anaphylaxis

/ænˈæfɪləkˌsɪs/

Definitions

1. noun

a severe, potentially life-threatening allergic reaction, often triggered by exposure to a specific allergen

“The patient exhibited symptoms of anaphylaxis after eating a peanut butter sandwich.”

2. noun

a condition in which the body produces an excessive amount of histamine, leading to a range of symptoms

“She was diagnosed with anaphylaxis and is now taking medication to manage her condition.”

Synonyms

  • allergic reaction
  • anaphylactic shock

Antonyms

  • immunity
  • tolerance