The common diseases of diarrhea while running mainly include gastrointestinal dysfunction, intestinal flora imbalance, chronic enteritis, etc. It is necessary to determine the symptomatic and medication treatment of the above symptoms according to the type of disease. 1. Gastrointestinal dysfunction: autonomic nerve excitation during exercise stimulates gastrointestinal peristalsis, gastrointestinal dysfunction, diarrhea and other symptoms may occur, you can use drugs such as montelukast, timely absorption of excess water in the intestinal tract, to alleviate the extent of diarrhea and other episodes of the disease. 2. Intestinal flora imbalance: It is recommended to use drugs such as Bifidobacterium bifidum triple live bacterial powder, multi-enzyme tablets, bacillus subtilis double live bacterial granules under the guidance of professional doctors, which can regulate the intestinal flora and alleviate the occurrence of the above mentioned illnesses. 3. Chronic enteritis: anti-inflammatory treatment with drugs such as mesalazine can be used under doctor’s guidance. You can use drugs such as compound diphenoxylate to reduce the frequency of diarrhea and other symptoms. If a bacterial infection of the intestinal tract occurs, azithromycin and other drugs can also be used to fight infection. Medications such as atropine can also be used to treat the condition if abdominal pain is manifested after suffering from the aforementioned condition. When patients experience diarrhea while running, it is recommended to go to the hospital to identify the specific cause of the condition and give symptomatic treatment.