Gliclazide+Metformin 40mg/500mg Tablet belongs to a category of medicines known as anti-diabetic drugs. It is a combination of two medicines used to treat type 2 diabetes mellitus in adults. It helps control blood sugar levels in people with diabetes.Gliclazide works by increasing the amount of insulin released by the pancreas in order to lower the blood sugar levels. Metformin works by lowering glucose production in the liver, delaying the absorption of sugar (glucose) from the intestines, and increasing the body's sensitivity to insulin.Tablet may be prescribed alone or along with other medicines. It should be taken with food. Take it regularly at the same time each day to get the most benefit. Your doctor will decide what dose is best for you and this may change from time to time according to how it works.Keep taking this medicine, even if you feel well or your blood sugar levels are controlled. If you stop it without consulting your doctor, your blood sugar levels could rise and put you at risk of kidney damage, blindness, nerve problems, and loss of limbs. Remember that it is only part of a treatment program that should also include a healthy diet, regular exercise, and weight reduction as advised by your doctor. Your lifestyle plays a big part in controlling diabetes. Your blood sugar levels should be checked regularly and your doctor may also advise blood tests to monitor your blood cell counts and liver function.