In-depth

Causes

Atopic dermatitis (eczema)

Drug allergy

Definition

Allergies and asthma

Prevention

Allergy-proof your home

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

Anaphylaxis

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

Bradycardia

Hives and angioedema

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

Nausea and vomiting

Runny nose

Shortness of breath

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

Wheezing

Tests and diagnosis

Allergy skin tests

Itching, sneezing and swelling: Find out what's causing your allergy symptoms.

Treatments and drugs

Allergy medications

Breast-feeding and medications

Prednisone risks, benefits

Aug. 14, 2014