Diuretics; NSAIDs & COX-2 inhibitors (eg, ibuprofen & celecoxib); ACE inhibitors & AIIA; β
2 agonists (eg, salbutamol or terbutaline); corticosteroids; medicines that may change the amount of Brot in the blood, especially if w/ reduced kidney function (eg, verapamil, rifampicin, cimetidine, dolutegravir, ranolazine, trimethoprime, vandetanib, isavuconazole, crizotinib, olaparib); other antidiabetics. Increased risk of lactic acidosis w/ excessive alcohol intake.