It is not normal to have diarrhea once a week or so. The symptoms of diarrhea in a week or so can be considered to be caused by intestinal flora imbalance, indigestion, chronic enteritis and other factors. 1. intestinal flora imbalance: a week or so of diarrhea can be considered intestinal flora imbalance related to the intestinal tract, the harmful bacteria in the intestinal tract is more, pathogenic bacteria into the body will bring the symptoms of diarrhea. 2. Indigestion: dilution once a week or so can be considered indigestion, the patient’s body’s gastrointestinal function is relatively poor, eating indigestible food or the duodenum into too much undigested food to stimulate the intestinal system, it is easy to bring the symptoms of dilution. 3. Chronic enteritis: a week or so diarrhea can be considered chronic enteritis, which has the typical symptoms of diarrhea, abdominal pain, etc., with repeated, long-term, chronic episodes of the characteristics. If you find yourself with symptoms of diarrhea in a week or so, it is recommended that you go to a regular hospital in time.