Frequent Urination and Back Pain: When Tests Show Normal Results - Urology

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Lower back pain and frequent urination... but the tests all came back normal?


Hello, Dr.
Chen.
Recently, I've been experiencing soreness in my right lower back, especially when I feel the urge to urinate.
Additionally, I've been having increased urinary frequency, about every two hours, but my bladder doesn't feel full.
I went to the hospital for blood and urine tests and an ultrasound, and all results were normal—no stones or inflammation.
The only finding was that my kidneys are of different sizes.
The doctor didn't prescribe any medication and advised me to rest more.
However, the back pain and frequent urination continue to trouble me.
What should I do? Thank you.

Fan You de Ren, 30~39 year old female. Ask Date: 2006/04/12

Dr. Chen Xiuyi reply Urology


Hello: Lower back pain is not necessarily a urinary tract disease; it may also be related to musculoskeletal or neurological issues.
If blood tests, urine tests, and ultrasound results are all normal, you might consider consulting an orthopedic specialist or a rehabilitation physician.
Frequent urination could be a sign of overactive bladder syndrome.
It is advisable to keep a "voiding diary" (recording fluid intake, urine output, and frequency over time) before your outpatient visit.
Sincerely, Dr.
Chen Hsiu-Yi, Urology.

Reply Date: 2006/04/12

More Info


Frequent urination and back pain can be concerning symptoms, especially when tests return normal results. Your experience of right-sided back pain that intensifies with the urge to urinate, coupled with increased frequency of urination without a feeling of bladder fullness, suggests a few potential underlying issues that may not have been captured in your initial tests.

Firstly, it’s important to understand that the kidneys and bladder are closely linked in terms of function and sensation. The kidneys filter waste from the blood, which is then stored in the bladder until urination. If there is any irritation or inflammation in the urinary tract or kidneys, it can manifest as back pain, particularly in the lower back or flank area. However, since your tests (blood, urine, and ultrasound) returned normal results, this rules out common issues such as urinary tract infections (UTIs), kidney stones, or significant structural abnormalities.

The fact that your kidneys are of different sizes could be a benign anatomical variation, but it’s worth discussing with your healthcare provider to ensure it’s not contributing to your symptoms. In some cases, a smaller kidney may not function as effectively, which could lead to discomfort or changes in urination patterns.
Another possibility to consider is that your symptoms could be related to a condition known as interstitial cystitis (IC) or painful bladder syndrome. This condition can cause bladder pressure, bladder pain, and frequent urination, often without any identifiable infection or inflammation. The pain can also radiate to the back, which might explain your discomfort. IC is often diagnosed based on symptoms and may require a multidisciplinary approach for management, including dietary changes, physical therapy, and sometimes medications.

Additionally, stress and anxiety can exacerbate urinary frequency and back pain. The mind-body connection is powerful, and psychological factors can lead to physical symptoms. If you find that stress is a significant part of your life, addressing it through relaxation techniques, counseling, or stress management strategies could be beneficial.

In terms of management, since your doctor has advised rest, it may be helpful to incorporate gentle stretching or yoga to alleviate back pain. Staying hydrated is essential, but you might also want to monitor your fluid intake to see if it correlates with your urinary frequency. Keeping a diary of your symptoms, including when you experience pain and how often you urinate, can provide valuable information for your healthcare provider.

If your symptoms persist or worsen, it would be advisable to follow up with your healthcare provider. They may consider further evaluations, such as urodynamic studies, which assess how well the bladder and urethra are functioning, or a referral to a specialist in urology or nephrology for a more in-depth assessment.

In summary, while your initial tests have returned normal results, your ongoing symptoms warrant further exploration. Conditions like interstitial cystitis, anatomical variations, or even stress-related issues could be at play. Open communication with your healthcare provider about your symptoms and concerns is crucial in finding an effective management plan.

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