Enhanced hypoglycemic action w/ antidiabetic drugs eg, sulfonylureas, biguanides, thiazolidinediones, DPP-4 & α-glucosidase inhibitors, glinides, GLP-1 receptor agonists, insulin prep; β-blockers, salicylic acids, MAOIs, fibrates. Weakened hypoglycemic action by adrenaline, corticosteroid, thyroid hormone. Enhanced diuretic action w/ loop & thiazide diuretics. Positive urinary glucose & decreased serum 1,5-anhydroglucitol.