Anaphylaxis

Full definition of anaphylaxis

Noun

1. Extreme sensitivity to a substance such as a foreign protein or drug.
2. A severe and rapid systemic allergic reaction to an allergen, causing a constriction of the trachea, preventing breathing; anaphylactic shock.

Derived terms

• anaphylactic
• anaphylaxic
• anaphylactically
• anaphylactogenic
• anaphylactoid