last Updated: May 24, 2018

A cancer that most often occurs in and around the bones.

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Last Updated: Dec 29, 2023

A widely spread out rash.

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Last Updated: May 14, 2024

Bulging of the eyes, which causes the eyes to move out of the sockets in one or both eyes.

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Last Updated: May 25, 2018

Fluid that leaks from wounds as part of the healing process.

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Last Updated: Sep 27, 2023

Physical discomfort in the eye's surface or deep within the eye, ranging from a slight irritation to severe pain.

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Last Updated: May 25, 2018

Involuntary spasms of the eyelid muscles.

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Last Updated: May 25, 2018

F

An inherited blood-clotting disorder due to a change in of the blood's factor V protein.

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Last Updated: Jul 19, 2023

A condition in which a woman who isn't pregnant believes that she is.

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Last Updated: Jun 13, 2017

A vision condition in which objects far away are seen more clearly than objects close up.

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Last Updated: Jun 13, 2017

Involuntary twitching of voluntary muscles.

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Last Updated: May 26, 2018

A feeling of extreme tiredness that involves a lack of energy and little ability to do everyday things.

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Last Updated: Mar 28, 2024

An increased buildup of fat in the liver.

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Last Updated: Jun 13, 2017

An unpleasant feeling triggered by the perception of danger, real or imagined.

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Last Updated: May 26, 2018

Convulsion in a child that may be caused by a spike in body temperature (fever).

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Last Updated: Jun 13, 2017

Hardened stool that's stuck in the rectum or lower colon due to chronic constipation.

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Last Updated: Jun 13, 2017

Physical and mental damage in a child due to alcohol exposure while in the womb.

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Last Updated: Jun 13, 2017

A short-term rise in body temperature that's often caused by an infection.

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Last Updated: Aug 3, 2023

A prolonged fever without an established cause despite testing.

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Last Updated: Jun 13, 2017

A solid breast lump that isn't cancer that can be found in anyone who has periods.

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Last Updated: Feb 27, 2024

An older term for fibrocystic breasts, which are composed of tissue that feels lumpy or ropelike.

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Last Updated: May 14, 2024

A noncancerous tumor made up of fibrous or connective tissue.

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Last Updated: Jun 13, 2017

Widespread pain along with symptoms such as fatigue.

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Last Updated: Nov 9, 2023

The formation of fibrous tissue.

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Last Updated: Jun 13, 2017

A formation of fibrous tissues.

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Last Updated: May 24, 2018

A rash illness that is caused by a virus.

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Last Updated: Mar 16, 2024

Illness caused by infection with a parasite called a filarial worm.

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Last Updated: Mar 19, 2024

A pregnancy in the first three months.

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Last Updated: Mar 19, 2022

A dry, sore, irritated, or cracked nipple.

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Last Updated: Nov 15, 2023

When a connection forms between organs.

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Last Updated: Mar 28, 2024

Loose and floppy limbs.

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Last Updated: Jun 13, 2017

A condition in which the entire sole of the foot touches the floor when standing.

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Last Updated: Jun 13, 2023

Intestinal gas that's passed from the anus.

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Last Updated: Mar 9, 2024

Spots in vision that look like black or gray specks or strings that drift across the eyes.

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Last Updated: Jun 13, 2017

Reddening of the skin.

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Last Updated: Oct 17, 2023

A slow-growing type of non-Hodgkin lymphoma.

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Last Updated: Apr 3, 2024

Infection of 1 or more of the pockets from which hair grows. These pockets are called follicles.

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Last Updated: Oct 27, 2023

An unpleasant or dangerous immune system reaction after a certain food is eaten.

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Last Updated: Jun 13, 2017

An intense desire for certain foods or flavors.

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Last Updated: Dec 12, 2023

Digestive problems that happen after a certain food is eaten.

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Last Updated: Jun 29, 2024

A sickness that people get from something they ate or drank.

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Last Updated: Jan 9, 2024

Parasitic worm infections that cause serious liver and lung disease.

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Last Updated: Mar 16, 2024

A general term for difficulty lifting the front part of the foot, sometimes called drop foot.

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Last Updated: May 11, 2023

Physical discomfort in the foot.

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Last Updated: May 12, 2023

A genetic condition causing intellectual disability.

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Last Updated: Jun 13, 2017

The need to pass urine many times during the day, the night or both.

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Last Updated: Mar 28, 2024

Sweating and flushing of a patch of skin near one ear caused by eating.

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Last Updated: Feb 28, 2023

Frostbite definition

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Last Updated: Mar 26, 2024

A painful, pus-filled bump under the skin caused by infected, inflamed hair follicles.

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Last Updated: Aug 4, 2023

G

A condition causing red blood cells to break down during stress or infection.

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Last Updated: Oct 20, 2023

A condition in which the body can't use a simple sugar to produce energy.

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Last Updated: Jul 22, 2023

Conditions affecting the gallbladder, a small organ that helps digestion.

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Last Updated: Jul 2, 2024

A hardened deposit of fluid in the gallbladder, a small organ under the liver.

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Last Updated: Jun 13, 2017

A noncancerous lump, often on the tendons or joints of the wrists and hands.

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Last Updated: May 12, 2023

Dead tissue caused by an infection or lack of blood flow.

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Last Updated: Jun 13, 2017

Symptoms that occur when undigested stomach contents move into the small bowel.

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Last Updated: Jun 13, 2017

Any of a group of conditions in which the stomach lining is inflamed.

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Last Updated: Jun 13, 2017

An illness of the stomach and the intestines.

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Last Updated: Jan 4, 2024

Digestive disease in which stomach acid or bile irritates the food pipe lining.

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Last Updated: Jun 13, 2017

A condition in which a hole develops in a digestive organ or tract.

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Last Updated: Jun 13, 2017

A digestive tract cancer that most often occurs in the stomach or small intestine.

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Last Updated: Mar 16, 2024

A condition that affects the stomach muscles and prevents proper stomach emptying.

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Last Updated: Jun 13, 2017

A condition in which part of a newborn's intestines sticks out of the belly at birth.

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Last Updated: Jun 13, 2017

An inherited condition in which an enzyme that breaks down fat doesn't work properly.

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Last Updated: Aug 3, 2023

Severe, ongoing anxiety that interferes with daily activities.

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Last Updated: Jun 13, 2017

A common sexually transmitted infection that often spreads by skin-to-skin contact during sexual activity.

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Last Updated: Jan 3, 2024

A small bump caused by a virus and spread through contact with genitals or body fluids.

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Last Updated: Mar 12, 2024

A condition in which the knees bow apart even when standing with feet and ankles together, also known as bowlegs.

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Last Updated: Jan 23, 2024

A condition that causes harmless tongue patches resembling smooth, red islands.

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Last Updated: Jun 13, 2017

A condition that causes high blood sugar during pregnancy.

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Last Updated: Nov 18, 2023

An infection of the intestines that is caused by a parasite.

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Last Updated: Oct 17, 2023

A rare condition that causes irregular growth and other symptoms in children.

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Last Updated: Apr 27, 2023

A mild condition in which the liver doesn't properly process bilirubin.

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Last Updated: Jun 13, 2017

A form of gum disease that causes inflamed gums.

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Last Updated: Jun 13, 2017

A group of eye conditions that can cause blindness.

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Last Updated: Jun 13, 2017

A type of cancer that starts in the brain or spine.

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Last Updated: Jun 14, 2024

A growth of cells that starts in the brain or spinal cord.

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Last Updated: Mar 13, 2024

The feeling of having a lump or ball in the throat.

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Last Updated: Apr 3, 2024

Inflammation of the tiny filters in the kidneys that remove waste from blood.

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Last Updated: Feb 24, 2024

A condition in which the tongue swells, changes color, and looks smooth.

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Last Updated: Jun 13, 2017

Ongoing or recurrent burning in the mouth with no obvious cause.

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Last Updated: Jun 13, 2017

Sensitivity to gluten, a protein found in wheat, barley, and rye.

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Last Updated: Jun 13, 2017

A goiter is the irregular growth of the thyroid gland.

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Last Updated: Mar 14, 2023

A condition that causes pain on the inner side of the elbow.

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Last Updated: May 26, 2023

An illness caused by infection with bacteria and spread mainly by contact with genitals or body fluids.

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Last Updated: Mar 9, 2024

A form of arthritis that causes severe pain, swelling, redness and tenderness in joints.

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Last Updated: May 26, 2023

A condition that happens when donor immune cells attack the new host.

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Last Updated: Feb 16, 2024

A seizure that involves a loss of consciousness and violent muscle contractions.

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Last Updated: Jun 13, 2017

A small area of inflammation in tissue.

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Last Updated: Dec 6, 2019

Inflamed or skin-colored bumps in a ring pattern. They often arise on the hands and feet.

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Last Updated: Oct 28, 2023

A condition that causes inflammation of the blood vessels.

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Last Updated: Aug 18, 2023

A disorder of the immune system that causes the thyroid gland to make too much thyroid hormone.

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Last Updated: Mar 14, 2023

Sickness caused by certain species of streptococci bacteria, also called group A strep.

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Last Updated: Mar 13, 2024

A term used for sickness caused by certain species of streptococci bacteria, also called group B strep.

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Last Updated: Mar 30, 2024

Soreness in a child's legs that often occurs at night.

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Last Updated: Oct 14, 2023

A condition in which the immune system attacks the nerves.

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Last Updated: Jun 13, 2017

Feeling responsible or regretful for a perceived offense, real or imaginary.

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Last Updated: May 24, 2018

A skin condition of tiny, drop-shaped sores on trunk, arms, or legs.

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Last Updated: Feb 7, 2024

A larger amount of breast gland tissue than usual in men.

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Last Updated: May 11, 2023

H

A serious complication of high blood pressure during pregnancy.

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Last Updated: Mar 1, 2024

HIV infection is a long-term condition caused by a virus that also can cause a life-threatening disease called AIDS.

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Last Updated: Mar 6, 2024

Progressive loss of hair from the scalp beyond usual hair loss of less than 100 hair strands a day.

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Last Updated: Jan 19, 2024

A persistent, unpleasant odor in exhaled breath, usually not serious, commonly called bad breath.

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Last Updated: May 25, 2018

A perception of having seen, heard, touched, tasted, or smelled something that wasn't actually there.

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Last Updated: May 25, 2018

A noncancerous tumorlike growth.

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Last Updated: Jun 13, 2017

A foot condition in which the toe has an abnormal bend in the middle joint.

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Last Updated: May 11, 2023

A common children's virus that causes sores in the mouth and a rash on the hands and feet.

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Last Updated: Jun 14, 2024

Unpleasant symptoms that occur after excessive alcohol intake.

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Last Updated: Jun 13, 2017

A group of virus strains that spread through contact with rodents that cause serious bleeding or respiratory illness.

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Last Updated: Mar 19, 2024

A condition in which a newborn has hard, thick skin in diamond patterns.

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Last Updated: Nov 9, 2023

A disorder that happens when the immune system attacks the thyroid gland.

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Last Updated: Mar 15, 2023

A group of cancers of the mouth, sinuses, nose, or throat.

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Last Updated: Nov 16, 2023

The presence of lice in the hair on the head.

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Last Updated: Mar 14, 2024

A painful sensation in any part of the head, ranging from sharp to dull, that may occur with other symptoms.

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Last Updated: May 25, 2018

Trouble hearing in one or both ears that can get worse over time.

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Last Updated: May 27, 2023

A chronic condition in which the heart doesn't pump blood as well as it should.

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Last Updated: Jun 13, 2017

Sound of blood flowing through the heart, due to anything from healthy heart exertion during exercise to a diseased heart valve or other abnormality.

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Last Updated: May 26, 2018

A condition in which one or more heart valves do not work properly.

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Last Updated: Nov 22, 2023

Burning pain or discomfort in the upper chest and midchest, possibly involving the neck and throat, that may worsen when lying down.

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Last Updated: May 26, 2018

Soreness on the back or the underside of the heel that may make walking uncomfortable or difficult.

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Last Updated: May 12, 2023

A bony growth that forms around the heel bone, rarely causing pain.

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Last Updated: Nov 28, 2023

A birthmark often appearing as a rubbery, bright red nodule of extra blood vessels.

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Last Updated: Nov 2, 2023

Vomiting blood.

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Last Updated: Feb 16, 2024

Bright red blood in the stool or with bowel movements.

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Last Updated: Aug 5, 2023

A collection of blood in an organ or tissue, usually from a ruptured blood vessel.

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Last Updated: Jan 8, 2020

Blood in semen.

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Last Updated: Feb 29, 2024

Blood in the urine can be harmless. Or it can be a symptom of a serious illness.

