- 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)
AHHHHHHHHH!!!!!!!