Left Side Discomfort: Is It Related to Urinary Issues? - Urology

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Lower back issues?


Hello, doctor.
I often hold my urine, and recently I've noticed that if I hold it for too long, I feel a sense of fullness and pressure in my left lower back, although it doesn't hurt.
After I urinate, the feeling in my left lower back goes away, and I don't feel any pressure.
My urine is normal—no foam, no cloudiness, and I don't feel any discomfort—but I'm very worried about potential kidney issues.

Niming, 30~39 year old female. Ask Date: 2021/06/02

Dr. Jian Weihong reply Urology


Hello: If convenient, please have a urine test at the hospital.
If there are abnormalities, an X-ray may be considered.
If the physician's examination shows no abnormalities, it is likely not a urological issue, and other causes should be investigated.
Wishing you good health.

Reply Date: 2021/06/02

More Info


When experiencing discomfort in the left side, particularly in relation to urinary issues, it is essential to consider various factors that could contribute to the symptoms. Based on your description, it seems that you have been holding your urine for extended periods, which can lead to a feeling of pressure or discomfort in the lower back or side. This sensation may not necessarily indicate a serious underlying condition, especially if the discomfort resolves after urination and you do not experience any other concerning symptoms, such as pain, hematuria (blood in urine), or changes in urine color or clarity.

Holding urine for too long can lead to bladder distension, which may cause discomfort in the lower abdomen and back. The bladder is a muscular organ that can stretch to accommodate urine, but excessive stretching can lead to discomfort. Additionally, the nerves that supply the bladder and surrounding areas can become irritated, leading to referred pain in the lower back or side. It is also worth noting that the kidneys, located in the back, can sometimes refer pain to the lower back if there are issues such as infections or stones, but these typically present with additional symptoms.

Given that you mentioned your urine is normal (no foam, cloudiness, or discomfort), this is a positive sign. However, if you have a history of urinary issues or if the discomfort persists, it may be prudent to consult a healthcare professional for further evaluation. They may recommend a urinalysis to rule out any underlying infections or abnormalities.
In terms of kidney health, if you have had previous concerns such as protein in your urine, it is essential to monitor your kidney function regularly. Proteinuria can indicate kidney damage or disease, and it is crucial to address any potential issues early on. If you are experiencing persistent discomfort, especially if it worsens or is accompanied by other symptoms such as fever, chills, or changes in urinary habits, seeking medical attention is advisable.

To alleviate discomfort, consider the following recommendations:
1. Avoid Holding Urine: Try to urinate when you feel the urge rather than holding it for extended periods. This can help prevent bladder distension and associated discomfort.

2. Stay Hydrated: Ensure you are drinking enough fluids throughout the day. Proper hydration can help maintain normal urinary function and reduce the risk of urinary tract infections.

3. Monitor Symptoms: Keep track of any changes in your symptoms, including the frequency and intensity of discomfort, as well as any new symptoms that may arise.

4. Consult a Specialist: If discomfort persists or if you have concerns about your kidney health, consider seeing a urologist or nephrologist for a comprehensive evaluation.

In conclusion, while your current symptoms may not indicate a severe issue, it is essential to remain vigilant about your urinary health and kidney function. Regular check-ups and open communication with your healthcare provider can help ensure any potential issues are addressed promptly.

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