anaphylaxis
noun
Meaning
A severe, potentially life-threatening allergic reaction that occurs rapidly after exposure to an allergen.
Examples
- The patient was rushed to the emergency room after experiencing signs of anaphylaxis following a bee sting.
- Doctors carry epinephrine auto-injectors to treat patients who are at risk of developing anaphylaxis.
Synonyms: allergic reaction, hypersensitivity, anaphylactic shock