Treatment of diarrhea medications are norfloxacin, bifidobacteria triple bacterial preparation, montelukast, etc., but the specific which drugs have the best effect, need to be selected by the doctor according to the patient’s personal condition, follow the doctor’s advice to use the appropriate drugs is the best. 1. Norfloxacin: For diarrhea caused by intestinal infections, use Norfloxacin as prescribed by the doctor. However, it is forbidden for those who are allergic to this product and quinolones. Adverse reactions such as tendonitis and peripheral neuropathy may occur with the use of norfloxacin, so it must be used in accordance with medical advice. 2. Bifidobacterium triplex: used for the treatment of diarrhea and abdominal distension caused by bacterial imbalance. The medicine should be kept refrigerated. When using this medicine, it is advisable to take it with cold and warm boiled water. It is forbidden for those who are allergic to this product, and patients with allergies should use it with caution. 3. Montelukast: It can be used for acute and chronic diarrhea in adults and children, but a small number of patients may produce mild constipation, so it should be used in accordance with medical advice. Drugs need to be used under the guidance of a doctor.