The clinical manifestations of parasitic enteritis include abdominal pain, stomach distension and discomfort, diarrhea, mucus, pus and blood stools, loss of appetite, anal itching and other symptoms. Parasitic enteritis is caused by parasites such as flagellates, roundworms, toxoplasma gondii and other parasites due to unclean diet, lack of personal hygiene, eating undercooked food, etc., which results in abdominal pain, stomach distension, acid reflux, acute or chronic diarrhea, mucus, pus and blood in the stools, dyspepsia, loss of appetite, emaciation, itching of the anus, and even discomfort in the chest and the ribs. If the above symptoms such as diarrhea, mucus, pus and blood stools occur, or are accompanied by other symptoms, you should go to the hospital in time to have the cause clarified and then give targeted treatment.