Anaphylaxis definition

Anaphylaxis

Topics Anaphylaxis Definition

WordNet

(1) Hypersensitivity reaction to the ingestion or injection of a substance (a protein or drug) resulting from prior contact with a substance

WiktionaryText

Extreme sensitivity to a substance such as a foreign protein or drug.
A severe and rapid systemic allergic reaction to an allergen, causing a constriction of the trachea, preventing breathing; anaphylactic shock.