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Last Updated: Dec 22, 2023

Muscle weakness or partial paralysis on one side of the body that can affect the arms, legs, and facial muscles.

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Last Updated: Jun 13, 2017

The breakdown of red blood cells sooner than is typical.

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Last Updated: Nov 17, 2023

A condition in which red blood cells are destroyed faster than the body makes them.

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Last Updated: Jan 23, 2024

A condition in which a newborn's blood is damaged by antibodies from the mother.

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Last Updated: Mar 7, 2024

A condition in which a buildup of white blood cells harms the liver and spleen.

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Last Updated: Feb 29, 2024

A condition in which blood doesn't clot in the typical way.

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Last Updated: Aug 29, 2023

Coughing up blood, in small amounts mixed with sputum brought up by a forceful cough or large amounts of bright red blood, which is more serious.

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Last Updated: May 25, 2018

Internal or external bleeding that may occur anywhere, and depending on the location, may range from a bruise to a life-threatening brain bleed.

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Last Updated: May 24, 2018

Any of a group of infectious diseases that affect many of the body's organs and may lower the blood's ability to clot.

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Last Updated: May 25, 2024

Swollen and inflamed veins in the rectum and anus that cause discomfort and bleeding.

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Last Updated: Jun 13, 2017

A disorder causing inflammation and bleeding in the small blood vessels.

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Last Updated: Sep 16, 2023

The loss of brain function when a damaged liver doesn't remove toxins from the blood.

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Last Updated: Jun 13, 2017

An inflammation of the liver.

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Last Updated: Jun 13, 2017

A highly contagious liver infection caused by the hepatitis A virus.

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Last Updated: Jun 13, 2017

A serious liver infection caused by the hepatitis B virus.

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Last Updated: Jun 13, 2017

An infection caused by a virus that attacks the liver and leads to inflammation.

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Last Updated: Jun 13, 2017

The most common form of liver cancer.

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Last Updated: Mar 19, 2024

An enlarged liver.

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Last Updated: May 26, 2018

The bulging of an organ or tissue through an irregular opening, typically in the belly.

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Last Updated: Jun 29, 2024

A common childhood illness that causes painful sores in the mouth and throat.

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Last Updated: Jan 3, 2024

Infection with the herpes simplex virus around the border of the lips.

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Last Updated: Jan 5, 2024

A virus that spreads from person to person, most often causing sores around the mouth or genitals.

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Last Updated: Jan 10, 2024

A viral infection that causes a painful rash, also called shingles.

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Last Updated: Jul 25, 2023

A condition in which the colored part of the eye (iris) is multicolored.

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Last Updated: Jun 13, 2017

A condition in which part of the stomach pushes up through the diaphragm muscle.

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Last Updated: Apr 25, 2018

Involuntary spasms of the diaphragm, usually short-lived and not a sign of something serious.

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Last Updated: Mar 2, 2023

A chronic skin condition featuring lumps in places such as the armpits or groin.

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Last Updated: Nov 2, 2023

An injury that causes the hipbone to move out of place.

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Last Updated: Jun 20, 2023

A break in the upper quarter of the thighbone, near the hip joint.

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Last Updated: Aug 4, 2023

Pain on the inside or outside the hip, which can be caused by arthritis, injuries or other health problems.

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Last Updated: Sep 1, 2023

Swelling of the tissues, called tendons, that connect muscle to the bone in the hip joint.

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Last Updated: Aug 12, 2023

A condition of the large intestine (colon) that causes difficulty passing stool.

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Last Updated: Jun 13, 2017

Unwanted male-pattern hair growth on a woman's face, chest, and back.

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Last Updated: Nov 22, 2023

A chronic mental condition that affects thinking, perceiving, and relating to others.

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Last Updated: Jun 13, 2017

Welts on the skin triggered by a response to food, medicine, or other irritants.

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Last Updated: Oct 27, 2023

A cancer that affects the body's germ- and disease-fighting system, also called the lymphatic system.

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Last Updated: Apr 3, 2024

Symptoms of a disrupted nerve pathway from the brain to the face and eye on one side.

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Last Updated: Jun 13, 2017

Feelings of opposition, unkindness, or unfriendliness toward something or someone.

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Last Updated: May 24, 2018

Sudden feeling of heat, mostly over the face, neck and chest, as well as heavy sweating, most often due to menopause.

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Last Updated: Feb 14, 2024

An infection caused by a virus that leads to the growth of warts and also may lead to cancer, depending on the strain.

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Last Updated: Jan 5, 2024

A break in the upper arm bone, known as the humerus.

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Last Updated: Jan 28, 2023

The sense of an empty stomach that may prompt increased appetite or craving for food.

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Last Updated: Dec 15, 2023

An inherited condition in which nerve cells in the brain break down over time.

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Last Updated: Apr 25, 2018

A disease, also known as cystic echinococcosis, caused by tapeworm parasites that pass from animals to people.

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Last Updated: Mar 6, 2024

A fluid-filled sac around a testicle, often first noticed as swelling of the scrotum.

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Last Updated: Dec 12, 2023

A buildup of fluid in the cavities deep within the brain.

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Last Updated: Aug 9, 2023

Swelling in one or both kidneys due to a backup of urine.

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Last Updated: Feb 27, 2024

A serious condition in which extra fluid builds up inside a fetus or newborn.

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Last Updated: Nov 22, 2023

A condition in which the level of calcium in the blood becomes too high.

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Last Updated: Mar 8, 2024

High amounts of the waxy substance found in fats in the blood, known as cholesterol.

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Last Updated: Aug 10, 2023

Extra teeth in the mouth.

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Last Updated: Jun 13, 2017

A severe type of nausea during pregnancy.

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Last Updated: Feb 27, 2024

A higher-than-usual amount of blood in a body part or an organ, which can be due to an increase in blood flow into the area or a blockage out of the area.

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Last Updated: Oct 25, 2023

High blood sugar levels.

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Last Updated: May 18, 2023

Heavy sweating that's not always related to heat or exercise.

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Last Updated: Oct 25, 2023

A high level of the electrolyte potassium in the blood. Potassium is a chemical that is important to the function of nerve and muscle cells, including those in the heart.

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Last Updated: Jun 22, 2023

A condition in which there are high levels of fat-like substances, called lipids, in the blood.

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Last Updated: Jul 29, 2023

When one or more joints can move through a wider range of motion than is usual.

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Last Updated: Sep 7, 2023

A level of sodium in the blood that is higher than usual.

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Last Updated: Nov 29, 2023

A condition in which one or more of the parathyroid glands in the neck make too much hormone

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Last Updated: May 11, 2023

Patches or spots on the skin that are darker than surrounding skin.

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Last Updated: Oct 27, 2023

An abnormal increase in normal cell production.

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Last Updated: Jun 13, 2017

An obsession with sexual thoughts, urges, or behaviors that may cause distress or that negatively affects health, job, or relationships.

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Last Updated: May 25, 2018

Excessive sleepiness or drowsiness.

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Last Updated: May 25, 2018

A condition in which the force of the blood against the artery walls is too high.

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Last Updated: Jun 13, 2017

A severe increase in blood pressure that can lead to a stroke.

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Last Updated: Jun 13, 2017

A dangerously overheated body, usually in response to prolonged, hot, humid weather.

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Last Updated: Jan 4, 2020

A condition in which the thyroid gland makes too many hormones.

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Last Updated: Apr 27, 2023

A high level of a certain type of fat, known as triglycerides, in the blood.

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Last Updated: Aug 3, 2023

A disease in which the heart muscle becomes thickened, also called hypertrophied.

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Last Updated: Feb 23, 2024

The enlargement of an organ.

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Last Updated: May 25, 2018

A high level of uric acid in the blood. This can be linked to gout or kidney stones.

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Last Updated: Jun 17, 2023

Rapid or deep breathing.

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Last Updated: May 26, 2018

A condition in which too much fluid builds up in the body.

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Last Updated: Jun 21, 2024

A condition in which the blood has too little calcium.

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Last Updated: Jan 23, 2024

Obsession with the idea of having a serious but undiagnosed medical condition.

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Last Updated: Jun 13, 2017

A decreased sense of touch or sensation, also called numbness.

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Last Updated: May 25, 2018

A condition in which the body's blood sugar level goes below the standard range.

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Last Updated: Nov 18, 2023

A condition in which the testes or ovaries don't work properly.

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Last Updated: May 14, 2024

A low level of the electrolyte potassium in the blood. Potassium is important to the proper functioning of nerve and muscles cells, particularly heart muscle cells.

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Last Updated: Jun 24, 2023

Slowed or reduced muscle movement.

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Last Updated: May 25, 2018

A condition that occurs when the level of sodium in the blood is too low.

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Last Updated: Aug 3, 2023

A condition in which the left side of the heart is underdeveloped at birth.

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Last Updated: Jun 13, 2017

A condition in which the opening that drains urine is on the underside of the penis.

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Last Updated: Jun 13, 2017

Low blood pressure.

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Last Updated: Apr 30, 2024

When the body loses heat faster than it can produce heat, causing a dangerously low body temperature.

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Last Updated: Jun 13, 2017

A condition in which the thyroid gland doesn't make enough thyroid hormones.

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Last Updated: Apr 27, 2023

Weak muscle tone.

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Last Updated: May 26, 2018

A condition in which the body is too low on vitamin D, a nutrient that is important for bones, nerves, muscles and the immune system.

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Last Updated: Jan 9, 2024

A condition in which the liquid portion of the blood, called plasma, is too low.

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Last Updated: Nov 29, 2023

A low level of oxygen in the blood.

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Last Updated: Jul 22, 2023

An absence of enough oxygen in the blood to sustain bodily functions.

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Last Updated: May 24, 2018

I

The creation of additional problems or complications resulting from medical treatment.

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Last Updated: Jan 4, 2020

Low levels of the blood cells that prevent bleeding, called platelets.

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Last Updated: Jul 22, 2023

Inability of the intestine (bowel) to contract normally and move waste out of the body.

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Last Updated: Jun 13, 2017

A painful knee condition often caused by running long distances.

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Last Updated: Sep 6, 2023

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Last Updated: Mar 28, 2024

A highly contagious skin infection that causes red sores on the face.

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Last Updated: Aug 18, 2023

Shoulder pain caused by connective tissue rubbing on a shoulder bone.

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Last Updated: Mar 5, 2024

A problem with emotional or behavioral self-control.

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Last Updated: May 25, 2018

A group of conditions in which the body can't properly convert food into energy.

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Last Updated: Jun 13, 2017

Upper abdominal discomfort, described as burning sensation, bloating or gassiness, nausea, or feeling full too quickly after starting to eat.

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Last Updated: May 26, 2018

A yellow color to the skin in newborns caused by high bilirubin levels, a condition that must be closely watched.

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Last Updated: Feb 7, 2024

Tissue death from reduced blood supply.

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Last Updated: Mar 28, 2024

A disease caused by a virus that spreads through saliva.

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Last Updated: Oct 18, 2023

Not getting pregnant despite having frequent unprotected sex for one year.

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Last Updated: Oct 13, 2023

An immune response that causes redness and swelling on or within the body.

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Last Updated: Mar 5, 2024

Ongoing inflammation of all or part of the digestive tract.

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Last Updated: Jun 13, 2017

A form of breast cancer that develops quickly, causing breast swelling and skin changes.

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Last Updated: Mar 12, 2024

A common, sometimes deadly viral infection of the nose, throat and lungs, also called flu.

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Last Updated: Jun 14, 2024

A shaved or tweezed hair that grows back into the skin, causing swelling.

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Last Updated: Nov 7, 2023

A condition in which soft tissue bulges through a weak point in the abdominal muscles.

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Last Updated: Jun 13, 2017

The bite of an insect, such as a bee or mosquito, which usually causes mild symptoms.

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Last Updated: Jan 19, 2024

Persistent problems falling or staying asleep or both.

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Last Updated: Jun 13, 2017

A resistance to the hormone insulin, resulting in increasing blood sugar.

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Last Updated: Feb 6, 2020

Below average intelligence and set of life skills present before age 18.

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Last Updated: Jun 13, 2017

Menstrual bleeding that happens between periods and can be monthly or random.

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Last Updated: Feb 16, 2024

Bleeding inside the body, particularly in the chest or belly cavities, or into muscles.

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Last Updated: Mar 28, 2024

Bladder pain and having to urinate often are common with this condition.

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Last Updated: Oct 17, 2023

A group of disorders that cause progressive scarring of lung tissue.

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Last Updated: Jun 13, 2017

Inflamed skin, usually in warm, moist areas, such as the groin or between skin folds.

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Last Updated: Sep 8, 2023

A weakness in a blood vessel in the brain that balloons and fills with blood.

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Last Updated: Aug 10, 2023

A condition in which a baby does not grow as expected during pregnancy.

