Provides information about allergies. Find out the difference between allergy symptoms and a cold, or how to reduce allergens like pollen, mold, and dust mites. Presented by Aventis Pharmaceuticals Inc.

From the Health On the Net Foundation.

Information, articles and news for patients and physicians.

Provides information on symptoms, medication, and treatment.

Harvard Medical School-reviewed health information on allergy symptoms, causes, treatment, medications and prevention.