Increased hypoglycaemic effect w/ miconazole (systemic route, oromucosal gel) & phenylbutazone (systemic route). Avoid alcohol or medicines containing alcohol. Potentiation of blood glucose lowering effect w/ other anti-diabetic agents (insulins, acarbose, metformin, thiazolidinediones, dipeptidyl peptidase-4 inhibitors, GLP-1 receptor agonists), β-blockers, fluconazole, ACE inhibitors (captopril, enalapril), H
2-receptor antagonists, MAOIs, sulphonamides, clarithromycin & NSAIDs. May increase blood glucose levels w/ danazol. Reduced insulin release w/ high doses of chlorpromazine. Increased blood glucose levels w/ possible ketosis w/ glucocorticoids (systemic & local route: IA, cutaneous & rectal prep) & tetracosactrin. Increase blood glucose levels due to β
2 agonist effects w/ ritodrine, salbutamol, terbutaline (IV). Decreased exposure w/ St. John's wort prep. May cause dysglycaemia w/ fluoroquinolones. Potentiation of anticoagulation w/ warfarin.