Pharmacology Choose the correct statement about allopurinol A) It is a purine antimetabolite with antineoplastic activity B) It is a competitive inhibitor of xanthine oxidase C) It is inactive itself, but its metabolite alloxanthine is a competitive inhibitor of xanthine oxidase D) Both allopurinol as well as its metabolite alloxanthine are noncompetitive inhibitors of xanthine oxidase Detailed Solution: No Details Prev Next