No, metformin does not cause hair loss. Metformin is one of the first line of drugs for the treatment of diabetes. Its mode of action is to sensitize our body cells towards insulin soDoes metformin cause hairloss? Update Cancel. aoafOjdnnD sbiSBDCyWgNK nyDAgFjLolLXrxPniOgHSed UoOkrtDfZahg...