There are many drugs to stop diarrhea, which can be divided into the following categories: first, drugs to regulate the intestinal flora, such as methandien, bifidobacterium, rectify the intestine, etc., for improving the imbalance of the flora and treating diarrhea. Second, intestinal mucosa protective agents, such as Simethicone, enteritis, thioglycollate chewable tablets, famotidine, etc., for the protection of intestinal mucosa and improve diarrhea also have a certain role. Thirdly, drugs with pain relief and relief of intestinal spasm, such as Desutex, belladonna tablets, etc. If there is a germ infection, you can take oral levofloxacin tablets and acyclovir for treatment. The specific cause of diarrhea varies and the focus of the choice of medication varies, so it is recommended that the medication be administered under the guidance of a doctor. It should be noted that during diarrhea, it is important to pay attention to timely hydration.