Blood in Stool: Causes, Identification, and Health Risks

What causes blood or mucus to appear in stool, and how can you tell the difference between diet-induced changes and serious medical issues? Explore the primary factors behind rectal bleeding in children and adults.

Can Constipation Cause Blood in Stool?

Published Aug,14 2017 | By Adam Cloe

One of the more common causes of blood in the stool is the development of anal fissures. Anal fissures are very small tears (usually less than 1 1/2 inch) that occur in the skin of the anus (which is where the bowel movements leave the body).