May be potentiated by pramlintide acetate, insulin, ACE inhibitors, H2 receptor antagonists, fibrates, propoxyphene, pentoxifylline, somatostatin analogs, anabolic steroids and androgens, cyclophosphamide, phenyramidol, guanethidine, fluconazole, sulfinpyrazone, tetracyclines, clarithromycin, disopyramide, quinolones, NSAIDs, highly protein bound drugs (eg, fluoxetine), oral miconazole (possibly), salicylates, sulfonamides, warfarin, chloramphenicol, probenecid, MAOIs., May be antagonized by danazol, glucagon, somatotropin, protease inhibitors, atypical antipsychotics, barbiturates, diazoxide, laxatives, rifampin, thiazides, diuretics, corticosteroids, phenothiazines, thyroid products, phenytoin, niacin, sympathomimetics, isoniazid, estrogens, oral contraceptives. Monitor closely for hypoglycemia when concomitant drugs that affect glucose metabolism and upon withdrawal. Caution with CYP2C9 inhibitors (eg, fluconazole) or inducers (eg, rifampin). May be potentiated or antagonized by β-blockers, clonidine, reserpine, alcohol., colesevelam può essere antagonizzato; somministrare glimepiride ≥4 ore prima di colesevelam. Sono state riportate reazioni di disulfiram con altre sulfoniluree. Monitorare per 1-2 settimane se si trasferisce da sulfoniluree a lunga durata d’azione.