The symptoms of diarrhea in men after sex are related to the following reasons: first of all, it is caused by hormonal stimulation, because in the process of sex the level of hormones such as adrenaline and sex hormones in men’s bodies will appear elevated, the stomach, intestines and other digestive organs and tissues under the influence of hormonal substances, will be out of spasm or peristalsis increased symptoms, thus causing excrement to accelerate into the rectum, and cause stool The symptoms of frequent bowel movements. Secondly, cold in the abdomen is also a common cause of diarrhea. In the process of sexual intercourse, the lower digestive organs such as the colon and rectum are stimulated by external factors, leading to a decrease in immunity and more susceptible to infection by allergenic bacteria, resulting in acute gastroenteritis, intestinal mucositis and other diseases, which can cause patients to experience abdominal pain and diarrhea, nausea, vomiting and other symptoms.