Sitagliptin Tablet is a combination of two medications used to control high blood sugar levels in type 2 diabetes patients. It helps prevent complications like kidney damage and blindness, and reduces the risk of heart attacks or strokes. It can be prescribed alone or with other diabetes medications, and is best used with a healthy diet and regular exercise. Side effects include diarrhea, nausea, vomiting, upset stomach, headache, and sore throat. It is not suitable for everyone, and patients should inform their doctor about any prior health issues, pregnancies, or other medications.