Symptoms

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

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

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

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

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

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

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

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

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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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Breast lump: Symptom — Overview covers definition, possible causes of this breast disease symptom.

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Overview covers definition, possible causes of breast rashes.

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

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

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

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

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Overview covers causes, remedies for this common symptom.

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

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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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Dry orgasm occurs when a man reaches sexual climax without ejaculating. Learn about the possible causes of dry orgasm.

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

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

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

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

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

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

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Having frequent bowel movements (several formed bowel movements each day) is often a symptom of thyroid disease, but may have another cause.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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Vaginal dryness is a common, often uncomfortable condition. Learn about possible causes and when to see a doctor.

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

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

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

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

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

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

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