Do labels list the foods you're allergic to? Find out what's included — and what's not.
Find out what causes different types of abdominal pain.
Anaphylaxis is the most serious type of allergic reaction. It often occurs rapidly after exposure to an allergen and may be life-threatening.
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 — Comprehensive overview covers symptoms, causes, treatment of these common allergic disorders.
Foot pain? Headache? Sore throat? Skin rash? Use the Symptom Checker to find out what's causing your symptom.
Tests and diagnosis
Itching, sneezing and swelling: Find out what's causing your allergy symptoms.
Feb. 12, 2014
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