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glossary:anaphylaxis [2012/10/16 14:40] (current)
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|+||Immediate hypersensitivity response to antigenic challenge, mediated by IgE and mast cells. It is a life-threatening allergic reaction, caused by the release of pharmacologically active agents.|
|+||Anaphylaxis is a rapidly progressing, life-threatening allergic reaction.|
|+||Anaphylaxis is a type of allergic reaction, in which the immune system responds to otherwise harmless substances from the environment. Unlike other allergic reactions, however, anaphylaxis can kill. Reaction may begin within minutes or even seconds of exposure, and rapidly progress to cause airway constriction, [[skin]] and intestinal irritation, and altered heart rhythms. In severe cases, it can result in complete airway obstruction, shock, and death.|
|+||See also: [[Anaphylactic reaction]] and [[Anaphylactoid reaction]] |