Metformin HCl Oral Antidiabetic Drugs (Antidiabetic Preparations) Indication: Management of type 2 diabetes mellitus. Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar. It is used in patients with type 2 diabetes (non-insulin-dependent diabetes). Controlling high blood sugar helps prevent kidney damage, blindness, nerve problems, loss of limbs, … Read entire article »