Metformin does not usually cause low metformin sugar (hypoglycemia). Contact your doctor if you drink serious side effects of Glucophage including shortness of breath, swelling or rapid weight gain, fever or chills, flu symptoms, muscle weakness, numb or cold feeling in your arms or legs, trouble breathing, dizziness, or slow or irregular heart rate.
Keep all medical appointments. Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects.
You will need to temporarily stop this medication metformin the time of your surgeryprocedure. Talk with your doctor or pharmacist about whether the dose of your other diabetic medication(s) needs to be lowered. Ask your doctor how to adjust your Glucophage dose if needed. A very serious allergic reaction to this drug is rare. Additionally fever, "water pills" (diuretics such as hydrochlorothiazide), too much sweating, diarrhea, or vomiting may cause loss of too much body water (dehydration) and increase your risk of lactic acidosis.
Symptoms of high blood sugar (hyperglycemia) include thirst, increased urination, confusion, drowsiness, flushing, rapid breathing, and fruity breath odor.
Check with your doctor or pharmacist to find out what you should do if you miss metformin meal. Glucophage XR (extended-release) should not be given to a child younger than 17 years old. Some people develop lactic acidosis while taking Glucophage. Stomach symptoms that occur after the first days of your treatment may be signs of lactic acidosis.