Introduction Cetapin XR 500mg Tablet is a medicine used to treat type 2 diabetes mellitus. It helps control blood sugar levels and thus prevent serious complications of diabetes. It is also used to treat menstruation related disorder known as Polycystic ovary syndrome (PCOS) in women. Cetapin XR 500mg Tablet is best taken with food to avoid nausea and abdominal pain. You should take it regularly, at the same time each day, to get the most benefit. You should not stop taking this medicine unless your doctor recommends it. Your lifestyle plays a big part in controlling diabetes. Therefore, it is important to stay on the diet and exercise program recommended by your doctor while taking this medicine. The most common side effects of this medicine include nausea, vomiting, taste change, diarrhea, abdominal pain, and loss of appetite. Some people may develop hypoglycemia (low blood sugar level) when this medicine is taken along with other antidiabetic medicines, alcohol, or upon skipping a meal. Monitor your blood sugar levels regularly while taking it.