Niveaifu is the trade name, the generic name is Trimethoprim Maleate Dispersible Tablets, the drug does not have a course of treatment, the general dosage time is 3~7 days, it is recommended to prevail on the guidance of the doctor. Trimethoprim maleate dispersible tablets belong to the digestive system prescription drugs, mainly used for the treatment of irritable bowel syndrome and gastrointestinal motility disorders caused by constipation, diarrhea, abdominal pain, abdominal distension, nausea, loss of appetite and so on. The drug how long a course of treatment, can not be clearly judged, and the patient’s condition, there is no strict meaning of the “course of treatment”, clinically, the time to take the drug from 3 days to 7 days. Patients can take it according to the doctor’s instructions. The common adverse reactions of Trimethoprim maleate dispersible tablets include vomiting, diarrhea, drowsiness, rash, elevated transaminases, tachycardia and so on. Those who are allergic to Trimethoprim Maleate Dispersible Tablets need to disable this product. Trimethoprim maleate dispersible tablets belong to prescription drugs, patients need to buy them only with a prescription order issued by a doctor.