The possibility of constipation causing frequent urination?
For the past four months, I have been seeking medical attention due to frequent urination issues.
I experience a sense of urgency with about 150cc of urine, but I can hold it in.
After holding it, the urge temporarily subsides; while standing, I can hold it up to about 250cc, and when sitting, I need around 300cc to feel a more pronounced urge.
I have undergone multiple examinations and treatments at the hospital.
Tests showed normal urine flow rate, post-void residual volume of less than 20cc, and no kidney stones on ultrasound.
Urinalysis revealed no bacteria or signs of inflammation.
During the urine flow rate test, the technician mentioned that my bladder was not full enough, so even though I felt urgency, I continued to hold it, ultimately expelling 480cc of urine.
I have taken antibiotics, anti-inflammatory medications, and medications for overactive bladder, but there has been no improvement over the months.
Therefore, the doctor suspects it might be pelvic pain syndrome or interstitial cystitis and has scheduled me for a cystoscopy.
If no issues are found, the doctor plans to continue prescribing medications for overactive bladder or pelvic pain syndrome.
Additionally, I experience occasional pain when pressing below my navel (no sensation when not pressing), but since I have regular bowel movements, I did not pay much attention to it until recently when I felt more intense pain while contracting my abdomen.
I then consulted a gastroenterologist.
Ultrasound and stool tests were normal, but X-rays indicated that I had a somewhat high amount of stool, which the doctor believed looked like I hadn’t had a bowel movement for several days.
There was stool in the rectum, but the doctor said I have colonic inertia, meaning I am not having enough bowel movements daily, leading to stool accumulation.
However, the gastroenterologist mentioned that the retained stool was not severe, so they prescribed me medication to help with gastrointestinal motility for two weeks, stating that I did not need laxatives.
I asked the gastroenterologist if the retained stool could be causing my frequent urination, and the doctor indicated that past cases have shown that frequent urination could indeed be related to retained stool, but he could not definitively say whether my situation falls into that category.
Additionally, I have noticed that when I stand up from lying down or sitting, or when I bend over while standing, I particularly feel a strong urge to urinate, but I can quickly suppress the urge when sitting down.
Could this be related to having too much retained stool? I apologize for the lengthy questions, and I appreciate your guidance.
Thank you.
Gant, 30~39 year old female. Ask Date: 2022/03/01
Dr. Du Shixi reply Urology
Hello: Based on the examination, your bladder function is normal, but the issue seems to be related to sensation.
However, further examination is necessary.
If the medication is not effective, attention to lifestyle and diet is important.
Invasive tests such as cystoscopy and urodynamics may need to be considered.
Wishing you good health.
Reply Date: 2022/03/01
More Info
Frequent urination can indeed be influenced by various factors, including constipation. In your case, it seems that you have been experiencing significant urinary urgency and frequency, which has led you to seek medical attention. The relationship between constipation and urinary symptoms is a topic of interest in urology and gastroenterology, and it is important to understand how these two conditions can interact.
Firstly, constipation can lead to increased pressure in the pelvic region. The rectum and bladder are anatomically close to each other, and when the rectum is filled with stool, it can exert pressure on the bladder. This pressure can mimic or exacerbate the sensation of urgency, leading to more frequent trips to the bathroom. In some cases, individuals may feel the need to urinate even when their bladder is not full, simply due to the pressure from the rectum.
In your situation, you mentioned that you have been experiencing pain in the lower abdomen, particularly when pressing on the area. This could be indicative of pelvic floor dysfunction or increased tension in the pelvic muscles, which can also contribute to urinary symptoms. The fact that you have been diagnosed with potential pelvic pain syndrome or interstitial cystitis suggests that there may be a multifactorial issue at play, where both urinary and gastrointestinal symptoms are intertwined.
Your recent visit to a gastroenterologist revealed that you have a significant amount of stool in your rectum, which the doctor described as "dullness of the colon." This condition can lead to discomfort and may indeed be contributing to your urinary urgency. While the gastroenterologist indicated that your situation is not severe enough to warrant laxatives, it is crucial to address the constipation effectively. Regular bowel movements are essential for overall health, and managing your diet to include more fiber, hydration, and possibly gentle laxatives or stool softeners may help alleviate the constipation and, in turn, reduce the urinary symptoms.
Additionally, you noted that your urinary urgency seems to be more pronounced when transitioning from sitting or lying down to standing. This could be related to changes in abdominal pressure and the position of the pelvic organs. When standing, the pressure dynamics in the pelvis change, which might trigger the sensation of urgency more acutely, especially if there is underlying constipation.
In conclusion, while it is not possible to definitively state that your constipation is the sole cause of your frequent urination, it is certainly a contributing factor that should be addressed. It is advisable to continue working with your healthcare providers, including both your urologist and gastroenterologist, to develop a comprehensive treatment plan that addresses both your urinary and gastrointestinal symptoms. This may include dietary modifications, pelvic floor exercises, and possibly medications to manage both conditions effectively. If your symptoms persist despite these interventions, further evaluation may be warranted to rule out other underlying conditions.
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