In-depth

Anaphylaxis

Anaphylaxis is the most serious type of allergic reaction. It often occurs rapidly after exposure to an allergen and may be life-threatening.

Dermatitis

Dermatitis, an inflammation of the skin, can have many causes and occur in many forms. Here's how to recognize and treat this itchy skin disorder.

Diarrhea

Here's information about common causes of diarrhea and when to see your doctor.

Dizziness

Dizziness has many possible causes. The cause of dizziness may be simple, or dizziness may be a sign of a more serious disorder.

Gluten-free diet

Gluten-free recipes

Giving up gluten doesn't mean giving up taste. Check out these gluten-free recipes.

Hives and angioedema

Hives and angioedema — Comprehensive overview covers symptoms, causes, treatment of these common allergic disorders.

Nasal congestion

Nasal congestion: Causes and when to see a doctor.

Tachycardia

Tachycardia, a rapid heart rate, is caused by an abnormality in your heart's electrical impulses. Tachycardia can cause serious complications, including sudden cardiac arrest.

Watery eyes

Tearing that goes beyond a happy or sad moment can stem from a variety of causes, from hay fever to more serious conditions.

May. 17, 2014

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