Glucophage (metformin) is used in patients with type 2 (non-insulin-dependent) diabetes. Includes Glucophage side effects, interactions and indications. Zocor (simvastatin) is a drug prescribed to reduce triglycerides, total cholesterol (LDL), and increasing HDL cholesterol. Common side effects of Zocor include diarrhea, vomiting, headache, and abdominal pain. Zocor belongs to the drug class of Statins. Uses and dosage information are provided. Metformin is a prescription drug used to treat type 2 diabetes. Learn about side effects, drug interactions, dosages, warnings, and more. Side Effects. Nausea, vomiting, stomach upset, diarrhea, weakness, or a metallic taste in the mouth may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly. Metformin (Glucophage, Glucophage XR, Glumetza, Fortamet, Riomet) is a prescription drug used for treating type 2 diabetes in adults and children. Side effects, storage and dosing information, drug interactions, and pregnancy safety are provided. Common Side Effects of Metformin. You should tell your doctor if any of the following symptoms are severe, do not go away, go away and then return, or occur after some time: Find patient medical information for Glucophage Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. USE IN SPECIFIC POPULATIONS. Pregnancy. Risk Summary Limited data with Glucophage/Glucophage XR in pregnant women are not sufficient to determine a drug-associated risk for major birth defects or miscarriage. Metformin Side Effects: Summary You may experience some or none of the metformin side effects explained above. Unfortunately, there is no way for your healthcare provider to know beforehand if you will have side effects from a medicine that you have never tried. Although most people tolerate metformin well, there are some potential side effects of the medication. Some examples of common metformin side effects include diarrhea, nausea, and gas.