Vomiting and diarrhea may be irritable bowel syndrome, gastrointestinal food poisoning, bacterial enteritis and other diseases, according to the cause of the use of mosapride, scopolamine, montelukast, loperamide, amoxicillin and other drugs for treatment. 1. Irritable bowel syndrome: patients can use montelukast, compound phenethylpiperidine and other antidiarrheal drugs as well as scopolamine, mebeverine and other antispasmodic agents as prescribed by the doctor. 2. gastrointestinal food poisoning: can be used under the guidance of a professional physician mosapride, metoclopramide and other pro-gastrointestinal dynamics of the drug to relieve vomiting, but also with montelukast, elimination of cardotoxin and other antidiarrheal drugs to alleviate diarrhea. 3. Bacterial enteritis: patients need to follow the doctor’s instructions to use loperamide and other antidiarrheal drugs, as well as ciprofloxacin, levofloxacin and other antibiotics for treatment. When the patient has vomiting and diarrhea symptoms, you need to go to the hospital in time, with the doctor to actively treat the original disease, not blindly use their own medicine.