May enhance &/or prolong hypoglycaemic effect w/ gemfibrozil, trimethoprim, rifampicin, ketoconazole, itraconazole, clarithromycin, ciclosporin, deferasirox, clopidogrel, other antidiabetic agents, MAOIs, nonselective β-blockers, ACE inhibitors, salicylates, NSAIDs, octreotide, alcohol & anabolic steroids. Reduce hypoglycemic effect w/ OCs, rifampicin, barbiturates, carbamazepine, thiazides, corticosteroids, danazol, thyroid hormones & sympathomimetics.