Talk with your doctor or pharmacist about whether the dose of your other diabetes medication(s) needs to be lowered. Low blood sugar may occur if this drug is prescribed with other diabetes medications. Metformin does not usually cause low blood sugar ( hypoglycemia). Many people using this medication do not have serious side effects. Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. Stomach symptoms that occur after the first days of your treatment may be signs of lactic acidosis. If stomach symptoms return later (after taking the same dose for several days or weeks), tell your doctor right away. If any of these effects last or get worse, tell your doctor or pharmacist promptly. Nausea, vomiting, stomach upset, diarrhea, weakness, or a metallic taste in the mouth may occur. Your dosage/treatment may need to be changed. Tell your doctor if your blood sugar measurements are too high or too low. Keep track of the results, and share them with your doctor. If you are already taking another diabetes drug (such as chlorpropamide), follow your doctor's directions carefully for stopping/continuing the old drug and starting metformin.Ĭheck your blood sugar regularly as directed by your doctor. Remember to use it at the same times each day. Take this medication regularly in order to get the most benefit from it. Follow your doctor's instructions carefully. To reduce your risk of side effects (such as upset stomach), your doctor may direct you to start this medication at a low dose and gradually increase your dose. Be sure to tell your doctor and pharmacist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products). The dosage is based on your medical condition, response to treatment, and other medications you may be taking. Drink plenty of fluids while taking this medication unless otherwise directed by your doctor. Take this medication by mouth as directed by your doctor, usually 1 to 3 times a day with meals.

If you have any questions, consult your doctor or pharmacist. Read the Patient Information Leaflet if available from your pharmacist before you start taking metformin and each time you get a refill.

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