There are differences between Otylium bromide tablets and Pivacurium bromide tablets in terms of drug composition, effects, taking methods, adverse reactions, precautions and so on, as follows: 1. Different drug ingredients: the ingredient of ortiprenium bromide tablets is ortiprenium bromide; while the ingredient of pivoxyl bromide tablets is pivoxyl bromide. 2. Different roles: otylium bromide tablets are not only used to relieve gastrointestinal spasm and motor dysfunction, but also used for endoscopy preparation, such as gastroscopy, duodenoscopy, colonoscopy; while pivivoxyl bromide tablets are used for symptomatic treatment of pain associated with intestinal dysfunction, abnormal defecation and gastrointestinal discomfort, symptomatic treatment of pain associated with biliary dysfunction, and preparation for barium enema. 3. Different methods of taking: Otylium bromide tablets are for oral use, no special requirements; while Pivacyl bromide tablets need to be swallowed whole with water during meals, and cannot be chewed or broken or contained in the tablets. 4. Adverse reactions are different: there are occasional adverse reactions such as headache, dizziness, nausea, vomiting, epigastric pain, abdominal discomfort, etc., while there are adverse reactions such as dry mouth, abdominal pain, constipation, indigestion, rash, etc., after taking pivacurium bromide tablets. 5. The precautions are different: patients with glaucoma, prostate hyperplasia and pyloric stenosis should be cautious of using Otivanium bromide tablets; patients with galactose intolerance, lactase deficiency or glucose-galactose malabsorption should be cautious of using Pivoxil bromide tablets. If you need to use the above drugs, should be used under the guidance of a specialist, not self-medication to avoid adverse reactions.