There are many infectious diseases of diarrhea, including bacillary dysentery, cholera, typhoid fever (fever caused by feeling cold), amoebic dysentery, etc., mainly through the fecal-oral route. 1. Bacterial dysentery: the main manifestations are fever, abdominal pain, diarrhea, acute and severe (discomfort in the lower abdomen, wanting to defecate very much, and a sense of incomplete defecation after defecation), mucus or pus and blood stools, accompanied by headache, fatigue, loss of appetite, and so on. 2. Cholera: the main manifestations are severe diarrhea, initial stools with fecal matter, rapidly becoming yellow watery stools or even flesh-washing water, accompanied by vomiting, and the vomit is stomach contents. 3. Typhoid fever: the main manifestations are persistent fever, indifference, rose rash, hepatosplenomegaly, loss of appetite, diarrhea, and so on. 4. Amebic dysentery: the main manifestations are abdominal pain and diarrhea, pressure and pain in the right lower abdomen, and fishy smell of feces. If there is diarrhea manifestation, you should consult the hospital for diagnosis and treatment.