Products
Phenformin has been off the market in many countries since the late 1970s because of the potential adverse effects.
Structure and properties
Phenformin (C10H15N5, Mr = 205.3 g/mol) is a biguanide with a similar structure to metformin. Phenformin was the first agent in this group of drugs.
Effects
Phenformin (ATC A10BA01) has antidiabetic and antihyperglycemic properties.
Indications
For the treatment of type 2 diabetes mellitus.
Adverse effects
Phenformin induces lactic acidosis comparatively frequently and has therefore been withdrawn from the market in many countries.