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anaphylaxis Line breaks: ana|phyl¦axis
Pronunciation: /ˌanəfɪˈlaksɪs/

Definition of anaphylaxis in English:


[mass noun] Medicine
An acute allergic reaction to an antigen (e.g. a bee sting) to which the body has become hypersensitive.
Example sentences
  • Serious allergic reactions, including anaphylaxis, occur rarely, but timely intervention is crucial.
  • Table 7 provides a summary of symptoms of latex exposure and possible anaphylaxis for both conscious and anesthetized patients.
  • In addition, patients with previous reactions, including anaphylaxis, to the influenza vaccine should not be vaccinated.


Early 20th century: modern Latin, from Greek ana- 'again' + phulaxis 'guarding'.

Words that rhyme with anaphylaxis

axis, praxis, taxis
Definition of anaphylaxis in:
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