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.”