10 Causes of Bloody Stool
Article Sources
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2. Anal Fistula/Abscess
When an anal gland gets infected with pus or becomes abscessed, an anal fistula can develop. The fistula resembles a tiny tunnel that connects the abscess to the skin around the anus.1‘Rectal Bleeding: Causes, Colors, Tests & When To Call The Doctor.’ Cleveland Clinic, my.clevelandclinic.org/health/symptoms/14612-rectal-bleeding.
Causes of anal fistulas include Crohn’s disease, inflammatory bowel disease, tuberculosis, radiation therapy for cancer, and injuries. Anal fistulas can cause pus in the stool, and in some cases, bright red blood can be present on the surface of the bowel movement.
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