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Last Updated: Feb 28, 2024

A condition in which part of the intestine slides into an adjacent part of the intestine.

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Last Updated: Jun 13, 2017

A nipple that's turned inward.

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Last Updated: Feb 28, 2024

A lack of iodine in the diet.

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Last Updated: Nov 4, 2023

A condition of too little iron in the body.

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Last Updated: Nov 29, 2023

Too few healthy red blood cells due to too little iron in the body.

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Last Updated: Nov 29, 2023

Too much iron in the body.

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Last Updated: Jul 22, 2023

Missed, delayed, or inconsistent periods or menstrual bleeding patterns that are out of the ordinary.

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Last Updated: Apr 27, 2023

Feelings of frustration or anger, often over seemingly small matters.

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Last Updated: May 25, 2018

An intestinal disorder causing pain in the belly, gas, diarrhea, and constipation.

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Last Updated: Jun 13, 2017

A patchwork of inflamed skin on a baby's bottom that's known as diaper rash.

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Last Updated: Sep 6, 2023

Reduced blood flow.

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Last Updated: Jan 3, 2024

Intense itching, inflammation, burning or soreness in or around the anus.

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Last Updated: Oct 26, 2023

J

An illness caused by a virus that is spread through the bites of infected mosquitos.

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Last Updated: Mar 6, 2024

Yellow skin caused by the buildup of bilirubin in the blood.

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Last Updated: Jun 13, 2017

A yellow tint to the skin or eyes caused by an excess of bilirubin, a substance created when red blood cells break down.

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Last Updated: Jun 13, 2017

Physical discomfort in the jaw.

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Last Updated: May 25, 2018

A sleep disorder that can affect those who travel quickly across multiple time zones.

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Last Updated: Jun 13, 2017

An injury where bone joints are forced out of their usual position.

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Last Updated: Nov 18, 2023

Physical discomfort where two or more bones meet to form a joint. Pain can range from mild to disabling.

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Last Updated: Jul 25, 2023

A form of arthritis that affects children.

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Last Updated: Aug 12, 2023

K

A cancer that causes lesions in the soft tissues.

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Last Updated: Feb 16, 2024

A condition that causes swelling in the walls of some blood vessels in the body.

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Last Updated: Nov 8, 2023

A raised scar after an injury has healed.

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Last Updated: May 14, 2024

Inflammation of the clear tissue on the front of the eye (cornea).

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Last Updated: Jun 13, 2017

Dry eye that occurs when tears aren't able to provide adequate moisture.

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Last Updated: Jun 13, 2017

A condition in which the clear tissue on the front of the eye (cornea) bulges outward.

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Last Updated: Jun 13, 2017

A condition that causes rough patches and small, tiny bumps on the skin.

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Last Updated: Oct 27, 2023

Life-threatening disturbance of metabolism most often seen in uncontrolled diabetes.

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Last Updated: Nov 30, 2023

Pain that starts in the pair of organs located in the back below the ribs.

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Last Updated: Aug 8, 2023

A small, hard deposit that forms in the kidney and is often painful when passed.

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Last Updated: Feb 27, 2024

An impulse control disorder that results in an irresistible urge to steal.

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Last Updated: Jun 13, 2017

A genetic condition in which a boy is born with an extra copy of the X chromosome.

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Last Updated: Jun 13, 2017

Pain in or around the knee that can be due to an injury or a medical condition.

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Last Updated: Aug 18, 2023

Malnutrition caused by a serious lack of protein in the diet.

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Last Updated: Dec 1, 2023

An excessive forward rounding of the upper back.

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Last Updated: Jun 22, 2024

L

Swelling of the inner ear that can cause problems with hearing and balance.

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Last Updated: Feb 28, 2023

A condition in which lactic acid builds up in the blood faster than it can be removed.

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Last Updated: Sep 27, 2023

Not being able to fully digest sugar, called lactose, in dairy products.

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Last Updated: Jul 2, 2024

An inflammation of the voice box, which is also known as the larynx. Overuse, irritation or infection can be the cause.

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Last Updated: Jan 13, 2023

Decreased vision due to abnormal visual development.

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Last Updated: Jun 13, 2017

A buildup of lead in the body, often over months or years.

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Last Updated: Feb 27, 2024

A disorder that affects ability to learn and use academic skills, such as reading and math.

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Last Updated: Dec 7, 2023

A delay or blockage of electrical signals to the left side of the heart.

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Last Updated: Jul 13, 2024

Enlargement of muscle tissue in the heart's lower left chamber (ventricle).

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Last Updated: Jun 13, 2017

Physical discomfort in part or all of the leg that can vary in strength.

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Last Updated: May 24, 2023

A noncancerous soft tissue tumor that develops from smooth muscle.

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Last Updated: Nov 3, 2023

A disease caused by a parasite that is spread through the bite of infected sand flies.

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Last Updated: Mar 23, 2024

A chronic, curable infectious disease mainly causing skin lesions and nerve damage.

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Last Updated: Mar 30, 2024

An illness caused by bacteria that spread to humans through contact with the urine of infected animals.

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Last Updated: Mar 13, 2024

An irregular area of tissue inside or outside the body that may get bigger or change appearance. It may or may not be cancerous.

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Last Updated: Oct 26, 2023

Ongoing tiredness that reduces energy, being able to do things and being able to focus.

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Last Updated: Feb 21, 2024

A cancer of the body's blood-forming tissues. It can harm the ability to fight infection.

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Last Updated: Mar 23, 2024

A high level of white blood cells in the blood. A high white blood cell count can be caused by infection, reaction to a medicine, a bone marrow disease, an immune system issue, smoking or sudden stress such as hard exercise.

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Last Updated: Jun 17, 2023

A low level of white blood cells in the blood, which can interfere with the ability to fight infection.

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Last Updated: Jun 17, 2023

Thickened, white patches inside the mouth.

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Last Updated: Jun 13, 2017

The medical name for vaginal discharge, a mix of fluid and cells that typically helps keep the vagina healthy and clean.

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Last Updated: Mar 27, 2024

A chronic condition that causes patchy, discolored, thin skin. It often affects the genital and anal areas.

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Last Updated: Nov 9, 2023

Feeling dizzy or about to pass out.

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Last Updated: Feb 28, 2024

An unsteady walk that can be caused by pain, weakness or injury to the leg.

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Last Updated: Aug 30, 2023

A fatty lump most often between the skin and muscle.

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Last Updated: Nov 7, 2023

An illness caused by infection with bacteria and spread through contaminated food.

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Last Updated: Mar 12, 2024

Cancer that begins in the cells of the liver.

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Last Updated: Mar 16, 2024

Loss of liver function.

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Last Updated: Jun 13, 2017

A noncancerous mass in the liver.

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Last Updated: Jun 13, 2017

Physical discomfort in the liver, an organ located in the upper right belly.

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Last Updated: May 25, 2018

Flat tan, brown, or black spots on the skin common with age.

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Last Updated: Nov 9, 2023

Feeling sad and unhappy about being socially isolated.

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Last Updated: May 25, 2018

A heart rhythm disorder that can cause fast, chaotic heartbeats.

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Last Updated: Apr 10, 2024

Inward curving of the spine in the neck and lower back.

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Last Updated: Nov 22, 2023

The inability to respond to surroundings or stimuli.

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Last Updated: Jun 13, 2017

Partial or complete loss of the sense of smell.

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Last Updated: Jan 18, 2023

Physical discomfort with pain affecting the lower half of the back. It can vary in intensity from a dull ache to disabling.

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Last Updated: May 7, 2024

Bleeding from the small intestine, large intestine, rectum, or anus.

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Last Updated: Jun 13, 2017

Bleeding from the small intestine, large intestine, rectum or anus.

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Last Updated: Jan 4, 2020

A disease of the root of a nerve in the lower (lumbar) spine.

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Last Updated: Jun 13, 2017

A narrowing of the open spaces in the lower spine, known as the lumbar spine.

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Last Updated: Jun 27, 2024

A cancer that begins in the lungs and most often occurs in people who smoke.

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Last Updated: Mar 29, 2024

A long-term illness that occurs when the immune system attacks its own tissues and organs.

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Last Updated: Mar 1, 2023

An illness caused by borrelia bacteria that usually is spread through the bite of an infected tick.

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Last Updated: Oct 18, 2023

An infection of the lymph system with a parasite called a filarial worm.

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Last Updated: Mar 19, 2024

Swelling, most often in an arm or leg, caused by a lymphatic system blockage.

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Last Updated: May 24, 2023

Cancer that affects the body's germ- and disease-fighting system, also called the lymphatic system.

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Last Updated: Mar 26, 2024

M

A respiratory illness that is caused by a virus.

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Last Updated: Oct 19, 2023

An eye disease that causes vision loss.

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Last Updated: Jun 13, 2017

A brain disorder in adult cattle that may be spread to humans through diseased meat.

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Last Updated: Jun 13, 2017

A low level of the mineral magnesium in the body.

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Last Updated: Sep 6, 2023

A mood disorder causing a persistent feeling of sadness and loss of interest.

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Last Updated: Jun 13, 2017

A condition that prevents absorption of nutrients through the small intestine.

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Last Updated: Jun 13, 2017

Learn more about this general sense of not feeling well.

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Last Updated: Dec 22, 2023

A disease caused by a parasite, spread by the bites of infected mosquitoes.

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Last Updated: Oct 18, 2023

Severe reaction to anesthesia drugs causing a high temperature and muscle break down.

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Last Updated: Jun 13, 2017

To intentionally pretend to have a disease in order to achieve another goal.

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Last Updated: Jun 13, 2017

Unbalanced nutrition, which can be undernutrition or overnutrition.

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Last Updated: Mar 12, 2024

The abnormal alignment of the upper and lower teeth.

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Last Updated: Jun 13, 2017

Breast cancer that starts in a milk duct of the breast.

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Last Updated: Apr 2, 2024

Extremely elevated and excitable mood usually associated with bipolar disorder.

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Last Updated: May 25, 2018

Condition that makes it hard to break down certain parts of protein (amino acids).

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Last Updated: Jun 13, 2017

Severe malnutrition with muscle and fat wasting.

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Last Updated: Dec 1, 2023

An inherited disorder that affects connective tissue.

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Last Updated: May 11, 2023

Painful swelling and change in skin color, called inflammation, of breast tissue most often in people who are breastfeeding.

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Last Updated: Mar 6, 2024

Too many of a type of disease-fighting and wound-healing cells (mast cells).

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Last Updated: Jun 13, 2017

An infection caused by germs called bacteria that affect the mastoid bone behind the ear.

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Last Updated: Mar 12, 2024

This once common childhood infection most often can be prevented with a vaccine.

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Last Updated: May 25, 2024

A severe form of depression.

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Last Updated: May 25, 2018

A noncancerous mole caused by a disorder of pigment-producing skin cells.

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Last Updated: Dec 13, 2023

The most serious type of skin cancer.

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Last Updated: Dec 30, 2023

A condition in which patches of skin on the face darken. It's also called the mask of pregnancy.

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Last Updated: Nov 15, 2023

Dark tarry stool with or without visible blood.

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Last Updated: May 25, 2018

An inner ear disease that can cause a spinning feeling, ringing in the ear and trouble hearing.

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Last Updated: Jan 18, 2023

A tumor that arises from the membranes surrounding the brain and spinal cord.

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Last Updated: Jun 13, 2017

Inflammation of brain and spinal cord membranes, typically caused by an infection.

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Last Updated: Jun 13, 2017

A serious bacterial infection that affects the brain and spinal cord.

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Last Updated: Jun 13, 2017

Irritation and swelling, called inflammation, of the brain and the tissues around it, most often caused by infection.

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Last Updated: Mar 16, 2024

The permanent end of fertility, signaled by 12 months since last period.

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Last Updated: Dec 22, 2023

Heavy or long-lasting vaginal bleeding during periods.

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Last Updated: Jul 29, 2023

A type of condition that causes irregular or painful menstrual periods.

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Last Updated: Mar 29, 2024

Inability to think or reason in a focused, clear manner.

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Last Updated: May 25, 2018

A nerve condition characterized by tingling, numbness, and pain in the outer thigh.

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Last Updated: Jun 13, 2017

A cancer that starts in the thin layer of tissue covering the lungs, stomach, heart and other organs.

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Last Updated: Mar 6, 2024

A condition in which too much acid builds up in the body.

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Last Updated: Oct 28, 2023

Too much of a chemical called bicarbonate in the body.

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Last Updated: Oct 25, 2023

A cluster of conditions that increases the risk of heart disease, stroke, and diabetes.

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Last Updated: May 11, 2023

Pain and irritation of the ball of the foot.

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Last Updated: Nov 9, 2023

A sprain of the main joint in the big toe, also called turf toe.

