Increased hypoglycemic effect w/ anabolic steroids; ACE inhibitors; H
2 antagonists, antacids, oral Na bicarbonate. Increased levels/effects w/ CYP2C8/9 inhibitors eg, delavirdine, fluconazole, gemfibrozil, ketoconazole, nicardipine, NSAIDs, pioglitazone, sulfonamides. Increased serum conc w/ cyclosporine; tacrolimus. Decreased hypoglycemic effect w/ β-blockers; ethanol; rifampin. Decreased absorption w/ cholestyramine. Decreased levels/effects w/ CYP2C8/9 inducers eg, carbamazepine, phenobarb, phenytoin, rifampin, rifapentine, secobarbital. Hyperglycemia w/ corticosteroids.