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Abdominal pain: Symptom — Overview covers definition, causes of abdominal pain, including lower abdominal pain.

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Last Updated: Jul 3, 2021

Anal pain: Symptom — Overview covers definition, possible causes of this common symptom.

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Last Updated: Oct 15, 2021

Learn about the possible causes of this type of pain and what to do about it.

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Last Updated: Apr 4, 2023

Arm pain: Symptom — Overview covers definition, possible causes of this symptom.

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Last Updated: Apr 27, 2023

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A problem in any part of your spine can cause back pain. Here's a look at some of the causes of this common symptom.

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Last Updated: Sep 17, 2022

Learn what can cause a curved erection and when you may need to see a doctor.

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Last Updated: Jun 3, 2022

Learn what may cause vaginal bleeding during pregnancy and when you should see a doctor about it.

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Last Updated: Jan 20, 2022

Blood clots: Symptom — Overview covers definition, possible causes of this symptom.

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Last Updated: Feb 25, 2021

Finding blood in your semen can be alarming, but the cause is usually benign. Find out possible causes and when to see a doctor.

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Last Updated: Nov 19, 2022

Learn more about these abnormal areas sometimes seen incidentally during brain imaging.

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Last Updated: Jan 11, 2018

Most breast calcifications are benign. Find out more about what can cause them, what they look like, and when to see a doctor.

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Last Updated: Mar 16, 2023

A breast lump could be due to something harmless. Or it could be cancer. Learn breast lump causes and find out when you need to see a health care provider.

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Last Updated: Mar 1, 2023

Overview covers definition, possible causes of breast rashes.

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Last Updated: Mar 24, 2022

Burning feet: Symptom — Overview covers definition, possible causes and when to see a doctor for this often nerve-related symptom.

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Last Updated: Jan 11, 2018

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Cold hands may not be cause for concern. But persistent cold hands may be due to a blood vessel or nerve problem. Learn about the possible causes.

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Last Updated: Jun 23, 2022

Cough: Symptom — Your body's response when something irritates your throat or airways and possible causes of this symptom.

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Last Updated: Jun 13, 2020

Coughing up blood: Symptom — Comprehensive overview covers possible causes of coughing up blood.

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Last Updated: Apr 7, 2018

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Overview covers causes, remedies for this common symptom.

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Last Updated: Sep 18, 2021

Diarrhea: Symptom — Overview covers definition, causes of acute and chronic diarrhea.

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Last Updated: Jul 14, 2021

What does it mean if you have bouts of dizziness? Learn about the many possible causes, and when to seek treatment.

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Last Updated: Dec 3, 2022

It's possible for men to reach sexual climax without ejaculating. Learn about the possible causes.

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Last Updated: Nov 30, 2022

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Elbow pain: Symptom — Overview covers definition, possible causes of this symptom.

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Last Updated: Apr 29, 2023

Inflamed liver cells can leak abnormal amounts of liver enzymes into the bloodstream. The symptom is often mild and temporary.

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Last Updated: Jan 6, 2022

Learn more about a condition in which white blood cell counts are elevated beyond normal limits.

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Last Updated: Sep 21, 2021

Excessive sweating: Symptom — Overview covers definition, possible causes of this symptom.

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Last Updated: Aug 25, 2022

Have a burning, itching or throbbing eye? Find out possible causes of eye pain and when it's time to call the doctor.

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Last Updated: Mar 3, 2023

Most people experience eye twitching now and then, but it's not always harmless. Find out when these spasms might mean something more serious.

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Last Updated: Feb 11, 2023

F

Many conditions and lifestyle factors can cause this common symptom.

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Last Updated: Feb 11, 2023

Learn the possible causes of this symptom and what to do about it.

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Last Updated: Apr 5, 2023

Many things can trigger frequent bowel movements. Find out what may be causing your extra bathroom trips and when it's time to call your health care provider.

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Last Updated: Nov 4, 2022

Learn what can make you urinate more than usual and what signs might mean it's because of something serious.

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Last Updated: May 19, 2023

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Learn about the possible causes of green stools in adults and infants.

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Last Updated: Jun 11, 2022

Learn more about the causes and symptoms of groin pain, including when to see a doctor and how you can treat it at home.

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Last Updated: Jan 27, 2023

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Headache: Symptom — Overview covers definition, possible causes of this painful symptom.

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Last Updated: Jun 3, 2020

Learn about possible causes of this common symptom and what to do about it.

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Last Updated: Apr 5, 2023

What does it mean if you have high blood proteins? Learn about the role proteins play in your body and the possible causes of this blood test result.

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Last Updated: Nov 30, 2022

An above-normal level of hemoglobin in your blood usually occurs when your body needs more oxygen, often because you smoke or live at high altitude.

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Last Updated: Nov 29, 2022

What does it mean if you have high potassium? Learn about the role potassium plays in your body and the possible causes of this blood test result.

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Last Updated: Nov 8, 2022

Learn the possible causes of too many oxygen-transporting cells.

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Last Updated: Feb 10, 2023

Find out possible causes of having too much uric acid in the blood.

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Last Updated: Dec 14, 2022

Learn the causes of this increase in disease-fighting cells in the blood.

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Last Updated: Dec 15, 2022

Hip pain: Symptom — Overview covers definition, possible causes of hip joint pain.

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Last Updated: May 20, 2021

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This frequently uncomfortable symptom is part of normal digestion. Find out when it might be cause for concern.

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Last Updated: Jul 13, 2021

J

Pain in a joint can be a symptom of many illnesses. Most often it's caused by some type of arthritis.

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Last Updated: Apr 5, 2023

K

Find out how this type of pain may feel and what health problems can cause it.