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Last Updated: Nov 17, 2023

A penis that is much smaller than average.

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Last Updated: May 8, 2024

Discomfort in the area of the spine between the base of the neck to the bottom of the ribcage.

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Last Updated: May 7, 2024

An intense headache often accompanied by nausea and sensitivity to light and sound.

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Last Updated: Jun 13, 2017

A tiny, white bump that commonly appears on a baby's face.

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Last Updated: Nov 16, 2023

A skin condition caused by blocked sweat ducts and trapped sweat beneath the skin.

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Last Updated: Nov 15, 2023

Contraction of the pupil, which can be temporary or permanent, depending on the cause.

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Last Updated: Jun 13, 2017

The sudden loss of a pregnancy before the 20th week.

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Last Updated: Oct 13, 2023

A strong reaction to specific sounds.

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Last Updated: Jun 13, 2017

A disorder that happens when structures inside cells that make energy don't work properly.

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Last Updated: Oct 20, 2023

Improper closure of the valve between the heart's upper and lower left chambers.

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Last Updated: Jan 26, 2024

This type of heart valve disease causes blood to flow backward across the mitral valve.

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Last Updated: Sep 6, 2023

A tumor that develops in the uterus as a result of a nonviable pregnancy.

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Last Updated: Aug 31, 2022

A mole (pigmented skin lesion).

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Last Updated: Dec 15, 2023

A viral skin infection that results in round, firm, painless bumps.

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Last Updated: Nov 16, 2023

A large, blue-gray birthmark.

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Last Updated: Nov 16, 2023

An abrupt change in mood or emotional state.

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Last Updated: May 26, 2018

Wanting to throw up with or without throwing up during pregnancy at any time of day.

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Last Updated: Feb 27, 2024

A thickening of the tissue around a nerve leading to the toes.

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Last Updated: May 12, 2023

Illness caused by motion during travel.

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Last Updated: Jun 13, 2017

One or more painful sores on inner lips, gums, tongue, roof of the mouth, or throat that may interfere with eating, such as a canker sore.

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Last Updated: May 26, 2018

A cancer of plasma cells.

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Last Updated: Sep 2, 2023

A disease in which the immune system breaks down the protective coating of nerve fibers in the brain and spinal cord, called the myelin sheath.

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Last Updated: Nov 9, 2023

An illness caused by a virus that usually affects the glands on each side of the face.

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Last Updated: Oct 19, 2023

A severe mental condition in which someone pretends to be sick for no obvious reason.

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Last Updated: Jun 13, 2017

A severe mental condition in which someone imposes symptoms on a healthy person.

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Last Updated: Jun 13, 2017

Involuntary contractions of a muscle, typically harmless and temporary, but can be painful.

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Last Updated: May 25, 2018

Soreness and achiness in the muscles that can range from mild to severe.

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Last Updated: May 24, 2023

Aching, tender muscles.

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Last Updated: Aug 12, 2023

Decreased strength in the muscles.

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Last Updated: May 26, 2018

A group of genetic diseases that causes muscles to become weaker and lose mass over time.

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Last Updated: Jan 10, 2024

Extreme fatigue that can't be explained by an underlying medical condition.

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Last Updated: Nov 16, 2023

A weakness and rapid fatigue of muscles under voluntary control.

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Last Updated: Jun 13, 2017

Any disease that is caused by a fungus.

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Last Updated: Mar 12, 2024

Dilated pupils, which may occur normally or in response to a trauma, illness, or drugs.

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Last Updated: Jun 13, 2017

A group of disorders caused by blood cells that are poorly formed or don't work right.

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Last Updated: Mar 23, 2024

A serious bone marrow condition that harms the making of blood cells.

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Last Updated: Mar 23, 2024

A nervous system disorder that affects the spinal cord.

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Last Updated: Jun 13, 2017

A blockage of blood flow to the heart, also known as a heart attack.

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Last Updated: Jun 13, 2017

Inflammation of the heart muscle.

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Last Updated: May 11, 2024

A sudden, involuntary muscle jerk, shake, or spasm.

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Last Updated: May 24, 2018

A condition of ongoing muscle pain.

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Last Updated: Jan 5, 2024

A disease of the muscles.

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Last Updated: May 26, 2023

A condition in which close objects appear in focus, but far ones don't. Also called nearsightedness.

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Last Updated: Jun 29, 2024

Swelling, called inflammation, in the muscles.

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Last Updated: Jun 20, 2023

A muscle disease featuring an inability to relax muscles at will.

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Last Updated: Nov 18, 2023

A complication of severe hypothyroidism that can lead to serious health problems.

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Last Updated: Sep 6, 2023

N

An irregular, rounded shape of the nail bed.

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Last Updated: Oct 27, 2023

Personality qualities include thinking very highly of oneself, needing admiration, believing others are inferior, and lacking empathy for others.

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Last Updated: May 25, 2018

A disorder in which a person has an inflated sense of self-importance.

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Last Updated: Jun 13, 2017

A sleep condition that causes people to feel very drowsy and to fall asleep suddenly.

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Last Updated: Nov 9, 2023

The inside of the nose can swell with fluid and mucus. Infection, tobacco smoke or perfume can be the cause.

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Last Updated: Mar 4, 2023

A painless growth inside the nose or the hollow areas inside the bones of the face, also known as sinuses.

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Last Updated: May 12, 2023

Off-center position of the wall between the nostrils, making one entry into the nose, also known as the nasal passage, smaller.

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Last Updated: May 19, 2023

A cancer that starts in the area behind the nose and above the back of the throat, called the nasopharynx.

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Last Updated: Mar 6, 2024

A queasy sensation including an urge to vomit.

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Last Updated: Mar 9, 2024

Pain in the neck and shoulder that varies in intensity. It may feel dull and achy or like an electric shock from the neck to the arm.

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Last Updated: May 7, 2024

Death of cells or tissue through disease or injury.

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Last Updated: Jun 13, 2017

An infection caused by bacteria that spreads quickly through the body and destroys tissue.

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Last Updated: Mar 12, 2024

Getting stuck by a needle that has someone's blood or other body fluid on it.

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Last Updated: Aug 24, 2023

Red bumps that appear on a baby's cheeks, nose, and forehead.

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Last Updated: Jun 9, 2020

A liver condition that causes yellowing of a newborn baby's skin and eyes.

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Last Updated: Feb 7, 2024

A breathing disorder in newborns caused by immature lungs.

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Last Updated: Jun 13, 2017

A life-threatening illness in newborn babies caused by infection with germs called bacteria.

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Last Updated: Jan 10, 2024

Swelling, also called inflammation, of the kidneys.

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Last Updated: Feb 16, 2024

A disease in which the body has trouble balancing fluid levels due to a kidney problem.

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Last Updated: Mar 7, 2023

A kidney condition that causes the body to pass too much protein in the urine.

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Last Updated: Feb 16, 2024

A condition in which a nerve is damaged due to overuse or compression.

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Last Updated: Jun 13, 2017

Damage to a nerve.

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Last Updated: May 25, 2018

Pain caused by damaged or irritated nerves.

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Last Updated: Jun 13, 2017

Pain that travels along the length of a nerve.

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Last Updated: May 24, 2018

A cancer that grows from immature nerve cells, most often in the adrenal glands.

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Last Updated: Mar 6, 2024

A deterioration of the nerves.

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Last Updated: Jun 13, 2017

A cancer that starts in the neuroendocrine cells.

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Last Updated: Feb 16, 2024

A condition that causes tumors to form in the brain, spinal cord, and nerves.

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Last Updated: Jun 13, 2017

Condition in which the bladder doesn't function properly due to brain or nerve damage.

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Last Updated: Jun 13, 2017

A life-threatening nervous system reaction to certain drugs.

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Last Updated: Jun 13, 2017

A group of diseases that affect nerve and muscle function.

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Last Updated: Jun 13, 2017

A disorder that causes swelling of the eye nerves and the spinal cord.

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Last Updated: Apr 25, 2018

Breaking down of a joint from nerve damage caused by diabetes.

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Last Updated: Jan 19, 2024

An abnormally low count of a type of white blood cell called neutrophils.

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Last Updated: Jul 22, 2023

Is the term for physical and mental symptoms that happen after stopping or lessening use of tobacco products.

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Last Updated: Mar 13, 2024

A lot of perspiring during sleep, usually has an underlying cause such as menopause, an illness, or medicine side effect.

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Last Updated: Feb 14, 2024

Episodes of screaming, intense fear, and flailing while still asleep, often paired with sleepwalking.

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Last Updated: May 25, 2018

Frightening dreams, usually during REM sleep, that are normal and common in children under 10 and can also affect teens and adults.

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Last Updated: May 25, 2018

A dry, sore, irritated, or cracked nipple.

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Last Updated: Nov 15, 2023

Urinating frequently at night.

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Last Updated: May 25, 2018

Nighttime loss of bladder control, or bed-wetting, usually in children.

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Last Updated: May 25, 2018

Fluid-filled or solid lump that often doesn't indicate anything serious is wrong.

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Last Updated: May 26, 2018

Cancer that starts in the body's germ-fighting system, called the lymphatic system.

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Last Updated: Mar 26, 2024

One of two major types of lung cancer that can affect smokers and nonsmokers.

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Last Updated: Mar 29, 2024

The accumulation of liver fat in people who drink little or no alcohol.

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Last Updated: Jun 13, 2017

A genetic condition preventing normal development in parts of the body.

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Last Updated: Jun 13, 2017

When a person bleeds from the nose.

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Last Updated: Nov 30, 2022

Coin-shaped rash or sores.

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Last Updated: Oct 19, 2023

Any condition caused by poor diet or the inability of the body to use certain nutrients.

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Last Updated: Dec 2, 2023

An involuntary eye movement which may cause the eye to rapidly move from side to side, up and down, or in a circle, and may slightly blur vision.

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Last Updated: May 24, 2018

O

A disorder that involves having too much body fat, which increases the risk of health problems.

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Last Updated: Jul 22, 2023

Excessive thoughts (obsessions) that lead to repetitive behaviors (compulsions).

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Last Updated: Jun 13, 2017

A condition in which breathing stops and starts during sleep.

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Last Updated: Jun 13, 2017

A severe headache that begins at the back of the neck and spreads upward.

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Last Updated: Jun 13, 2017

Pain while swallowing.

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Last Updated: May 25, 2018

Inflammation or irritation of a small sac of fluid, known as the olecranon bursa, on the tip of the elbow.

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Last Updated: Aug 11, 2023

Much less urination than usual.

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Last Updated: Apr 30, 2024

An infection of the skin and eyes also known as river blindness and caused by a parasite called a filarial worm.

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Last Updated: Mar 19, 2024

A condition in which the corner or side of a toenail grows into the flesh.

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Last Updated: Nov 1, 2023

A nail fungus causing thickened, brittle, crumbly, or ragged nails.

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Last Updated: Oct 28, 2023

An infection with various causes that can be dangerous if the immune system is weakened.

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Last Updated: Mar 15, 2024

A disorder in a child marked by defiant and disobedient behavior to authority figures.

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Last Updated: Apr 25, 2018

Inflammation of the optic nerve.

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Last Updated: Jun 13, 2017

Cancer that develops in any part of the mouth.

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Last Updated: Mar 6, 2024

An infection in which the fungus Candida albicans accumulates in the mouth.

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Last Updated: Jun 13, 2017

A noncancerous mucus-containing salivary gland cyst.

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Last Updated: Jun 13, 2017

Swelling called inflammation that affects one or both testicles.

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Last Updated: May 14, 2024

Discomfort when breathing while lying down flat; common in people with some types of heart or lung conditions.

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Last Updated: May 26, 2018

A form of low blood pressure that happens when standing after sitting or lying down.

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Last Updated: May 14, 2024

Painful swelling called inflammation that affects the area just below the knee.

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Last Updated: Jan 6, 2024

The process of bone being formed, which can cause symptoms if bone grows in soft tissue where it doesn't belong.

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Last Updated: Oct 25, 2023

Type of arthritis that occurs when flexible tissue at the ends of bones wears down.

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Last Updated: May 12, 2023

A group of disorders passed through families that cause fragile bones that break easily.

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Last Updated: Aug 17, 2023

An infection in a bone.

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Last Updated: Jul 6, 2023

A condition in which bones become weak and brittle.

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Last Updated: Jun 27, 2023

A type of bone cancer that begins in the cells that form bones.

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Last Updated: Dec 22, 2023

Irritation and swelling of the ear, often from infection.

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Last Updated: Nov 18, 2023

An infection of the outer ear canal, also called swimmer's ear. The outer ear canal runs from the eardrum to the outside of the head.

