Metformin.svg

An oral hypoglycemic drug, C4H11N5, is usually used in its hydrochloride form, which decreases glucose production by the liver and increases peripheral glucose uptake, which is used to treat type 2 diabetes.
Adverse effects include diarrhea, nausea, and abdominal pain. It has a low risk of causing low blood sugar. High blood lactic acid level is a concern if the medication is used in overly large doses or prescribed in persons with severe kidney problems.

Synonyms
Glucophage