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Published on: 8/20/2026
Incomplete defecation is diagnosed through a review of symptoms and tests that evaluate how well the bowel and pelvic floor muscles function. Common diagnostic steps include a physical exam, anorectal manometry, and defecography. Treatment typically begins with diet changes, increased fiber and fluid intake, and improved bathroom habits. If symptoms persist, pelvic floor physical therapy and biofeedback exercises can help retrain the muscles for more complete bowel movements.
Because incomplete defecation can stem from many different causes—ranging from dietary issues to muscle dysfunction—getting clarity early makes a real difference in choosing the right treatment path. Take a free, instant, online symptom check to better understand what may be causing your symptoms and confidently plan your next steps.
Reviewed for medical accuracy: 07/15/2026
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When someone feels they have not completely emptied their bowels, doctors listen to the patient's story and do a careful exam. They may use tests like a digital rectal exam, which is a way to feel for any problems, or more special tests such as anorectal manometry and a balloon expulsion test. These tests help see if the muscles used for pooping are not working well together —a condition sometimes called dyssynergic defecation. Other imaging tests might check the shape and movement of the muscles too. Once the cause is understood, treatment usually starts with lifestyle changes. This means eating more fiber-rich foods (like fruits, vegetables, and whole grains), drinking plenty of water, and getting regular exercise. Doctors may also suggest medications like stool softeners or laxatives if needed. If these changes do not help, a therapy called biofeedback can be used. In biofeedback, special techniques help the patient learn how to coordinate the muscles better during a bowel movement. If you're experiencing persistent bowel concerns, you can check your symptoms to better understand what might be going on and when to seek medical care.
(References)
Rao SS, Patcharatrakul T. Diagnosis and Treatment of Dyssynergic Defecation. J Neurogastroenterol Motil. 2016 Jul 30;22(3):423-35. doi: 10.5056/jnm16060. PMID: 27270989; PMCID: PMC4930297.
Costilla VC, Foxx-Orenstein AE. Constipation in adults: diagnosis and management. Curr Treat Options Gastroenterol. 2014 Sep;12(3):310-21. doi: 10.1007/s11938-014-0025-8. PMID: 25015533.
Fabrizio AC, Alimi Y, Kumar AS. Methods of Evaluation of Anorectal Causes of Obstructed Defecation. Clin Colon Rectal Surg. 2017 Feb;30(1):46-56. doi: 10.1055/s-0036-1593427. PMID: 28144212; PMCID: PMC5179274.
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