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Dr. Josh
Dr. Josh, Doctor
Category: Health
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Experience:  Practicing Physician, Family Physician for 7 years
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What causes green stools

Resolved Question:

I have been on a liquid fast to try and heal my intestines, but my stools today were green.   I also had a little blood that I believe was caused by a fissure. Any ideas? Thanks!
Submitted: 8 years ago.
Category: Health
Expert:  Dr. Josh replied 8 years ago.


Green stools often indicate that food has passed through the intestines faster than normal before it could be changed from green to brown.
Diarrhea decreases colon transit time, so any condition that causes diarrhea can result in green stools.

Other causes of green stools are:-laxative use, antibiotic use, medication side effects
food poisoning, celiac disease, ulcerative colitis, Crohn's disease, malabsorption
irritable bowel syndrome, bacterial overgrowth
infectious diarrhea - salmonella and giardia in particular anxiety
traveler's diarrhea
Foods and supplements that can cause green stools include:
iron supplement

If it was just few drops of blood , then nothing to worry, however if you have 1tsf or more blood then you should see your Physician for further evaluation .

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