Glucophage (generic: metformin) is a prescription medication used to treat type 2 diabetes. Glucophage belongs to a group of drugs called biguanides, which work by helping your body respond better to the insulin it makes naturally, decreasing the amount of sugar your liver makes, and decreasing the amount of sugar your intestines absorb.

This medication comes in tablet form and can be taken up to 3 times a day with food.

Common side effects of Glucophage include diarrhea, nausea, and upset stomach.