This is normal and will not make the medicine less effective. Part of this shell may appear in your stool. Some tablets are made with a shell that is not absorbed or melted in the body. Use the dosing syringe provided, or use a medicine dose-measuring device (not a kitchen spoon). Shake the oral suspension (liquid) before you measure a dose.
Follow your doctor's instructions.ĭo not crush, chew, or break an extended-release tablet. Some forms of metformin are taken only once daily with the evening meal. Take metformin with a meal, unless your doctor tells you otherwise. Your doctor may occasionally change your dose.
Some forms of metformin are not approved for use by anyone younger than 18 years old.įollow all directions on your prescription label and read all medication guides or instruction sheets. Metformin should not be given to a child younger than 10 years old. You should not breastfeed while using this medicine. Metformin may stimulate ovulation in a premenopausal woman and may increase the risk of unintended pregnancy. Controlling diabetes is very important during pregnancy, and having high blood sugar may cause complications in both the mother and the baby. Ask your doctor about your risk.įollow your doctor's instructions about using this medicine if you are pregnant or you become pregnant. This may be more likely if you have other medical conditions, a severe infection, chronic alcoholism, or if you are 65 or older. You may develop lactic acidosis, a dangerous build-up of lactic acid in your blood. if you also use insulin, or other oral diabetes medications.heart disease, congestive heart failure.high ketone levels in your blood or urine.kidney disease (your kidney function may need to be checked before you take this medicine).Be sure your caregivers know ahead of time that you are using this medication. If you need to have surgery or any type of x-ray or CT scan using a dye that is injected into your veins, you may need to temporarily stop taking metformin. metabolic acidosis or diabetic ketoacidosis (call your doctor for treatment).You should not use metformin if you are allergic to it, or if you have: