"allergic reaction" | Definition and Related Words

Noun

is a type of: hypersensitivity reaction - an inappropriate and excessive reaction to an allergen (as pollen or dust or animal hair or certain foods); severity ranges from mild allergy to severe systemic reactions leading to anaphylactic shock
subtypes:
- food allergy - allergic reaction to a substance ingested in food
- atopic allergy, atopy, immediate allergy, type i allergic reaction - an allergic reaction that becomes apparent in a sensitized person only minutes after contact
- serum disease, serum sickness - a delayed allergic reaction to the injection of an antiserum caused by an antibody reaction to an antigen in the donor serum
- delayed allergy, type iv allergic reaction - an allergic reaction that becomes apparent only hours after contact
same as: allergy