interactions: other hypoglycemic, ACE inhibitors, pentoxifylline, perhexiline, disopyramide, fibrates, fluoxetine, MAOIs, dextropropoxyphene, salicylates, sulfonamide, corticosteroids, danazol, diazoxide, diuretics, glucagon, isoniazid, phenothiazines, somatotropin, sympathomimetics, thyroid hormones, protease inhibitors, atypical antipsychotics, beta blockers, clonidine, lithium, pentamidine, guanethidine, reserpine, alcohol