 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  Throw away the unused medication after treatment is completed. Do not use it later for another infection unless your doctor tells you to. If you are using this medication for 10 days or more, lab and/or medical tests (such as eye exams) should be done while you are using this medication. Keep all medical and lab appointments. Consult your doctor for more details.  Missed Dose If you miss a dose, use it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Use your next dose at the regular time. Do not double the dose to catch up.  Storage Store at room temperature away from heat. Do not store in the bathroom. Keep all medications away from children and pets. Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.The uses of Riomet ER Oral: Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar in people with type 2 diabetes. Controlling high blood sugar helps prevent kidney damage, blindness, nerve problems, loss of limbs, and sexual function problems </s>