Allopurinol potentiates the action of:
High-Yield Explanation
Allopurinol: used for chronic gout Reduces uric acid synthesis by competitively inhibiting xanthine oxidase Allopurinola Alloxanthine a noncompetitive inhibitor of xanthine oxidase ESSENTIALS OF MEDICAL PHARMACOLOGY;7TH EDITION;KD TRIPATHI;PAGE NO 216