Allergies are more common than ever, affecting up to 1 in 3 people. From basic concepts to in-depth discussion of specific allergic diseases, a board-certified allergist makes ...

Allergy is a disorder of the immune system often also referred to as atopy. Allergic reactions occur to environmental substances known as allergens; these reactions are acquired ...

Allergy information includes articles on allergies, symptoms, treatment, medications, food allergies, and allergy relief.

An allergy is a reaction of your immune system to something that does not bother most other people. People who have allergies often are sensitive to more than one thing.

Allergies affect nearly 20% of Americans. Here you'll find in-depth allergy information including treatments