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Allergy

definition

Altered reactivity to an antigen, which can result in pathologic reactions upon subsequent exposure to that particular antigen.

synonyms

Allergy

UMLS

Allergic state, Allergies, Allergy, Allergy, unspecified, Allergy, unspecified, not elsewhere classified, Hypersensitivities, Hypersensitivity, Hypersensitivity reaction, Hypersensitivity, reaction

related

differential diagnoses