Severe urticaria and angioedema resulting from phenylbutazone (butazolidin).
D000700:Analgesics / Q000009:adverse effects*; D000799:Angioedema / Q000209:etiology*; D010653:Phenylbutazone; D014581:Urticaria / Q000209:etiology*
D000700:Analgesics; D010653:Phenylbutazone
ANALGESICS/injurious effects; ANGIONEUROTIC EDEMA/etiology and pathogenesis; URTICARIA/etiology and pathogenesis