In-depth

Causes

Drug allergy

Drug allergy can occur with many medications. Find out what you can do to recognize and avoid potentially dangerous reactions.

Complications

Risk factors

Food allergy

Food allergy symptoms can make you miserable. Unfortunately, there's no cure — but there are steps you can take to keep your symptoms in check.

Symptoms

Abdominal pain

Find out what causes different types of abdominal pain.

Edema

Edema — swelling caused by excess fluid in tissues — can affect any part of your body. Treating the underlying cause is key to resolving edema.

Fatigue

Fatigue can signal many things. Here are some tips to help you decipher why you're wiped out and to regain your energy.

Nausea and vomiting

Sick to your stomach? Nausea and vomiting usually pass quickly but sometimes result from long-term or serious conditions.

Tests and diagnosis

Creatinine test

A creatinine test reveals important information about your kidneys. Find out what the results of this common blood test mean for you.

Urinalysis

Urinalysis can be used to assess your overall health, detect a wide range of disorders, or monitor a medical condition or treatment.

Treatments and drugs

Allergy shots

Regular allergy shots may not be your idea of a good time. But they're generally safe — and might provide the long-term allergy relief you need.

Anaphylaxis

First aid for a severe allergic reaction (anaphylaxis).

Anaphylaxis

First aid for a severe allergic reaction (anaphylaxis).

Jan. 16, 2013

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