Drug allergy.
D000707:Anaphylaxis; D004342:Drug Hypersensitivity; D064420:Drug-Related Side Effects and Adverse Reactions; D006801:Humans; D006967:Hypersensitivity / Q000209:etiology*; D007154:Immune System Diseases
ANAPHYLAXIS AND ALLERGY/etiology and pathogenesis; DRUGS/toxicity