anaphylaxis

Noun
  1. Hypersensitivity reaction to the ingestion or injection of a substance (a protein or drug) resulting from prior contact with a substance (synset 114557149)
    referred to in: drug - a substance that is used as a medicine or narcotic
    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: anaphylactic shock - a severe and rapid and sometimes fatal hypersensitivity reaction to a substance (especially a vaccine or penicillin or shellfish or insect venom) to which the organism has become sensitized by previous exposure

Other Searches