Bactrim is the trade name for the drug Exenatide. Exenatide injection is used as a subcutaneous injection in the thigh, abdomen or upper arm, before meals, the specific use of the dose needs to be based on the duration of treatment and blood glucose control. Exenatide injection is a hypoglycemic drug, which is mainly applied to patients with type 2 diabetes mellitus whose blood glucose is still not well controlled by metformin and sulfonylurea alone, as well as metformin combined with sulfonylurea. Usually, at the time of initial use, the drug is administered at a dose of 5ug per use, twice daily, by subcutaneous injection, usually about one hour before breakfast and one hour before dinner (or before two main meals), with an interval of about 6 hours or longer between doses. After a period of continuous treatment, the dosage can be increased according to the control of blood glucose. The exact dosage should be prescribed by a healthcare professional. The common adverse reactions of Exenatide Injection are gastrointestinal reactions such as nausea, vomiting, diarrhea and so on. This product is contraindicated in patients who are allergic to exenatide or other components of the product. In order to ensure the safety and effectiveness of the medication, it must be used in strict accordance with the doctor’s instructions.