Clinically there is no such thing as which is more effective, Pivacurium Bromide or Trimethoprim. Pivetronium bromide and trimethoprim are both drugs that regulate the power of the gastrointestinal tract, and each has its own indications. 1. Pivetronium bromide is a gastrointestinal antispasmodic drug, mainly used for gastrointestinal dysfunction related diseases; can also be used for biliary dysfunction caused by pain and other discomfort; can also be used for barium enema preparation. Abdominal pain, diarrhea, constipation, occasional itching, skin pain, nausea, dry mouth and other adverse reactions may occur with the use of pivacurium bromide. It is contraindicated for those who are allergic to the product, pregnant women and children, and if breastfeeding women use the product, they should stop breastfeeding. 2. Trimethoprim is mainly used for gastrointestinal dysfunction diseases; it can also be used for irritable bowel syndrome. Trimethoprim has been shown to impair hepatic function, and should be discontinued and disposed of appropriately when abnormalities are detected. Other adverse reactions such as thirst, numbness in the mouth, diarrhea, tinnitus, constipation and tachycardia, drowsiness, dizziness, headache, rash. It is contraindicated in people who are allergic to the product, women during pregnancy, and used with caution in women and children who are breastfeeding. When intestinal disorders occur, it is recommended to use the drug under the guidance of a doctor to avoid aggravating the condition or affecting the recovery of the disease.