Symptoms

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

Learn more

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

Learn more

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

Learn more

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

Learn more

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.

Learn more

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

Learn more

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

Learn more

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

Learn more

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

Learn more

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

Learn more

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

Learn more

A breast lump can result from a harmless condition. Or it could be cancer. Understand breast lump causes and when you need to see a doctor.

Learn more

Overview covers definition, possible causes of breast rashes.

Learn more

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

Learn more

Cold hands: Symptom — Learn about the possible causes of this uncomfortable condition.

Learn more

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

Learn more

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

Learn more

Overview covers causes, remedies for this common symptom.

Learn more

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

Learn more

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

Learn more

Dry orgasm in men occurs when you reach sexual climax without ejaculating. Learn about the possible causes of dry orgasm.

Learn more

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

Learn more

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

Learn more

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

Learn more

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

Learn more

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

Learn more

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

Learn more

Fatigue can result from many conditions — such as fibromyalgia or sleep apnea — or lifestyle factors — such as alcohol use or medication side effects.

Learn more

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

Learn more

Find out what may be causing your extra bathroom trips for more-frequent bowel movements.

Learn more

Frequent urination: Symptom — Overview covers definition, possible causes of the need to urinate more than usual.

Learn more

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

Learn more

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

Learn more

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

Learn more

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

Learn more

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.

Learn more

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.

Learn more

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.

Learn more

High red blood cell count: Symptom —Overview covers possible causes of excessive oxygen-transporting cells.

Learn more

High uric acid level: Symptom — Overview covers definition, possible causes of this symptom.

Learn more

High white blood cell count: Symptom — Overview covers possible causes of increased disease-fighting cells.

Learn more

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

Learn more

Hypoxemia: Symptom — Overview covers definition, possible causes, treatment of low blood oxygen.

Learn more

Intestinal gas: Symptom — Overview covers definition, medical causes of this sometimes uncomfortable symptom.

Learn more

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

Learn more

Kidney pain: Symptom — Overview covers definition and causes of kidney pain.

Learn more

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

Learn more

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

Learn more

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

Learn more

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

Learn more

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.

Learn more

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

Learn more

Low white blood cell count: Symptom — Overview covers possible causes of decreased disease-fighting cells.

Learn more

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

Learn more

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

Learn more

Learn more about the possible causes of a stuffy nose and how to relieve it.

Learn more

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

Learn more

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

Learn more

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

Learn more

Night leg cramps: Symptom — Overview covers definition, possible causes of this painful symptom.

Learn more

Night sweats: Symptom — Overview covers definition and possible causes of night sweats.

Learn more

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.

Learn more

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

Learn more

Numbness: Symptom — Overview details the many possible causes of this nerve-related symptom.

Learn more

Numbness in hands: Symptom — Overview looks at what might cause this problem.

Learn more

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

Learn more

Peeling skin: Symptoms — Overview covers definition and possible causes of peeling skin.

Learn more

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

Learn more

Symptom — Overview covers definition, possible causes of this skin symptom of pinpoint spots.

Learn more

Learn about possible possible causes of protein in urine (proteinuria) and when to see a doctor.

Learn more

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.

Learn more

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

Learn more

Learn more about how to treat this common symptom and when to see your doctor.

Learn more

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.

Learn more

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

Learn more

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

Learn more

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

Learn more

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

Learn more

Vaginal bleeding that's unrelated to your period might signal a problem. Learn about possible causes and when you should see a doctor.

Learn more

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.

Learn more

Learn what's normal when it comes to vaginal discharge, and understand when changes in discharge might mean you should see a doctor.

Learn more

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

Learn more

Learn about possible causes of unpleasant vaginal odor and when you might need to see a doctor.

Learn more

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

Learn more

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

Learn more

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

Learn more

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

Learn more

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

Learn more