Is It Normal to Urinate While Having a Bowel Movement? - Urology

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Is it normal to expel some urine when having a bowel movement?


Hello, doctor.
I often notice that when I sit on the toilet to have a bowel movement, a little bit of urine comes out when I exert some effort.
Is this normal? Thank you.

A-Ren, 30~39 year old female. Ask Date: 2023/02/26

Dr. Li Minghui reply Urology


Hello: It is normal to have some urine leakage during a bowel movement because the nerves controlling the colon and those regulating urination can be interconnected at times.

Reply Date: 2023/02/26

More Info


It is not uncommon for individuals to experience urination while having a bowel movement, and this phenomenon can be attributed to the interconnectedness of the pelvic floor muscles and the autonomic nervous system. When you are seated on the toilet and exerting pressure to facilitate a bowel movement, the muscles that control both the bladder and the rectum can be activated simultaneously. This can lead to the involuntary release of urine alongside the bowel movement.

The pelvic floor is a group of muscles that support the bladder, rectum, and uterus (in women). These muscles work together to control the functions of urination and defecation. When you push during a bowel movement, the pressure in the abdomen increases, which can inadvertently cause the bladder to contract, resulting in the release of urine. This is particularly common in individuals who may have a weaker pelvic floor or in those who are straining during bowel movements.

In general, this occurrence is considered normal and is not usually a cause for concern unless it is accompanied by other symptoms. However, if you find that this happens frequently or if you experience any discomfort, pain, or changes in your urinary or bowel habits, it would be advisable to consult a healthcare professional. They can evaluate your symptoms more thoroughly and determine if there are any underlying issues that need to be addressed.

In some cases, frequent urination during bowel movements can indicate pelvic floor dysfunction or other conditions such as urinary incontinence. Strengthening the pelvic floor muscles through exercises, such as Kegel exercises, can help improve control over both urination and bowel movements. Additionally, maintaining a healthy diet rich in fiber can help prevent constipation and reduce the need for straining during bowel movements, which may also alleviate the issue.

If you are concerned about this symptom or if it is affecting your quality of life, it is important to seek medical advice. A healthcare provider can perform a physical examination and may recommend further tests or referrals to specialists, such as a urologist or a gastroenterologist, depending on your specific situation.

In summary, while it is generally normal to urinate while having a bowel movement due to the interconnected nature of the pelvic floor muscles, it is essential to pay attention to your body and seek medical advice if you have any concerns or if the situation changes. Taking proactive steps to strengthen your pelvic floor and maintain healthy bowel habits can also contribute to better overall pelvic health.

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