The main goal of treating diabetes is to lower your blood sugar to normal level. At the end of each week of the first weeks of the trial, these patients had their dosages of GLUCOPHAGE increased by 500 mg if they had aby metformin cheap failed to reach target fasting plasma glucose. Times greater than creatinine clearance, which indicates that tubular secretion is the major route of metformin elimination. However, low blood sugar may occur, especially if you take other medications for diabetes, drink large amounts of alcohol, do unusually heavy exercise, or do not consume enough calories from food. Severe congestive heart failure, recent heart attack, recent stroke heavy alcohol use, severe loss of body fluids dehydration X-ray or scanning procedures that require an injectable iodinated contrast drug, recent surgery, or serious infection.