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Last Updated: Jan 28, 2023

An infection of the air-filled space behind the eardrum, also known as the middle ear.

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Last Updated: May 10, 2023

A cancer that begins in the organs that produce eggs, called the ovaries.

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Last Updated: Mar 16, 2024

A sac, usually filled with fluid, in or on an ovary.

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Last Updated: Oct 13, 2023

A condition in which the ovaries swell and get painful from excess hormone.

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Last Updated: Nov 9, 2021

A condition that causes a frequent and sudden urge to urinate that may be hard to control.

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Last Updated: May 14, 2024

Weight above what's considered healthy, often measured using body mass index (BMI).

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Last Updated: Dec 5, 2023

One-sided, lower belly pain linked to ovulation.

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Last Updated: Feb 27, 2024

An imbalance between levels of antioxidants and free radicals in the body.

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Last Updated: Jun 13, 2017

P

A disease that disrupts the replacement of old bone tissue with new bone tissue.

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Last Updated: May 11, 2023

A form of breast cancer affecting the nipple and dark circle of skin around it.

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Last Updated: Apr 2, 2024

Physical discomfort ranging from mild to serious, usually caused by injury, illness or a nerve condition.

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Last Updated: Jul 25, 2023

An ongoing condition that causes bladder pressure and pain.

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Last Updated: Feb 27, 2024

A loss of color in the skin and mucous membranes, often related to anemia.

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Last Updated: Oct 28, 2023

A feeling that the heart is racing, pounding, fluttering or skipping a beat. Can be caused by stress, exercise, medicines or a health condition.

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Last Updated: Dec 15, 2023

Cancer that begins in the organ lying behind the lower part of the stomach, called the pancreas.

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Last Updated: Sep 8, 2023

An inflammation of the organ lying behind the lower part of the stomach (pancreas).

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Last Updated: Jun 13, 2017

Condition in which blood has fewer red cells, white cells and platelets than usual.

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Last Updated: Sep 6, 2023

A sudden episode of intense fear that triggers severe physical reactions when there is no real danger or apparent cause.

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Last Updated: May 24, 2018

Sudden episode of intense fear or anxiety and physical symptoms, based on a perceived threat rather than imminent danger.

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Last Updated: May 26, 2018

Repeated episodes of sudden and intense fear when no real danger exists.

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Last Updated: Jun 13, 2017

The most common form of cancer of the thyroid, a butterfly-shaped gland in the neck.

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Last Updated: Jan 11, 2024

Small bump on the skin that sometimes hurts.

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Last Updated: Oct 25, 2023

Complete or partial loss of muscle function.

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Last Updated: Jun 13, 2017

A group of symptoms that develops in some people who have cancer.

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Last Updated: Jun 13, 2017

An unrealistic distrust of others or a feeling of being persecuted. Extreme degrees may be a sign of mental illness.

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Last Updated: May 26, 2018

Sexual behaviors generally considered harmful or unacceptable or that are illegal.

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Last Updated: Jun 13, 2017

Paralysis that affects all or part of the trunk, legs, and pelvic organs but not the arms.

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Last Updated: Aug 17, 2023

Partial loss of muscle function.

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Last Updated: Jun 13, 2017

Tingling or prickling, “pins-and-needles” sensation; usually temporary, often occurs in the arms, hands, legs, or feet.

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Last Updated: May 25, 2018

A disorder of the nervous system that affects movement, often including tremor.

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Last Updated: Jun 13, 2017

An infection of the tissue folds around the nails.

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Last Updated: Nov 2, 2023

Inflammation of 1 or both of the largest saliva-producing glands inside the cheeks.

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Last Updated: Jun 13, 2017

A pattern of indirectly expressing negative feelings instead of openly addressing them.

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Last Updated: Mar 27, 2024

A condition in which a person has an extra chromosome 13.

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Last Updated: Jun 13, 2017

An injury to the tissue that joins the kneecap to the shinbone, called the patellar tendon.

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Last Updated: Mar 6, 2024

A condition in which the cartilage under the kneecap is damaged due to injury or overuse. The kneecap also is known as the patella.

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Last Updated: Jul 6, 2023

A heart defect caused by problems in the heart's development.

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Last Updated: Jun 13, 2017

Inappropriate involuntary laughing and crying due to a nervous system disorder.

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Last Updated: Jun 13, 2017

The compulsive urge to lie about matters big and small, regardless of the situation.

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Last Updated: May 26, 2018

A condition in which the breastbone juts out more than usual.

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Last Updated: Dec 12, 2023

A condition in which the breastbone sinks into the chest.

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Last Updated: Aug 4, 2023

An infection of the female reproductive organs, which include the uterus, fallopian tubes and ovaries.

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Last Updated: May 14, 2024

Pain in the lowest part of the stomach and pelvis.

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Last Updated: Jul 29, 2023

A growth of cells that affects the penis.

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Last Updated: Aug 8, 2023

A tear of one of the two tubes, also known as cylinders, that cause the penis to become erect.

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Last Updated: Jan 12, 2023

A sore that develops on the lining of the esophagus, stomach, or small intestine.

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Last Updated: Jun 13, 2017

A hole or tear in the tissue that divides the ear canal from the middle ear, also called the eardrum.

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Last Updated: Jan 31, 2023

A collection of pus in the tissue around the anus and rectum.

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Last Updated: Jun 13, 2017

A buildup of too much fluid in the sac around the heart.

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Last Updated: Sep 15, 2023

Swelling and irritation of the thin, saclike tissue that surrounds the heart, called the pericardium.

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Last Updated: Apr 6, 2024

Disease of the gums and tissue that support the teeth.

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Last Updated: Jun 13, 2017

A serious gum infection that damages gums and can destroy the jawbone.

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Last Updated: Apr 25, 2018

Rash of the skin around the mouth.

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Last Updated: Oct 18, 2023

Dark circles under the eyes.

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Last Updated: Oct 11, 2023

Swelling or puffiness around the eye area.

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Last Updated: May 25, 2018

A common condition in which narrowed arteries reduce blood flow to the arms or legs.

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Last Updated: Jun 29, 2024

Weakness, numbness, and pain from nerve damage, usually in the hands and feet.

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Last Updated: Jun 13, 2017

Inflammation of the peritoneum, the thin layer of tissue lining the abdomen and covering the organs in the abdomen.

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Last Updated: Dec 19, 2023

A decrease in red blood cells that happens when the body can't absorb enough vitamin B-12.

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Last Updated: Aug 18, 2023

A chronic state of brain dysfunction in which a person shows no signs of awareness.

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Last Updated: Jun 13, 2017

Sweating from sweat glands, often in response to heat, exercise, or stress.

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Last Updated: Oct 31, 2023

A highly contagious respiratory tract infection, also known as whooping cough, that is caused by germs called bacteria.

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Last Updated: Mar 7, 2024

A group of disorders characterized by delayed social and communication development.

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Last Updated: Jun 13, 2017

A condition in which the arch of the foot is higher than usual.

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Last Updated: Aug 29, 2023

Tiny round brown-purple spots due to bleeding under the skin, may be in a small area due to minor trauma or widespread due to blood-clotting disorder.

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Last Updated: Oct 26, 2023

Brief, sudden lapses of consciousness.

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Last Updated: Jun 13, 2017

Scar tissue inside the penis that causes curved, painful erections.

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Last Updated: Oct 13, 2023

The most common cause of a sore throat, usually from an infection.

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Last Updated: Mar 1, 2023

A rare inherited condition that causes an amino acid called phenylalanine to build up in the body.

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Last Updated: Jan 10, 2024

A rare type of tumor that usually is not cancer and forms in an adrenal gland.

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Last Updated: Mar 6, 2024

A condition in which a tight foreskin can't be pulled back over the head of the penis.

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Last Updated: Apr 30, 2024

Swelling and irritation of a vein.

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Last Updated: Nov 15, 2023

Mucus, thicker than normal due to illness or irritation, coughed up from the respiratory tract.

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Last Updated: May 26, 2018

Inflamed, rough patches of skin caused by getting too much sun or other type of ultraviolet radiation.

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Last Updated: Oct 19, 2023

Use of force to cause physical harm or pain to someone.

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Last Updated: Jun 13, 2017

Craving and chewing substances that have no nutritional value, such as ice, clay, soil or paper.

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Last Updated: Jan 19, 2024

An unusual pocket in the skin that contains hair and skin debris.

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Last Updated: Nov 17, 2023

A skin pore clogged with oil, dead skin cells, and bacteria, usually on the face, neck, chest, back, or shoulders.

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Last Updated: May 25, 2018

A skin condition that occurs when hair follicles plug with oil and bacteria.

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Last Updated: Oct 21, 2023

An uncommon condition that can lead to pain in the buttocks and down the leg.

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Last Updated: Jul 6, 2023

This tumor in the pituitary gland isn't cancer, and it often doesn't spread beyond the skull.

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Last Updated: Mar 15, 2023

A skin rash that usually begins as a large spot on the chest, belly, or back.

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Last Updated: Sep 22, 2023

A condition in which the placenta completely or partially covers the opening of the uterus.

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Last Updated: May 14, 2024

A serious problem during pregnancy that involves the placenta, the organ that brings oxygen and nutrients to the baby.

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Last Updated: Feb 21, 2023

A flat spot on a baby's head.

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Last Updated: Oct 19, 2023

An inflammation of a thick band of tissue that connects the heel bone to the toes.

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Last Updated: Sep 7, 2023

Hard, grainy growths that appear on the heels or balls of the feet.

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Last Updated: Feb 7, 2024

A substance that collects in and hardens blood vessels, builds up on tooth enamel or appears on skin due to certain conditions.

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Last Updated: Mar 28, 2024

A buildup of fluid between the tissues that line the lungs and the chest.

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Last Updated: Jun 13, 2017

Inflammation of the tissues that line the lungs and the chest.

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Last Updated: Jun 13, 2017

A serious lung infection caused by the fungus Pneumocystis jiroveci.

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Last Updated: Jun 13, 2017

Infection that inflames air sacs in 1 or both lungs, which may fill with fluid.

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Last Updated: Jun 13, 2017

A general term that refers to inflamed lung tissue, but usually not to pneumonia.

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Last Updated: Jun 13, 2017

A collapsed lung.

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Last Updated: Jun 13, 2017

An illness caused by a virus that affects nerves and often can be prevented with a vaccine.

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Last Updated: Jun 20, 2024

A genetic disease in which fluid-filled sacs called cysts grow mainly in the kidneys.

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Last Updated: May 13, 2023

A hormonal condition causing the ovaries to get larger and form small cysts on their outer edges.

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Last Updated: Oct 14, 2023

An unusual increase in the number of red blood cells in the blood.

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Last Updated: Jun 10, 2023

A slow-growing blood cancer in which bone marrow makes too many red blood cells.

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Last Updated: Jan 12, 2024

A condition of having more than 5 digits on a hand or 5 toes on a foot.

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Last Updated: Jun 13, 2017

Intense thirst even though drinking lots of fluids.

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Last Updated: Jun 29, 2023

A condition in which increased amniotic fluid develops in the uterus during pregnancy.

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Last Updated: Dec 12, 2023

An inflammatory disorder causing muscle pain and stiffness around the shoulders and hips.

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Last Updated: Jun 29, 2023

Abnormal tissue growth on a mucous membrane.

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Last Updated: Jun 13, 2017

Excessive eating.

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Last Updated: May 25, 2018

Passing larger amounts of urine than usual.

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Last Updated: May 21, 2024

Disorders resulting from buildup of certain chemicals related to red blood cell proteins.

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Last Updated: Jun 13, 2017

High blood pressure in the vein that carries blood from the intestine to the liver.

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Last Updated: Apr 16, 2024

A complex disorder in which several post-concussion symptoms last for weeks or months.

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Last Updated: Aug 10, 2023

The most common complication of shingles, causing burning pain in nerves and skin long after a shingles rash and blisters heal.

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Last Updated: Oct 12, 2023

Mucus that builds up and drips down the back of the nose and the throat.

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Last Updated: Apr 9, 2024

Depression that occurs after childbirth.

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Last Updated: Jun 13, 2017

Too much bleeding after a baby is born.

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Last Updated: Apr 27, 2023

A mental health condition triggered by experiencing or seeing a terrifying event.

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Last Updated: Jun 13, 2017

Symptoms related to reduced blood volume that occur when standing up.

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Last Updated: Jun 13, 2017

A genetic disorder that affects the body, mind, and behavior.

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Last Updated: Apr 25, 2018

A condition in which a child's body begins changing into that of an adult too soon.

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Last Updated: Mar 7, 2023

A blood sugar level that is higher than what's considered healthy, but not high enough to be type 2 diabetes.

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Last Updated: Mar 7, 2023

A pregnancy complication that involves high blood pressure.

