The following medical conditions are some of the most possible causes of Green stool. There would be other possible causes, so ask your doctor about your symptoms.
* Salmonella - can cause greenish stool (usually diarrhea)
* Giardia - can cause greenish stool (usually diarrhea)
* Swallowed postnasal drip - ie. from an upper respiratory disorder
* Intestinal disorder
* Starvation stools - usually in children; green watery stool caused by being on a liquid diet for a few days (e.g. if ill)
* See also dark stool, blood in stool, or stool color changes
* Normal breast-fed baby
* Gastroenteritis
* Certain foods
* Some cow milk formulas