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

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.

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

An allergy is an exaggerated immune response or reaction to substances that are generally not harmful.

Allergies — Comprehensive overview covers allergy symptoms, allergy testing, treatment of an allergic reaction.

Causes. Allergies are pretty common. Both genes and environmental factors play a role. The immune system normally protects the body against harmful substances, such ...

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 reactions, and ...

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

Sneezing, difficulty breathing, cramps, and vomiting–all are allergy symptoms. Learn the types of allergies, specific allergy symptoms, and emergency warning signs.

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 in the ...

Allergies — Comprehensive overview covers allergy symptoms, allergy testing, treatment of an allergic reaction.

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 allergy may ...

One of the oldest specialty societies in Canada, devoted to improve teaching, practice, co-operation and social interaction, and research in allergy and clinical immunology ...

noun, plural al·ler·gies. 1. an abnormal reaction of the body to a previously encountered allergen introduced by inhalation, ingestion, injection, or skin contact, often ...

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

allergy, hypersensitive reaction of the body tissues of certain individuals to certain substances that, in similar amounts and circumstances, are innocuous to other persons.