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Last Updated: Apr 30, 2024

Orgasm and emission of semen occurring just before or shortly after beginning sexual intercourse.

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Last Updated: May 24, 2018

Menopause that happens before age 40 caused by chemotherapy or surgical removal of the ovaries.

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Last Updated: Feb 14, 2024

Extra heartbeats that begin in one of the lower heart chambers.

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Last Updated: Nov 18, 2023

An extreme form of premenstrual syndrome.

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Last Updated: Mar 6, 2024

A group of symptoms that can happen with menstrual periods, typically between ovulation and a period.

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Last Updated: Feb 17, 2024

This injury to skin and underlying tissue results from pressure on the skin for a long time.

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Last Updated: Feb 22, 2024

A birth that takes place too early, before the 37th week of pregnancy.

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Last Updated: Feb 22, 2023

An erection of the penis that lasts too long, most often without sexual arousal.

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Last Updated: Feb 27, 2024

A loss of typical function of the ovaries before age 40.

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Last Updated: Oct 25, 2023

Inflammation of the lining of the tube connected to the end of the colon, called the rectum.

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Last Updated: Jul 2, 2024

A progressive genetic disorder that causes children to age rapidly.

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Last Updated: Jun 13, 2017

A brain condition causing serious walking, balance, and eye movement problems.

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Last Updated: Jun 13, 2017

This tumor of the pituitary gland isn't cancer, but it can cause vision problems, infertility and other health issues.

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Last Updated: Mar 15, 2023

A bulging or falling out of a body part, such as the rectum or vagina.

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Last Updated: Mar 28, 2024

A cancer that starts in the prostate, a small walnut-shaped gland that produces seminal fluid.

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Last Updated: Mar 6, 2024

A condition of the prostate gland, most often linked with swelling called inflammation.

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Last Updated: Apr 27, 2024

Too much protein in the urine.

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Last Updated: Feb 28, 2024

An itchy rash that can happen during the last three months of pregnancy.

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Last Updated: Apr 11, 2023

An uncomfortable, irritating sensation that creates an urge to scratch that can involve any part of the body.

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Last Updated: Oct 28, 2023

A form of arthritis with sudden, painful swelling in one or more joints.

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Last Updated: Aug 4, 2023

A condition that occurs when pressure inside the skull increases for no obvious reason.

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Last Updated: Jun 13, 2017

A condition in which skin cells build up and form scales and itchy, dry patches.

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Last Updated: Feb 7, 2024

A type of arthritis that affects some people who have the skin condition psoriasis.

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Last Updated: Oct 12, 2023

A mental disorder causing dysfunction in thinking, perceiving, and relating to others.

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Last Updated: Jun 13, 2017

A mental disorder characterized by a disconnection from reality.

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Last Updated: Jun 13, 2017

A growth that starts on the clear tissue of the eye that can spread to the cornea.

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Last Updated: Jun 13, 2017

Abnormal low-lying or drooping upper eyelid.

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Last Updated: May 25, 2018

A contagious, itchy infestation of the genital area caused by insects.

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Last Updated: Oct 12, 2023

A condition in which food, liquids, saliva, or vomit is breathed into the airways.

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Last Updated: Jun 13, 2017

A buildup of fluid in the lungs that can be life-threatening.

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Last Updated: Jun 25, 2024

A condition in which 1 or more pulmonary arteries in the lungs become blocked.

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Last Updated: Jun 13, 2017

A type of high blood pressure that affects arteries in the lungs and in the heart.

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Last Updated: Jun 13, 2017

A condition in which small blood vessels leak blood into the skin, joints, intestines, or organs, that may be caused by certain disorders or aging.

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Last Updated: Sep 23, 2023

A life-threatening childhood illness, also known as Brazilian purpuric fever, caused by germs called bacteria.

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Last Updated: Mar 6, 2024

Thick white or yellow fluid that often is caused by an infection with germs and is made of white blood cells, waste from dead cells and thin liquid.

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Last Updated: Mar 12, 2024

The medical term for kidney infection, an illness in one or both kidney organs.

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Last Updated: May 16, 2023

A condition in which the opening between the stomach and small intestine thickens.

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Last Updated: Jun 13, 2017

Q

An infection caused by the bacterium Coxiella burnetii.

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Last Updated: Mar 8, 2023

Paralysis including the trunk, pelvic area, and both arms and legs.

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Last Updated: Jun 13, 2017

A complication of tonsillitis in which pus collects behind the tonsils.

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Last Updated: Jan 18, 2023

R

A serious illness caused by a virus spread in the saliva of infected animals.

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Last Updated: Mar 9, 2024

A disease of the root of a nerve, such as from a pinched nerve or a tumor.

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Last Updated: Jun 13, 2017

A condition in which some areas of the body feel numb and cool in certain conditions.

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Last Updated: Jun 13, 2017

A condition in which shaved beard hair curves into the skin, causing small lumps around hair follicles.

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Last Updated: Oct 31, 2023

Joint pain and swelling triggered by an infection in another part of the body.

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Last Updated: Dec 6, 2023

The passage of mucus or other liquid from the anus.

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Last Updated: Jun 13, 2017

A condition that occurs when part of the large intestine slips outside the anus.

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Last Updated: Jun 13, 2017

A bulge of tissue into the vagina that occurs when the tissue between the rectum and the vagina weakens or tears.

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Last Updated: Oct 13, 2023

Eye redness from irritated or inflamed blood vessels on the surface of the white part of the eye, commonly called bloodshot eyes.

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Last Updated: May 26, 2018

When undigested or partially digested food comes back up through the esophagus and is reswallowed or spit out.

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Last Updated: May 25, 2018

The most common type of kidney cancer in adults.

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Last Updated: Feb 16, 2024

Pain on either side of the lower back that's often due to kidney stones and is usually wavelike and intense and spreads to the stomach area or groin.

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Last Updated: May 21, 2024

A condition in which the kidneys lose their ability to filter waste and excess fluid from the blood.

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Last Updated: Apr 27, 2024

Damage and pain caused by motions repeated over and over.

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Last Updated: Apr 16, 2024

A condition in which the lungs can't remove all of the body's carbon dioxide.

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Last Updated: Jun 13, 2017

A condition in which the legs feel extremely uncomfortable, typically in the evenings.

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Last Updated: Jun 13, 2017

Difficulty fully expanding the lungs with air.

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Last Updated: Jun 13, 2017

An emergency when part of the eye (the retina) pulls away from supportive tissue.

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Last Updated: Jun 13, 2017

An eye disease in which the back wall of the eye (retina) is damaged.

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Last Updated: Jun 13, 2017

An eye cancer that begins in the inner lining of the eye, called the retina.

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Last Updated: Mar 8, 2024

A rare genetic mutation affecting brain development in girls.

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Last Updated: Jun 13, 2017

A serious condition that causes swelling in the liver and brain.

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Last Updated: Jun 13, 2017

A breakdown of muscle tissue that releases a damaging protein into the blood.

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Last Updated: Jun 14, 2024

A cancer that begins in the muscles.

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Last Updated: Dec 20, 2023

A complication of improperly treated strep throat or scarlet fever.

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Last Updated: Dec 2, 2023

A chronic inflammatory disorder usually affecting small joints in the hands and feet.

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Last Updated: May 11, 2023

Repeated sneezing or a stuffy, drippy nose, either from an allergy or from no known cause.

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Last Updated: Apr 9, 2024

An injury that occurs when one of the bones in the rib cage cracks.

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Last Updated: May 11, 2023

A softening and weakening of bones in children, usually due to not getting enough vitamin D.

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Last Updated: Jun 27, 2023

A delay or blockage of electrical impulses to the right side of the heart.

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Last Updated: Jun 13, 2017

A highly contagious, fungal infection of the skin or scalp caused by parasites.

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Last Updated: Jun 13, 2017

A serious infection caused by bacteria from a tick bite.

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Last Updated: Jul 26, 2023

A condition that causes redness and, often, small, red, pus-filled bumps on the face.

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Last Updated: Oct 17, 2023

A common viral infection in young children that may cause high fever and a rash.

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Last Updated: Oct 19, 2023

A tear in the tissues connecting muscle to bone, called tendons, around the shoulder joint.

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Last Updated: Aug 4, 2023

Swelling of the tissues, called tendons, that connect the muscles and bones in the shoulder.

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Last Updated: Aug 11, 2023

A group of viruses that commonly cause stomach upset and diarrhea, especially in children.

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Last Updated: Jul 25, 2023

An illness also known as German measles that is caused by a virus and can most often be prevented with a vaccine.

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Last Updated: Mar 13, 2024

Repeatedly spitting up undigested or partially digested food, then rechewing it or spitting it out.

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Last Updated: May 25, 2018

A lot of fluid runs out of the nose, down the back of the throat or both. It can range from clear fluid to thick mucus.

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Last Updated: Apr 8, 2023

S

An injury to the ring of fibrous tissue around the socket of the shoulder joint.

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Last Updated: Dec 12, 2023

Symptoms that may occur when stopping SSRI antidepressants.

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Last Updated: Jun 13, 2017

Inflammation of one or both of the joints that connect the lower spine and pelvis.

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Last Updated: May 11, 2023

Feeling down or unhappy in response to grief, discouragement, or disappointment; if ongoing, may indicate depression.

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Last Updated: May 25, 2018

An illness caused by infection with bacteria and commonly spread through contaminated food or water.

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Last Updated: Mar 13, 2024

The growth of tiny collections of inflammatory cells in different parts of the body.

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Last Updated: Jun 13, 2017

A cancer that occurs in the bones and soft tissues.

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Last Updated: Feb 16, 2024

A contagious, very itchy skin condition caused by a tiny, burrowing mite.

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Last Updated: Oct 12, 2023

Menstrual periods that happen less often than the average 28-day cycle.

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Last Updated: Feb 21, 2024

A common wrist fracture.

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Last Updated: Aug 11, 2023

A growth of tissue marking the spot where skin has healed after an injury.

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Last Updated: Nov 1, 2023

An illness, also called scarlatina, that's caused by infection with group A strep bacteria.

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Last Updated: Mar 30, 2024

A parasitic disease, also called bilharzia, that spreads in contaminated water containing certain species of snails.

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Last Updated: Mar 28, 2024

This mental health condition includes a mix of schizophrenia and mood disorder symptoms.

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Last Updated: Jun 5, 2024

A condition in which people avoid social activities and interacting with others.

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Last Updated: Jun 13, 2017

A brain disorder in which people interpret reality abnormally, such as hallucinations.

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Last Updated: Jun 13, 2017

An often noncancerous tumor of the cells in the tissue that covers the nerves.

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Last Updated: Jun 13, 2017

Pain that travels along the path of the sciatic nerve, which runs down each leg from the lower back.

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Last Updated: Jul 6, 2023

Chronic hardening and tightening of the skin and connective tissues.

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Last Updated: Jun 15, 2024

A hardening of a tissue in the body from inflammation, scarring or disease.

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Last Updated: Feb 19, 2020

A sideways curvature of the spine.

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Last Updated: Nov 21, 2023

An injury caused by the venom of a scorpion.

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Last Updated: Oct 3, 2023

A condition caused by a severe lack of vitamin C in the diet.

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Last Updated: Aug 30, 2023

Nausea and uneasiness caused by a ship's movements.

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Last Updated: Jun 13, 2017

A mood disorder characterized by depression that occurs at the same time every year.

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Last Updated: Dec 14, 2021

A small, slow-growing, noncancerous lump in the skin.

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Last Updated: Mar 27, 2024

A skin condition that causes scaly patches and inflamed skin, mainly on the scalp.

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Last Updated: Sep 27, 2023

A noncancerous skin condition that appears as a waxy brown, black, or tan growth.

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Last Updated: Oct 20, 2023

A pregnancy in the second three months or weeks 13 to 27.

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Last Updated: Feb 22, 2022

Uncontrolled jerking, loss of consciousness, blank stares, or other symptoms caused by abnormal electrical activity in the brain.

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Last Updated: May 24, 2018

A condition in which a child who can speak doesn't speak in certain situations.

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Last Updated: Jun 13, 2017

The act of deliberately harming the surface of one's own body, such as cutting or burning.

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Last Updated: May 25, 2018

This type of hearing loss involves damage to the inner ear or the nerve from the ear to the brain.

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Last Updated: Jan 13, 2023

A disorder in which a child becomes excessively anxious when separated from parents.

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Last Updated: Jun 13, 2017

A serious condition in which the body does not respond properly to an infection, causing the organs to work poorly.

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Last Updated: Oct 13, 2023

A widespread infection causing organ failure and dangerously low blood pressure.

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Last Updated: Oct 13, 2023

A tumorlike accumulation of fluid under the skin.

