In-depth

Alternative medicine

Acupuncture


Causes

Allergies

Prevention

Food allergies: Labels

Do labels list the foods you're allergic to? Find out what's included — and what's not.

Symptoms

Abdominal pain

Find out what causes different types of abdominal pain.

Anaphylaxis

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

Diarrhea

Diarrhea can have many triggers, including viruses, bacteria, parasites and certain medications. Though unpleasant, most cases of diarrhea go away without treatment.

Hives and angioedema

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

Nausea and vomiting

Symptom Checker

Foot pain? Headache? Sore throat? Skin rash? Use the Symptom Checker to find out what's causing your symptom.

Wheezing

Tests and diagnosis

Allergy skin tests

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

Feb. 12, 2014