title: Allergic drug eruption from pyrazolone compounds.
mesh_terms: D003429:Cross Reactions; D003875:Drug Eruptions / Q000209:etiology*; D005260:Female; D006801:Humans; D008875:Middle Aged; D010328:Patch Tests; D010653:Phenylbutazone / Q000009:adverse effects*
chemical_list: D010653:Phenylbutazone