The correct way to take Sitagliptin Phosphate Tablets is orally, usually once a day, can be taken at a fixed time every day, morning, noon and night, can be taken at mealtime, before or after meals, can be used as a single drug, or can be used in combination with metformin, sulfonylureas, insulin and other drugs. There are individual differences in the specific dosage of the drug, please follow the doctor’s instructions. Sitagliptin phosphate is a dipeptidyl peptidase 4 inhibitor, which can increase the level of active GLP-1 to promote insulin secretion, and then reduce blood glucose. It is mainly used for the treatment of type 2 diabetes mellitus, and can be used as a single agent or in combination with metformin, sulfonylureas, insulin and other drugs. Selegiline phosphate is taken orally at a flexible schedule and is not affected by eating. It is usually taken once a day, at a fixed time each day, in the morning, midday and evening, during meals, before or after meals. The exact dosage of the drug may vary, please follow the doctor’s instructions. Common adverse reactions to selegiline phosphate include allergy, elevated liver enzymes, upper respiratory tract infections, and pancreatitis. Patients who are allergic to this drug, diabetic ketoacidosis, etc. should not take this drug. Patients who need to be treated with Sitagliptin Phosphate should take the drug under the supervision of a doctor.