Morning Urination Issues: Slow Flow and Concerns - Urology

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The first urination after waking up?


Hello Doctor, I would like to inquire about my first urination after waking up.
The urine flow is slow, intermittent, and weak, and it takes a long time to finish (I often feel the need to push).
Is this normal? I read online that holding urine for a longer period might make it more difficult to urinate during the first one or two times after waking up.
I have been experiencing this condition for quite some time, and I am worried about kidney damage.
In August, my blood test showed a glomerular filtration rate of over 96, which concerns me.
Additionally, I would like to ask if straining during urination can lead to bladder fibrosis.
Thank you, Doctor.

Wei, 20~29 year old female. Ask Date: 2021/09/22

Dr. Du Shixi reply Urology


Hello, Doctor.
I would like to inquire about my first urination after waking up.
The urine flow is slow, intermittent, and weak, and it takes a long time to finish (I often have to strain).
Is this normal? I read online that this could be due to holding it for a longer period, which might make it harder to urinate during the first one or two times after waking up.
I've been experiencing this for quite a while, and I'm worried about kidney damage.
In August, my blood test showed a glomerular filtration rate of just over 96, which concerns me.
I understand that kidney function should be monitored regularly and that I should avoid salty foods.
Generally, urination should not be affected.
Additionally, I would like to ask if straining during urination can lead to bladder fibrosis.
Thank you, and I wish you good health.

Reply Date: 2021/09/22

More Info


Morning urination issues, particularly when characterized by a slow flow, intermittent stream, and the need to exert effort to urinate, can be concerning for many individuals. It is important to understand the potential causes and implications of these symptoms, as well as when to seek medical advice.

Firstly, experiencing a slow and intermittent urine flow upon waking can be attributed to several factors. One common reason is the bladder's state after a night of sleep. During sleep, the bladder fills with urine, and upon waking, the body may take some time to fully activate the urinary system. This can lead to a sensation of urgency but with a slow flow, particularly if the bladder has been distended for a prolonged period.
Additionally, the act of urinating can be influenced by the body's overall hydration status and the volume of urine produced overnight. If you have been dehydrated, the urine may be more concentrated and the flow may be slower. Conversely, if you have consumed a lot of fluids before bed, the bladder may be full, but the body may still be adjusting to the need to urinate after a period of inactivity.

Another consideration is the possibility of urinary tract issues. Conditions such as benign prostatic hyperplasia (BPH) in men can lead to difficulties with urination, including a weak stream and the need to push to initiate flow. In women, pelvic floor dysfunction can similarly affect urination. If these symptoms persist, it may be beneficial to consult a healthcare provider for further evaluation.

Regarding your concern about kidney health, a glomerular filtration rate (GFR) of 96 is generally considered to be within the normal range for kidney function, especially in older adults. However, if you are experiencing persistent urinary symptoms, it is advisable to monitor your kidney function regularly and discuss any concerns with your healthcare provider.

As for the question about straining during urination, it is important to note that consistently exerting force to urinate can lead to complications. Straining can increase pressure in the bladder and may contribute to conditions such as bladder dysfunction or even bladder fibrosis over time. It is generally recommended to avoid straining and to seek medical advice if you find yourself needing to push to urinate regularly.

In summary, while occasional slow or intermittent urine flow upon waking may not be a cause for alarm, persistent symptoms warrant further investigation. It is advisable to maintain a healthy lifestyle, stay hydrated, and monitor your urinary health. If you continue to experience difficulties, consider consulting a urologist or your primary care physician for a comprehensive evaluation. They may recommend tests such as a urinalysis, ultrasound, or other diagnostic procedures to determine the underlying cause of your symptoms and to rule out any serious conditions.

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