Acute diarrhea: Abrupt onset, passage 3 or more loose stool or watery/mucous bloody stool per day, no longer than 14 days
Frequent passage of loose or watery stools amounting to >200 g in 24 hr.
Persistent diarrhea: Diarrhea lasts longer than 14 days
: Begins with acute infectious diarrhea
Chronic diarrhea: diarrhea lasts longer than 14 days
: do not caused by enteric infection
Dysentery: Invasive diarrhea: diarrhea with visible blood