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Last Updated: Apr 11, 2023

Knee pain: Symptom — Overview covers definition, possible causes of knee joint pain.

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Last Updated: May 20, 2021

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Leg pain: Symptom — Overview covers definition, possible causes of this symptom.

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Last Updated: Apr 25, 2023

A common sign of fluid retention, leg swelling might be from standing or sitting too long. Or it might indicate a more serious condition.

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Last Updated: Mar 5, 2022

Learn about the definition and possible causes of loss of smell (anosmia).

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Last Updated: Jul 31, 2021

Learn causes of low blood oxygen and find out when to call your doctor.

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Last Updated: Mar 24, 2023

A low hemoglobin count on a blood test could be normal for you, or it could indicate that you have a condition that needs medical attention.

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Last Updated: May 24, 2022

Low potassium (hypokalemia): Symptom — Overview covers what can cause this blood test result.

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Last Updated: Jun 23, 2022

Learn the causes of this decrease in disease-fighting cells in the blood.

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Last Updated: Dec 10, 2022

A temporary increase in certain white blood cells, called lymphocytes, is normal after an infection. Too high a count can mean something more serious.

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Last Updated: Jul 22, 2021

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Muscle pain: Symptom — Overview covers definition, possible causes of this symptom.

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Last Updated: Apr 27, 2023

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Learn more about what can cause a stuffy nose and how to relieve it.

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Last Updated: Mar 2, 2023

Motion sickness and drinking alcohol are among the many common causes of nausea and vomiting. Serious diseases can also have this effect.

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Last Updated: Apr 8, 2022

Stress, strain and sitting for long hours at a computer are some of the many causes of this common pain.

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Last Updated: Aug 31, 2022

Neutropenia: Symptom — Overview covers definition, possible causes of a lack of certain white blood cells.

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Last Updated: Nov 24, 2022

Find out about this common nighttime pain in the calf, foot or thigh and how to ease it.

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Last Updated: Mar 2, 2023

Learn what conditions and medications might cause these sleep-disturbing sweats.

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Last Updated: Mar 5, 2022

Fluid leaking from the nipples isn't usually a sign of breast cancer. Learn more about the possible causes and when to see a doctor.

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Last Updated: Dec 4, 2021

Nosebleeds: Symptom — Comprehensive overview covers definition, possible causes of nosebleeds.

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Last Updated: Sep 13, 2022

Trauma, nervous system disorders and chronic diseases are some of the possible causes of this common symptom.

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Last Updated: May 4, 2023

Infections, chronic health conditions and neurologic disorders are possible causes of this loss of feeling in hands.

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Last Updated: Jun 12, 2021

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Learn about possible causes for pain, burning or other discomfort during urination and when you might need to see a doctor.

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Last Updated: Dec 3, 2022

Overview covers definition and possible causes of peeling skin. Includes photos

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Last Updated: Jun 21, 2022

Pelvic pain can be dull or sharp, constant or intermittent. Learn about possible causes and when to see a doctor.

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Last Updated: Jul 3, 2021

Petechiae: Symptom — Overview covers definition, possible causes of this skin symptom.

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Last Updated: Jun 25, 2021

Learn about possible causes of elevated protein levels in urine tests.

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Last Updated: May 5, 2022

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Blood in your stool, on the toilet paper or in the toilet bowl can have various causes. See your doctor if it lasts more than a day or two.

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Last Updated: Jan 6, 2022

This eye condition often looks much worse than it feels. Find out possible causes of inflamed, irritated eyes and when to call the doctor.

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Last Updated: Mar 10, 2023

Learn more about how to treat this common symptom and when to see a health care provider.

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Last Updated: Apr 7, 2023

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Problems breathing can come on suddenly or last for weeks or longer. Most cases are due to heart or lung conditions, but there are many other causes.

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Last Updated: Jun 13, 2020

Shoulder pain: Symptom — Comprehensive overview covers definition, possible causes of pain in the shoulder.

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Last Updated: May 20, 2021

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If you're experiencing this symptom, an injury or underlying condition may be the culprit.

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Last Updated: Oct 19, 2021

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Unexplained weight loss has many causes — some serious. Find out when losing weight without trying calls for a medical evaluation.

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Last Updated: Aug 17, 2022

Unusual urine odor might be an indicator of an underlying disease or condition.

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Last Updated: Sep 21, 2021

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Bleeding from your vagina that's different from your period might signal a problem. Learn about possible causes and when you should see a doctor.

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Last Updated: May 2, 2023

Vaginal bleeding after sex might not require a doctor's visit, but if you're postmenopausal, contact your doctor to find out the cause of vaginal bleeding.

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Last Updated: Jan 11, 2023

Learn what to expect when it comes to vaginal discharge. And know when changes in discharge might mean you should see a health care provider.

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Last Updated: Apr 25, 2023

Make an appointment with your doctor if vaginal dryness is causing you discomfort.

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Last Updated: Feb 1, 2023

Learn about causes of unpleasant or unusual odor from the vagina and when to seek care.

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Last Updated: Feb 25, 2022

Vomiting blood can be a symptom of a number of serious conditions. Find out what it could mean.

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Last Updated: Mar 18, 2022

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Watery eyes: Symptom — Overview covers definition, possible causes of excess tearing.

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Last Updated: Jun 11, 2022

Wheezing: Symptom — Overview covers definition, possible causes of this symptom.

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Last Updated: Jan 11, 2018

White tongue: Symptom — Learn about the definition and possible causes of this usually harmless symptom.

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Last Updated: Feb 3, 2018

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Yellow tongue: Symptom — Overview covers definition and possible causes of a yellow tongue.

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Last Updated: Mar 15, 2018