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Published on: 3/5/2025

What Are the Most Common Causes of Incomplete Bowel Movements?

Incomplete bowel movements are often caused by constipation-related issues, including slow stool movement and problems with the muscles that help release the stool. Factors such as a low-fiber diet, dehydration, lack of exercise, and stress can also play a role.

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Explanation

When you feel like your bowel movement isn’t complete, it is usually because your stool isn’t fully leaving your colon. Many people have difficulty with the colon moving stools too slowly (slow colonic transit) or when the muscles in the pelvic area do not work well, making it harder to push out all the stool. A diet low in fiber and not drinking enough water can make your stools hard and difficult to evacuate. A lack of exercise may also slow the process further. Stress and anxiety sometimes affect how our bodies work, including our digestive health, which might contribute to that lingering feeling of incomplete emptying. This issue is common and can occur as part of constipation spectrum disorders. It is important to address these factors by eating more fiber, staying hydrated, and being active as they can improve the sensation of fully emptying your bowels. Understanding these common causes can help guide lifestyle changes that support healthier bowel habits.

(References)

  • Heidelbaugh J, Martinez de Andino N, Pineles D, Poppers DM. Diagnosing Constipation Spectrum Disorders in a Primary Care Setting. J Clin Med. 2021 Mar 5;10(5):1092. doi: 10.3390/jcm10051092. PMID: 33807888; PMCID: PMC7961346.

  • Tack J, Müller-Lissner S, Stanghellini V, Boeckxstaens G, Kamm MA, Simren M, Galmiche JP, Fried M. Diagnosis and treatment of chronic constipation--a European perspective. Neurogastroenterol Motil. 2011 Aug;23(8):697-710. doi: 10.1111/j.1365-2982.2011.01709.x. Epub 2011 May 24. PMID: 21605282; PMCID: PMC3170709.

  • Dzierżanowski T, Ciałkowska-Rysz A. Behavioral risk factors of constipation in palliative care patients. Support Care Cancer. 2015 Jun;23(6):1787-93. doi: 10.1007/s00520-014-2495-6. Epub 2014 Dec 4. PMID: 25471176; PMCID: PMC4555193.

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