title: Allopurinol associated hypersensitivity.
mesh_terms: D000368:Aged; D000493:Allopurinol / Q000009:adverse effects*; D004342:Drug Hypersensitivity / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged
chemical_list: D000493:Allopurinol