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Last Updated: Jun 13, 2017

Potentially dangerous symptoms that can occur when antidepressants are taken with other medicines that also raise serotonin levels.

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Last Updated: Oct 20, 2023

A contagious and sometimes fatal respiratory illness caused by a coronavirus.

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Last Updated: Mar 26, 2024

A serious, inherited inability to fight even mild infections (bubble boy disease).

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Last Updated: Jun 13, 2017

Any sexual activity not agreed to.

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Last Updated: Jun 13, 2017

Ongoing problems with the ability to have sex.

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Last Updated: May 12, 2023

A serious brain injury resulting from forcefully shaking an infant or toddler.

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Last Updated: Jun 13, 2017

Pain along the shinbone, the large bone in front of the lower leg.

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Last Updated: Jun 24, 2023

Involuntary trembling of the body caused by muscle contractions.

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Last Updated: May 24, 2018

Occurs when organs don't get enough blood.

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Last Updated: Jun 13, 2017

Physical discomfort of the shoulder, including the joint itself or the muscles, tendons and ligaments that support the joint.

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Last Updated: Aug 31, 2023

A heart rhythm disorder in which the heart's natural pacemaker doesn't work as it should.

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Last Updated: Apr 11, 2024

One of a group of disorders that cause red blood cells to become misshapen and break down.

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Last Updated: Jan 6, 2024

A condition in which a child inherits the sickle cell gene mutation from only one parent.

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Last Updated: Jan 6, 2024

A condition in which the spaces inside the nose become inflamed.

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Last Updated: Dec 28, 2022

An immune system illness that mainly causes dry eyes and dry mouth.

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Last Updated: Jan 28, 2023

Cancer that starts as a growth of cells in the skin.

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Last Updated: Mar 6, 2024

An infection of the skin caused by bacteria or by a fungus, virus, or parasite.

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Last Updated: Nov 28, 2023

Abnormal appearance or growth on the skin.

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Last Updated: Dec 15, 2023

Temporary outbreak of inflamed, bumpy, scaly, or itchy patches of skin, possibly with blisters or welts.

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Last Updated: Oct 25, 2023

A common skin growth in which a short, narrow stalk sticks out of the skin.

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Last Updated: Sep 26, 2023

A potentially serious sleep disorder in which breathing repeatedly stops and starts.

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Last Updated: Jun 13, 2017

A potentially serious sleep disorder in which breathing repeatedly stops and starts.

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Last Updated: May 25, 2018

Not getting the required amount of sleep.

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Last Updated: May 25, 2018

A temporary inability to move or speak while falling asleep or upon waking.

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Last Updated: Jun 13, 2017

The act of getting up and walking around while asleep.

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Last Updated: Jun 13, 2017

A type of lung cancer commonly caused by smoking.

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Last Updated: Mar 29, 2024

A condition in which high numbers of bacteria grow in the small intestine.

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Last Updated: Feb 15, 2024

This serious, often deadly disease has been wiped out because of a vaccine.

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Last Updated: May 5, 2023

An injury caused by a bite from a snake.

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Last Updated: Jun 13, 2017

A sudden blast of air or mucus from the mouth and nose.

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Last Updated: Mar 1, 2023

Hoarse or harsh sound from nose or mouth that occurs when breathing is partially obstructed while sleeping.

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Last Updated: May 26, 2018

Chronic mental health condition in which social interactions cause irrational anxiety.

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Last Updated: Jun 13, 2017

A mental disorder causing dysfunction in thinking, perceiving, and relating to others.

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Last Updated: Jun 13, 2017

Cancer that starts in the soft tissue.

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Last Updated: Mar 6, 2024

A group of infections caused by worms that live in soil, including hookworm, roundworm and whipworm.

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Last Updated: Mar 16, 2024

A mental disorder in which someone has pain or symptoms without a physical cause.

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Last Updated: Jun 13, 2017

Excessive sleepiness.

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Last Updated: Sep 7, 2023

Pain or irritation of the throat, often caused by an infection such as a cold or flu. Swallowing often makes it feel worse.

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Last Updated: Jan 31, 2023

Muscle overactivity that occurs when communication between the brain and spinal cord is affected by injury or illness.

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Last Updated: May 26, 2018

An injury caused by venom from a spider's bite.

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Last Updated: Aug 18, 2023

A condition present at birth in which a developing baby's spinal cord doesn't form properly.

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Last Updated: Nov 30, 2023

Occurs when one or more bones in the spine weaken and crumple.

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Last Updated: Sep 6, 2023

Damage to any part of the spinal cord or nerves at the end of the spinal canal.

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Last Updated: Sep 6, 2023

A condition that affects the rubbery disks between the bones that stack to make the spine.

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Last Updated: Oct 24, 2023

A narrowing of the open spaces in the spine.

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Last Updated: Jun 27, 2024

An enlarged spleen.

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Last Updated: Jan 20, 2024

Inflammation of the spine.

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Last Updated: Nov 18, 2023

A group of diseases that involve inflammation and affect the spine or pelvic joints.

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Last Updated: Dec 12, 2023

A spinal condition in which a bone called a vertebra slips forward onto the bone below it.

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Last Updated: Nov 22, 2023

A general term for age-related wear and tear of the spinal disks.

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Last Updated: Jan 16, 2024

A group of diseases caused by germs called bacteria that are spread through tick bites.

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Last Updated: Mar 15, 2024

A stretching or tearing of ligaments, the fibrous tissue that connects bones and joints.

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Last Updated: Jun 14, 2024

An injury that occurs when the ankle rolls, twists or turns in an odd way.

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Last Updated: Jan 31, 2023

An injury of the tissue that connects the bones at the base of the thumb.

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Last Updated: Oct 12, 2023

Thick mixture of saliva and phlegm that's coughed up from the respiratory tract.

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Last Updated: May 24, 2018

A form of skin cancer that develops in the cells of the outer layer of the skin.

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Last Updated: Mar 6, 2024

Anxiety and panic caused by the thought of performing.

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Last Updated: May 25, 2018

Illness caused by infection with staphylococcus bacteria.

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Last Updated: May 22, 2024

Illness caused by infection with staphylococcus bacteria and often shortened to staph infection.

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Last Updated: May 22, 2024

Serious lack of food and nutrition.

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Last Updated: Dec 12, 2023

Oily, smelly stools, which often float.

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Last Updated: May 25, 2018

An abnormal narrowing of an open space in the body, such as a blood vessel.

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Last Updated: Jun 13, 2017

An abnormal narrowing of a blood vessel, duct, canal, or tube.

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Last Updated: May 24, 2018

A rare, serious disorder of the skin and mucous membranes.

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Last Updated: Sep 27, 2023

A feeling of soreness or pain in the neck when trying to move it or turn the head from side to side.

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Last Updated: May 7, 2024

A condition in which the trunk and limbs stiffen, making it hard to walk.

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Last Updated: Jun 13, 2017

Being less flexible than usual, commonly in the joints.

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Last Updated: Sep 7, 2023

Cancer that occurs in the stomach.

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Last Updated: Mar 19, 2024

A condition of the mouth that involves swelling called inflammation and open sores called ulcers.

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Last Updated: Mar 12, 2024

Disorder in which the eyes don't look in exactly the same direction at the same time.

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Last Updated: Jun 13, 2017

An injury to a muscle or to the band of tissue that attaches a muscle to a bone, called a tendon.

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Last Updated: Jun 2, 2023

Also called strep throat, an infection caused by bacteria that may bring on a sore, scratchy throat.

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Last Updated: Oct 13, 2023

A tiny crack in a bone caused by repetitive stress or force, often from overuse.

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Last Updated: Jun 13, 2017

Indented streaks that usually appear on the body from stretching of the skin.

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Last Updated: Oct 26, 2023

A high-pitched, whistling sound most often heard while taking in a breath.

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Last Updated: Jun 13, 2017

A disruption of blood supply to part of the brain, starving brain tissue of oxygen.

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Last Updated: Jun 13, 2017

Stuttering is a speech disorder that disrupts the normal flow of speech.

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Last Updated: Mar 2, 2024

A red, painful lump near the edge of the eyelid that may look like a boil or pimple.

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Last Updated: Jun 13, 2017

Bleeding in the space between the brain and the tissue covering the brain.

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Last Updated: Jun 13, 2017

A pool of blood between the brain and its outermost covering.

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Last Updated: May 24, 2018

A pattern of repeated drug or alcohol use that often interferes with health, work, or social relationships.

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Last Updated: Jun 13, 2017

Thinking about or planning suicide.

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Last Updated: Jun 13, 2017

A type of skin burn resulting from getting too much sun or other type of ultraviolet radiation, such as from sunlamps.

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Last Updated: Jun 7, 2024

An irregularly fast or erratic heartbeat that affects the heart's upper chambers.

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Last Updated: Mar 5, 2024

Puffiness caused by excess fluid trapped in the body's tissues.

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Last Updated: Dec 13, 2023

An infection of the nose, throat and lungs caused by a virus. Swine influenza is also called swine flu or H1N1.

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Last Updated: Oct 13, 2023

Buildup of fluid in the foot and ankle area.

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Last Updated: Mar 28, 2024

Lymph nodes are immune system glands that usually swell in response to a bacterial or viral infection. Rarely, swollen lymph nodes are caused by cancer.

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Last Updated: Aug 18, 2023

Fainting, or a sudden temporary loss of consciousness.

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Last Updated: May 25, 2018

A condition in which high levels of a hormone cause the body to retain water.

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Last Updated: Aug 3, 2023

Swelling, pain and warmth, called inflammation, of the lining of a joint or tendon.

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Last Updated: Jun 17, 2023

An illness caused by infection with bacteria and spread mainly by contact with genitals or body fluids that starts as a painless sore.

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Last Updated: Mar 9, 2024

The development of a fluid-filled cyst in the spinal cord.

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Last Updated: Jun 13, 2017

An illness that occurs when the immune system attacks its own tissues and organs.

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Last Updated: Mar 1, 2023

T

A heart rate over 100 beats a minute for any reason.

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Last Updated: Dec 15, 2023

Fast, shallow breathing.

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Last Updated: Jun 13, 2017

An illness of the digestive system caused by infection with tapeworm eggs or larvae.

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Last Updated: Mar 13, 2024

An often-temporary heart condition that may feel like a heart attack.

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Last Updated: Nov 11, 2023

A parasite that can live and feed in human intestines and is spread through tapeworm eggs or larvae.

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Last Updated: Mar 30, 2024

A condition that causes movements that occur over and over and can't be controlled. It's usually caused by long-term use of certain psychiatric medicines.

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Last Updated: Nov 22, 2023

A rare, inherited disorder that destroys nerve cells in the brain and spinal cord.

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Last Updated: Jun 13, 2017

A common injury in which forceful twisting causes certain tissue in the knee to tear.

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Last Updated: Jun 14, 2024

A cluster of dilated tiny blood vessels called capillaries that forms a lesion anywhere on the skin or mucous membranes.

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Last Updated: Mar 28, 2024

A reversible condition in which hair falls out after a stressful experience.

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Last Updated: Jan 19, 2024

An inflammation in the blood vessels, called arteries, in the temples. This condition is also called giant cell arteritis.

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Last Updated: Jun 17, 2023

Pain and compromised movement of the jaw joint and the surrounding muscles.

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Last Updated: Jun 13, 2017

A condition in which the tissue that links muscle to bone becomes inflamed.

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Last Updated: Nov 17, 2023

A breakdown of tendon tissue caused by repeat motions or too much use.

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Last Updated: Jan 23, 2024

An irritation of the tissue connecting the forearm muscle to the elbow.

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Last Updated: Jun 24, 2023

Swelling of the cover of a tendon that connects muscle to bone.

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Last Updated: Sep 6, 2023

A mild to moderate pain often described as feeling like a tight band around the head.

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Last Updated: Jun 13, 2017

A type of germ cell tumor that may contain several types of body tissue.

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Last Updated: Aug 8, 2023

Cancer in the organs that make sperm, called the testicles.

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Last Updated: Mar 16, 2024

Pain that happens in or around one or both testicles.

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Last Updated: Mar 28, 2024

When a testicle rotates and twists the cord that brings blood to the pouch of skin containing the testicles, called the scrotum.

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Last Updated: Feb 14, 2024

A bacterial infection of the nervous system that can be prevented by a vaccine.

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Last Updated: Jan 5, 2024

A rare condition involving four heart problems present at birth.

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Last Updated: Sep 15, 2023

A blood disorder that is passed down in families through genes.

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Last Updated: Nov 21, 2023

A pregnancy in the last three months or weeks 28 to 40.

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Last Updated: Feb 22, 2022

A craving for something to drink, often associated with dehydration.

