Published on: 7/4/2025
What are the common causes of narrow stools?
Narrow stools can be caused by various conditions, including obstructions in the colon or rectum, such as masses or strictures.
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Explanation
Narrow or pencil-thin stools might be concerning for some people. While not always a sign of a serious problem, they can sometimes indicate an obstruction in the colon.
Possible Causes:
- Colonic Obstruction: An obstruction in the colon, such as a mass, can lead to narrow stools. This is because the stool has to pass through a smaller opening, resulting in a thinner shape.
- Rectal Issues: Conditions affecting the rectum, like strictures or growths, can also cause stools to become narrow.
It's important to note that while narrow stools can be caused by these conditions, they are not always indicative of a serious issue. If someone experiences persistent changes in their stool shape or other concerning symptoms, they should consult a healthcare professional for further evaluation.
(References)
- Borhan-Manesh F. (2009). "Low caliber stool" and "pencil thin stool" are not signs of .... Digestive diseases and sciences, 18683051.
- Chedid V, Arasoghli M, & Hashash JG. (2015). Obstructing Colonic Mass: A Case of Recurrent .... Case reports in gastrointestinal medicine, 26199767.
- Yoshizawa M, Mizukoshi N, Nadaya T, Kuwahara A, Kimura S, Usuki S, et al. (2022). [Preoperative Chemoradiotherapy for Advanced Rectal .... Gan to kagaku ryoho. Cancer & chemotherapy, 36732982.
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