Acute diarrhea: The most common, acute diarrhea is loose watery diarrhea that lasts one to two days. This type doesn’t need treatment and it usually goes away after a few days.
Persistent diarrhea: This type of diarrhea generally persists for several weeks – two to four weeks
Chronic diarrhea: Diarrhea that lasts for more than four weeks or comes and goes regularly over a long period of time is called chronic diarrhea.