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allergy

Pronunciation: al′er-jē

Definition:

  1. Hypersensitivity caused by exposure to a particular antigen (allergen) resulting in a marked increase in reactivity to that antigen on subsequent exposure, sometimes resulting in harmful immunologic consequences.
  2. That branch of medicine concerned with the study, diagnosis, and treatment of allergic manifestations.
  3. An acquired hypersensitivity to certain drugs and biologic materials.

Synonym(s): acquired sensitivity, induced sensitivity

[G. allos, other, + ergon, work]

See Also: allergic reaction, anaphylaxis, immune

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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