Metformin (Systemic)

Brand Names : Glucophage, Glucophage XR, Apo-Metformin, Gen-Metformin, Glycon, Novo-Metformin, Nu-Metformin

Side Effects of This Medicine

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if the following side effect occurs :

Rare

Lactic acidosis (quick and severe), including diarrhea, fast shallow breathing, muscle pain or cramping, unusual sleepiness, unusual tiredness or weakness

Check with your doctor as soon as possible if the following side effect occurs :

Rare

Low blood sugar (mild), including anxious feeling, behavior change similar to being drunk, blurred vision, cold sweats, confusion, cool pale skin, difficulty in concentrating, drowsiness, excessive hunger, fast heartbeat, headache, nausea, nervousness, nightmares, restless sleep, shakiness, slurred speech

Other side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. However, check with your doctor if any of the following side effects continue or are bothersome:

More common

Loss of appetite; metallic taste in mouth; passing of gas; stomachache; vomiting; weight loss

Other side effects not listed above may also occur in some patients. If you notice any other effects, check with your doctor.