Glucophage (Metformin)

Side effects

The following side effects are most common and be rather severe to stop taking of the medication: swelling or rapid weight gain, nausea, vomiting, gas, bloating, diarrhea and loss of appetite. In case of lactic acidosis also get emergency medical help: weakness, increasing drowsiness, slow heartbeat, cold feeling, shortness of breath, abdominal pain, muscle pain, lightheadedness, and fainting. Allergic reaction is also possible: hives, swelling, rash.