


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. This effect is harmless because your body has already absorbed the medication. Stomach symptoms that occur after the first days of your treatment may be signs of lactic acidosis.Īn empty tablet shell may appear in your stool. 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 persist or worsen, 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 time 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. Swallow the whole or split tablet without crushing or chewing. Also, do not split the tablets unless they have a score line and your doctor or pharmacist tells you to do so. Doing so can release all of the drug at once, increasing the risk of side effects. Drink plenty of fluids while taking this medication unless otherwise directed by your doctor.ĭo not crush or chew this medication. Take this medication by mouth as directed by your doctor, usually once daily with the evening meal. 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.
