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 • Hypernyms: hypersensitivity • Hyponyms: urtication, urticaria, hives, nettle rash, allergy, allergic reaction, anaphylaxis, allergic rhinitis
|
|