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A member asked:
Normal colonoscopy but blood in stool, what's wrong?
A doctor has provided 1 answer
See below : The colon is so huge that sometimes the camera doesn't catch a small bleed. Colonoscopies are important to make sure you don't have inflammation in the colon and it rules out serious causes. You might have a blood vessel that bleeds on and off. Or it might be something in the anal area like a crack in the wall causing some bleeding when you wipe. Also the bleed could be from above the colon.
Answered 6/22/2018
4.8k views
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