Metformin is a prescription medication that is used to treat type 2 diabetes. It helps to control blood sugar by decreasing the amount of sugar that is produced in the liver, increasing the sensitivity of insulin receptors and limiting the amount of sugar that is absorbed by the body from food. It may be combined with other treatments like insulin. This medication is used in conjunction with exercise and diet.
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Stacy Wiegman, PharmD, Pharmacy, answered
American Diabetes Association answeredMetformin is an oral medicine used to treat type 2 diabetes. It lowers blood glucose by reducing the amount of glucose produced by the liver and helping the body respond better to the insulin made in the pancreas. It belongs to the class of medicines called biguanides. (Brand names: Glucophage, Glucophage XR; an ingredient in Glucovance)