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Last Updated: Jun 14, 2024

A group of disorders that occur when certain blood vessels or nerves are compressed.

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Last Updated: Jun 13, 2017

A condition in which blood vessels get inflamed, swollen, and blocked with clots.

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Last Updated: Jun 13, 2017

A low number of platelets in the blood. Platelets, called thrombocytes, are colorless blood cells that help blood clot.

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Last Updated: Aug 2, 2023

A condition in which the body overproduces the blood cells that help clotting.

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Last Updated: Aug 2, 2023

A condition that increases a person's risk of forming clumped masses of blood (clots).

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Last Updated: Jun 13, 2017

Swelling and irritation of a vein due to a blood clot, often in the legs.

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Last Updated: Nov 15, 2023

The development of a mass of clumped blood (blood clot) in a blood vessel.

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Last Updated: Jan 8, 2020

A blood clot that forms on and remains attached to the inside wall of a blood vessel or the heart.

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Last Updated: Nov 17, 2023

A cancer in the butterfly-shaped gland at the base of the neck, called the thyroid.

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Last Updated: Jan 11, 2024

Any problem with the butterfly-shaped gland at the base of the neck, called the thyroid.

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Last Updated: Apr 8, 2023

A lump that forms within the butterfly-shaped gland at the base of the neck (thyroid).

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Last Updated: Mar 15, 2023

A compulsive, repetitive sound or movement that’s often difficult to control.

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Last Updated: May 24, 2018

A type of illness spread through the bite of an infected tick.

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Last Updated: Mar 30, 2024

A fungal infection of the scalp and hair shafts, often called ringworm of the scalp.

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Last Updated: Jan 22, 2022

Fungal infection in the skin of the groin and inner thighs. Also called jock itch.

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Last Updated: Sep 26, 2023

A fungal infection that usually begins between the toes, also called athlete's foot.

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Last Updated: Sep 28, 2023

A common fungal infection that causes small, discolored patches of skin.

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Last Updated: Sep 26, 2023

Ringing or other noises in one or both ears that may be constant or come and go.

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Last Updated: Feb 25, 2023

A seizure that involves a loss of consciousness and violent muscle contractions.

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Last Updated: Aug 10, 2023

Swelling of the tonsils, the two oval-shaped pads of tissue at the back of the throat.

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Last Updated: May 19, 2023

A hard lump that develops in the fleshy pads, also known as tonsils, at the back of the throat.

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Last Updated: May 16, 2023

A condition in which a tooth fails to fully emerge (erupt).

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Last Updated: Jun 13, 2017

Pain or inflammation in or around the tooth, often caused by tooth decay or infection.

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Last Updated: May 25, 2018

A rare condition in which the neck muscles tighten, causing the head to twist to one side.

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Last Updated: Jan 23, 2024

A nervous system disorder involving repetitive movements or unwanted sounds.

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Last Updated: Jun 13, 2017

A rare, life-threatening illness caused by infection with bacteria.

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Last Updated: Mar 14, 2024

An infection with a parasite known as Toxoplasma gondii.

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Last Updated: Mar 4, 2023

A bacterial infection that affects the eyes.

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Last Updated: Jun 13, 2017

A brief period of stroke-like symptoms that lasts only minutes and causes no permanent damage.

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Last Updated: Jan 6, 2024

The rejection of a transplanted organ, limb or tissue by the immune system.

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Last Updated: Feb 13, 2024

Brain dysfunction caused by an outside force, usually a violent blow to the head.

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Last Updated: Apr 25, 2018

A rare condition in which some bones and tissues in the face are not developed.

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Last Updated: Jan 6, 2024

An allergy to nuts that grow on trees.

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Last Updated: Jun 13, 2017

Involuntary shaking or movement, ranging from slight to severe, and commonly affecting hands, legs, face, head, or vocal cords.

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Last Updated: May 25, 2018

A type of roundworm infection.

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Last Updated: Oct 14, 2023

A sexually transmitted infection caused by a parasite.

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Last Updated: May 25, 2024

A disorder that involves recurrent, irresistible urges to pull out body hair.

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Last Updated: Jun 13, 2017

A chronic pain condition affecting the trigeminal nerve in the face.

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Last Updated: Jun 13, 2017

A condition in which a finger bends and gets stuck, then snaps straight.

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Last Updated: Nov 22, 2023

A genetic disorder in which a person has 3 copies of a chromosome instead of 2.

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Last Updated: Jun 13, 2017

Inflammation of a major fluid-filled sac in the hip.

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Last Updated: Jul 7, 2023

A serious illness that mainly affects the lungs and is caused by bacteria.

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Last Updated: Dec 7, 2023

An inherited condition in which noncancerous lesions grow in the body.

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Last Updated: Jun 13, 2017

A chromosomal disorder that affects only females.

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Last Updated: Jun 13, 2017

A lifelong condition where the pancreas makes little or no insulin, which leads to high blood sugar levels.

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Last Updated: Mar 10, 2023

A long-term condition that affects the way the body processes blood sugar.

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Last Updated: Mar 15, 2023

A disease that spreads through food and water or close contact.

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Last Updated: Oct 14, 2023

A bacterial disease spread by lice or fleas.

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Last Updated: Mar 12, 2024

U

A chronic, inflammatory bowel disease that causes inflammation in the digestive tract.

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Last Updated: Jun 13, 2017

A condition in which the long nerve in the arm gets compressed or irritated.

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Last Updated: Jun 13, 2017

A condition in which the intestine pokes through the abdominal muscles.

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Last Updated: Jul 2, 2024

When weight is lower than what is considered healthy for a person's height, or when body mass index is less than 18.5.

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Last Updated: Mar 15, 2024

A dangerous type of chest pain caused by reduced blood flow to the heart that requires emergency treatment.

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Last Updated: Jan 5, 2024

Physical discomfort affecting the upper part of the back that may vary from a dull ache to serious pain.

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Last Updated: May 7, 2024

Bleeding in the esophagus, the stomach or the first part of the small intestine.

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Last Updated: Feb 17, 2024

A common viral infection that affects the nose, throat, and airways.

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Last Updated: Jun 13, 2017

A condition that involves very high levels of waste products in the blood.

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Last Updated: May 21, 2024

Swelling and irritation of the tube that carries urine from the bladder to the outside of the body.

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Last Updated: Feb 21, 2024

A common problem where a person loses control of the bladder, the organ that stores urine.

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Last Updated: May 12, 2023

Trouble urinating and emptying the bladder all the way.

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Last Updated: May 21, 2024

An infection in any part of the urinary system, the kidneys, bladder or urethra.

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Last Updated: May 23, 2023

A type of cancer that begins in the uterus.

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Last Updated: Feb 16, 2024

Tightening of the uterus that occurs on and off and for a short time during pregnancy and becomes more regular and stronger during labor.

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Last Updated: Jul 29, 2023

Noncancerous growths of the uterus that often appear during the childbearing years.

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Last Updated: Oct 13, 2023

An inflammation of the middle layer of the eye (uvea).

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Last Updated: Jun 13, 2017

V

Bleeding from the vagina that isn't linked to usual menstrual periods.

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Last Updated: Aug 8, 2023

Cancer that starts in the vagina.

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Last Updated: Oct 27, 2023

A mix of fluid and cells from the vagina that can be white and sticky or clear and watery and can have an odor.

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Last Updated: Mar 6, 2024

The passage of gas through the vagina, often triggered by exercise, posture changes or sex.

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Last Updated: Mar 29, 2024

An inflammation of the vagina that can result in discharge, itching and pain.

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Last Updated: Feb 27, 2024

An infection caused by coccidioides fungal spores.

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Last Updated: Dec 19, 2023

A condition in which veins become larger inside the loose pouch of skin that holds the testicles, called the scrotum.

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Last Updated: Feb 15, 2024

Twisted, swollen veins, most commonly appearing in the legs and feet.

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Last Updated: Jan 25, 2024

Brain damage caused by multiple strokes.

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Last Updated: May 26, 2018

A swelling of the blood vessels that causes changes in the blood vessel walls.

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Last Updated: Jun 30, 2023

A widening of blood vessels, usually near the surface of skin, leading to increased blood flow with flushing or warmth.

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Last Updated: Aug 18, 2023

A sudden drop in heart rate and blood pressure, often in reaction to a stressful trigger.

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Last Updated: Jun 13, 2017

Fainting caused by an overreaction to certain triggers.

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Last Updated: May 24, 2018

A condition in which a blood clot blocks one or more veins.

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Last Updated: Aug 29, 2023

A wound on the leg or ankle caused by abnormal or damaged veins.

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Last Updated: Jan 8, 2020

An irregular heart rhythm that results in a rapid and erratic heartbeat.

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Last Updated: Jun 13, 2017

A heart defect in which there's an opening in the heart between the lower chambers.

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Last Updated: Jun 13, 2017

A potentially life-threatening heart rhythm disorder in which the heart beats about 100 or more times a minute.

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Last Updated: Mar 6, 2024

The sudden sense of spinning or the inside of the head spinning.

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Last Updated: Nov 9, 2022

A noncancerous tumor on the main nerve leading from the inner ear to the brain.

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Last Updated: Jun 13, 2017

Any of a group of infectious diseases that affect many of the body's organs and may lower the blood's ability to clot.

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Last Updated: May 25, 2024

An inflammation of the membranes surrounding the brain and spinal cord.

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Last Updated: Jun 13, 2017

A systemic disease, also called kala-azar, caused by a parasite that is spread through the bite of infected sand flies.

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Last Updated: Mar 23, 2024

The ability to visually identify forms, letters and symbols at a standardized distance away.

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Last Updated: May 25, 2018

When the body doesn't have enough vitamin A to work properly.

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Last Updated: Mar 19, 2024

A condition in which the body has too little vitamin B-12, a nutrient that is needed to make red blood cells and DNA.

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Last Updated: Jan 10, 2024

A disease that causes the loss of skin color in patches.

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Last Updated: Oct 12, 2023

An obstruction due to twisting or knotting of the gastrointestinal tract.

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Last Updated: Jun 13, 2017

Forcefully expelling the stomach's contents out of the mouth.

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Last Updated: Mar 9, 2024

A bleeding disorder caused by low levels of clotting protein, called von Willebrand factor, in the blood.

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Last Updated: Jun 24, 2023

A cancer that begins as a growth of cells on the outer surface area of the female genitals.

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Last Updated: Apr 2, 2024

Ongoing pain around the opening of the vagina for which the cause isn't known.

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Last Updated: Aug 1, 2023

W

A small, fleshy bump on the skin or mucous membrane caused by human papillomavirus.

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Last Updated: Oct 18, 2023

A condition that occurs from drinking too much water, upsetting electrolyte balances.

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Last Updated: Mar 20, 2024

An accumulation of fluid in body tissues and cavities.

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Last Updated: May 24, 2018

Diseases caused by various organisms that spread through water.

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Last Updated: Mar 19, 2024

Decreased muscle strength.

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Last Updated: May 24, 2018

Adding pounds to the body, usually either from eating too much, not moving enough or both.

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Last Updated: Dec 30, 2022

Loss of weight that may or may not be on purpose.

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Last Updated: Jun 24, 2023

An illness caused by a virus that mosquitoes spread.

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Last Updated: Oct 14, 2023

An allergy to foods containing wheat.

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Last Updated: Jun 13, 2017

A high-pitched whistling sound made while breathing.

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Last Updated: May 25, 2018

A neck injury that can happen when the head suddenly moves backward and then forward.

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Last Updated: May 30, 2024

A kidney cancer that mainly affects children ages 3 to 4.

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Last Updated: Mar 16, 2024

An inherited disorder that causes too much copper to accumulate in the organs.

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Last Updated: Jun 13, 2017

A heart condition present at birth in which an extra heart signaling pathway causes a rapid heartbeat.

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Last Updated: Dec 9, 2023

An injury, damage, or trauma to the body, ranging from minor to life-threatening.

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Last Updated: Sep 21, 2023

A line, crease, or a fold in the skin.

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Last Updated: Dec 12, 2023

Discomfort in the wrist area, usually caused by injury or long-term conditions.

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Last Updated: Jun 24, 2023

X

A condition that makes the skin look and feel rough, itchy, flaky or scaly.

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Last Updated: Aug 31, 2023

An unusually dry mouth, often caused by medication.

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Last Updated: May 26, 2018

Y

A deep breath of air through the mouth that is done without choice and often is triggered by sleepiness.

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Last Updated: Mar 29, 2024

A chronic infection caused by bacteria that affects the skin, bones and joints.

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Last Updated: Jan 9, 2024

A viral infection spread mainly by mosquito bites.

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Last Updated: Jul 25, 2023

I

A group of skin disorders that cause dry, scaly, or thick skin.

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Last Updated: Feb 16, 2024