Right Lower Back Pain: Is It Musculoskeletal or Kidney-Related? - Urology

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Lower back pain issues?


Hello Doctor: Recently, I have been experiencing pain in my right lower back for about a month.
The pain is not constant, but I cannot pinpoint the timing or cause (I am unsure if it is related to posture or my kidneys).
Since childhood, I have often held my urine for too long, which causes bladder discomfort and slow urination.
I am a bit worried that there might be an issue with my kidneys or that my habit of holding urine has contributed to my back pain.
Therefore, I visited a urologist today for an examination.
The urologist ordered routine blood tests (creatinine and blood urea nitrogen), a urinalysis, and a kidney ultrasound, all of which returned normal results.
The doctor believes that my back pain is likely due to a musculoskeletal issue.
Should I be relieved by this assessment? Thank you, Doctor.

Xiao Danxin, 20~29 year old female. Ask Date: 2017/10/30

Dr. Du Shixi reply Urology


Hello: "If all tests are normal, there is no need to worry too much.
However, it is advised not to hold in urine frequently to avoid affecting bladder function.
Wishing you good health."

Reply Date: 2017/10/30

More Info


Understanding the nature of right lower back pain can be complex, especially when distinguishing between musculoskeletal issues and potential kidney-related problems. Based on your description, it appears that you have been experiencing intermittent right lower back pain for about a month. You also mentioned a history of urinary retention and discomfort, which raises valid concerns about kidney health.

Firstly, it's important to note that the kidneys are located in the posterior abdominal cavity, and pain originating from kidney issues typically presents differently than musculoskeletal pain. Kidney-related pain is often described as a deep, dull ache that may radiate to the lower abdomen or groin, and it can be associated with other symptoms such as changes in urination, fever, or nausea. In your case, since you have undergone a series of tests including blood work, urinalysis, and an ultrasound, and all results came back normal, it is less likely that your pain is related to kidney dysfunction.

The fact that your pain is not constant and seems to be influenced by posture suggests that it may be musculoskeletal in nature. Common causes of lower back pain include muscle strain, ligament sprain, or issues related to the spine such as disc herniation or degenerative changes. Given your history of urinary retention, it is also possible that prolonged periods of holding urine could lead to muscle tension in the pelvic and lower back regions, contributing to discomfort.

To further assess your condition, consider the following:
1. Posture and Ergonomics: Evaluate your posture during daily activities, especially if you spend long hours sitting or standing. Poor posture can lead to muscle imbalances and strain, resulting in pain. Ergonomic adjustments to your workspace or using supportive seating can help alleviate discomfort.

2. Physical Activity: Engaging in regular physical activity, including stretching and strengthening exercises for the core and back muscles, can improve flexibility and reduce pain. Activities like yoga or pilates may also be beneficial.

3. Pain Management: Over-the-counter nonsteroidal anti-inflammatory drugs (NSAIDs) can help manage pain and inflammation if needed. However, it is essential to consult with a healthcare provider before starting any medication.

4. Follow-Up: If your pain persists or worsens, consider following up with a healthcare professional, such as a physical therapist or an orthopedic specialist, who can provide a more detailed assessment and tailored treatment plan.

5. Hydration and Urination Habits: Since you mentioned a history of holding urine, it may be beneficial to develop a routine that encourages regular bathroom breaks. This can help prevent bladder overdistension and potential pelvic muscle tension.

In conclusion, while your concerns about kidney health are valid, the normal results from your recent tests suggest that your right lower back pain is more likely related to musculoskeletal factors. By addressing posture, engaging in physical activity, and managing pain effectively, you can work towards alleviating your discomfort. If symptoms persist, further evaluation may be warranted to rule out any underlying issues. Always consult with your healthcare provider for personalized advice and treatment options.

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