Post-Void Sensation: Causes and Solutions - Urology

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The sensation of incomplete bladder emptying?


Hello, doctor.
For the past week or so, I've noticed that shortly after using the restroom, I still feel a slight urge to urinate from my penis and want to relieve myself, although not much actually comes out.
My bladder doesn't feel full, so it's fine if I don't go to the bathroom.
This sensation can sometimes be subtle and other times quite pronounced.
I generally don't wake up at night to use the restroom.
As for my urine volume and flow rate, they seem to have decreased and slowed down a bit.
Could you please tell me what might be causing this?

Guang, 30~39 year old female. Ask Date: 2020/10/28

Dr. Du Shixi reply Urology


Hello: If you are taking other medications, there may be some effects on urination.
If you are not taking any medications, you can try drinking more water for 1-2 days, take walks, avoid spicy and irritating foods, and get adequate rest; this may help you recover.
Wishing you good health.

Reply Date: 2020/10/28

More Info


Understanding post-void sensation, particularly the feeling of residual urine in the urethra after urination, can be quite concerning. This sensation can arise from various underlying causes, and it is essential to consider both physiological and psychological factors that may contribute to this experience.

One common cause of post-void sensation is urinary retention, which occurs when the bladder does not empty completely during urination. This can lead to a feeling of fullness or the sensation that there is still urine in the urethra. Urinary retention can be caused by several factors, including an enlarged prostate in men, urinary tract infections (UTIs), or bladder dysfunction. In your case, if you are experiencing a decrease in urine flow and volume, it may be worth investigating whether there is any obstruction or other underlying condition affecting your urinary tract.

Another potential cause of this sensation could be related to the bladder's sensitivity or overactivity. Conditions such as overactive bladder syndrome can lead to frequent urges to urinate, even when the bladder is not full. This condition may be accompanied by other symptoms, such as urgency and increased frequency of urination. If you find that you are experiencing these symptoms, it may be beneficial to consult with a healthcare provider for further evaluation.

Additionally, psychological factors such as anxiety or stress can also contribute to urinary symptoms. Stress can lead to increased muscle tension and changes in bladder function, which may result in sensations of urgency or incomplete voiding. If you have been under significant stress or experiencing anxiety, addressing these psychological aspects may help alleviate your symptoms.

It is also important to consider lifestyle factors that may be influencing your urinary health. Dehydration can lead to concentrated urine, which may cause irritation in the urinary tract and contribute to the sensation of residual urine. Ensuring adequate hydration can help maintain healthy urinary function. Furthermore, dietary factors, such as caffeine and alcohol consumption, can irritate the bladder and exacerbate urinary symptoms.

In terms of solutions, it is advisable to keep a diary of your urinary habits, noting the frequency, volume, and any associated symptoms. This information can be valuable for your healthcare provider in diagnosing the underlying cause of your post-void sensation. Additionally, pelvic floor exercises, such as Kegel exercises, can help strengthen the muscles involved in urination and improve bladder control.

If the sensation persists or worsens, or if you experience other concerning symptoms such as pain, blood in the urine, or fever, it is crucial to seek medical attention. A healthcare provider may recommend tests such as a urinalysis, ultrasound, or urodynamic studies to assess bladder function and rule out any serious conditions.

In summary, post-void sensation can stem from various causes, including urinary retention, bladder sensitivity, psychological factors, and lifestyle choices. By addressing these potential factors and consulting with a healthcare provider, you can work towards finding relief and improving your urinary health.

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