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

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 ...

Definition of ALLERGY. 1: altered bodily reactivity (as hypersensitivity) to an antigen in response to a first exposure <a bee venom allergy so severe that a second ...

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 ...

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

a hypersensitivity to a specific substance (such as a food, pollen, dust, etc.) or condition (as heat or cold) which in similar amounts or degrees is harmless to most ...

allergy /al·ler·gy/ (al´er-je) a hypersensitive state acquired through exposure to a particular allergen, reexposure bringing to light an altered capacity to react.

al·ler·gic (-lûr j k) adj. 1. Of, characterized by, or caused by an allergy: an allergic reaction to airborne pollen. 2. Having an allergy: allergic children ...

Definition By Mayo Clinic staff. Allergies occur when your immune system reacts to a foreign substance such as pollen, bee venom or pet dander. Your immune system produces ...

Find dictionary definitions, audio pronunciations, and spellings for allergy in the free online American Heritage Dictionary on Yahoo! Education

Definition of allergy in the Definitions.net dictionary. Meaning of allergy. What does allergy mean? Information and translations of allergy in the most comprehensive ...

Definition By Mayo Clinic staff. Food allergy is an immune system reaction that occurs soon after eating a certain food. Even a tiny amount of the allergy-causing food can ...

Food intolerance is a general term. While symptoms may be similar among food intolerances, testing, treatment and risks vary. For example, both a gluten allergy and ...

Patients with atopy also have a tendency to have food allergies. Patients with atopy usually develop what is referred to as the “allergic triad” of symptoms, i.e ...

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