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- Dictionaryanaphylaxis/ˌanəfɪˈlaksɪs/
noun
- 1. an acute allergic reaction to an antigen (e.g. a bee sting) to which the body has become hypersensitive.
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noun
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Severe allergic reaction
Anaphylaxis is a serious, potentially fatal allergic reaction and medical emergency that is rapid in onset and requires immediate medical attention regardless of the use of emergency medication on site. It typically causes more than one of the following: an itchy rash, throat closing due to swelling that can obstruct or stop breathing; severe tongue swelling that can also interfere with or stop br... Wikipedia