What causes narrowing of the stool?
Narrowing of the stool may be due to a mass in the colon or rectum that limits the size of the stool that can pass through it.
Conditions that cause diarrhea can also cause pencil thin stools.
Persistent pencil thin stool, which may be solid or loose, is one of the symptoms of colorectal polyps or cancer..
What does stool look like with colitis?
Stool-related symptoms of ulcerative colitis include: diarrhea. bloody stools that may be bright red, pink, or tarry. urgent bowel movements.
Why does colon cancer cause narrow stools?
Colorectal Cancer Doctors used to link narrow BMs to colorectal or colon cancer. That’s because they thought that cancer in your colon caused it to become narrower, and your poop would look narrow after it passed through.
Can diverticulitis cause narrow stools?
In chronic diverticulitis, inflammation and infection may go down but never clear up completely. Over time, the inflammation can lead to a bowel obstruction, which may cause constipation, thin stools, diarrhea, bloating, and belly pain.