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Broomall, PA
A 24-year-old male asked:

i have an anal fissure and when i have bowel movements the blood is usually bright red. but today there was more blood and it was darker and purplish.

1 doctor answer4 doctors weighed in
Dr. James Ferguson
Pediatrics 46 years experience
Worth a visit: There is a possibility that this was retained blood that began breaking down inside the colon before passage. If so, it would be darker than the fresh blood from a fissure. However, most would view purplish blood as an indication of bleeding further up the colon and worth an examination.

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Last updated Jul 15, 2015

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