An allergy is a hypersensitivity disorder of the immune system. Allergic reactions occur when a person's immune system reacts to normally harmless substances in the ...

Featured Image. Picture of Psoriasis. A reddish, scaly rash often located over the surfaces of the elbows, knees, scalp, and around or in the ears, navel, genitals or ...

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 ...

The American Academy of Allergy, Asthma & Immunology (AAAAI) is an international professional organization with more than 6,500 members who have an a special interest ...

A food allergy is an adverse immune response to a food protein. They are distinct from other adverse responses to food, such as food intolerance, pharmacological ...

The term “food allergy” refers to adverse immunologic reactions to food. Food allergy is usually mediated by IgE antibody directed to specific food proteins, but ...

Latex allergy — Comprehensive overview covers symptoms and treatment of this dangerous but common allergy.

An allergy is an exaggerated immune response or reaction to substances that are generally not harmful. Allergies are pretty common. Both genes and ...

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

Allergies Definition. Allergies are abnormal reactions of the immune system that occur in response to otherwise harmless substances. Description

An overview of allergies: symptoms, diagnosis, treatment and management written and reviewed by leading experts in allergy, asthma and immunology.

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Overview of allergies, what they are and some of the common tests used to diagnose them

al·ler·gy (l r-j) n. pl. al·ler·gies. 1. An abnormally high sensitivity to certain substances, such as pollens, foods, or microorganisms. Common indications of ...

Get the facts about allergic reactions, causes, allergy types (food, dust, mold, seasonal), symptoms and signs (skin rash, itching, red bumps, sneezing).

Up to 50 million Americans, including millions of kids, have an allergy. Find out how allergies are diagnosed and how to keep them under control.