The passage of loose, liquid or watery stools. These stools are usually passed more than three times a day. It is caused by an infection of the bowel. In many cases Diarrhea stools are watery but if blood is visible in stools, the condition is called dysentery and is associated with abdominal pain. Diarrheal diseases are classified by clinical syndromes as:
Acute Watery Diarrhea Acute Diarrhea starts suddenly and is characterized by the passage of loose watery motions. Patient recovers within 3–7 days.
Dysentery Dysentery is blood in the stools.
Persistant Diarrhea If Diarrhea persists for more than 14 days is associated with weight loss is classified as persistent diarrhea.