Diarrhea, also known as diarrhea, usually ejaculation and diarrhea are not necessarily linked, diarrhea may be associated with improper diet, gastrointestinal infections, irritable bowel syndrome and so on. 1. Improper diet: such as eating too much spicy stimulation, cold and greasy food, causing gastrointestinal discomfort, just after ejaculation diarrhea and other symptoms. 2. Inflammation of the gastrointestinal tract: If the intestinal tract is infected by bacteria, fungi, viruses, parasites and other infections, acute enteritis, bacillary dysentery and other diseases, diarrhea may occur right after ejaculation. 3. Irritable bowel syndrome: a common dysfunctional syndrome, can be related to mental factors, can be manifested as abdominal pain, diarrhea and other symptoms, may also happen to cause diarrhea after ejaculation. If the diarrhea symptoms have not been controlled for a long time or even aggravated, it is recommended to consult a doctor in time to find out the cause of diarrhea and then actively treat it to avoid delaying the condition.