Diarrhoea causes having frequent loose watery stools. It occurs when the fluid cannot be absorbed from the contents of an individuals bowel or when extra fluid is secreted into the bowel causing watery stool. Usually, it could be a symptom of bowel infection called Gastroenteritis which can be caused by some harmful microorganisms that may result from food poisoning I.e drinking contaminated water or eating contaminated food. It could be Acute or Chronic Diarrhoea.