Urination After Erection or Ejaculation: Impact on Prostate Health - Urology

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Urination during or after ejaculation when there is sexual arousal or erection?


Thank you for your previous clarification, Doctor.
I would like to ask again: when I have sexual arousal and an erection, or after masturbating and ejaculating, I often feel the urge to urinate and quickly go to the bathroom.
At this time, is the prostate gland in a state of excitement and congestion? Will urinating at this moment harm the prostate, or could it cause any other negative effects? Thank you, Doctor.

Shitou, 20~29 year old female. Ask Date: 2014/02/28

Dr. Xu Weikai reply Urology


Hello, in general circumstances, it will not cause harm.
Holding in urine can cause more significant damage.
If there are any unclear points, feel free to ask again, and we can discuss and research further.
Answers found online should only be used as a reference; if necessary, it is important to seek medical attention at a healthcare facility.
This message is from Dr.
Hsu Wei-Kai, Director of the Urology Department, Taitung Hospital, Ministry of Health and Welfare, who cares about your well-being.

Reply Date: 2014/02/28

More Info


When discussing the relationship between urination after erection or ejaculation and prostate health, it is essential to understand the physiological processes involved. During sexual arousal and erection, the prostate gland and surrounding tissues become engorged with blood, which can lead to increased sensitivity and a heightened state of activity in the prostate. This state can indeed influence the urinary system, particularly in terms of urgency and frequency of urination.

After ejaculation, many men experience a strong urge to urinate. This is partly due to the physiological changes that occur during ejaculation, which can stimulate the bladder and create a sensation of fullness. The prostate gland, which is located just below the bladder, plays a crucial role in this process, as it produces a significant portion of the fluid that makes up semen. The contraction of the prostate during ejaculation can also lead to a temporary increase in pressure within the pelvic region, which may contribute to the urge to urinate shortly afterward.

From a medical perspective, urinating immediately after ejaculation is generally not harmful to the prostate. The prostate is designed to handle the mechanical and physiological stresses associated with sexual activity, including the subsequent urination. However, if a person experiences pain or discomfort during urination after ejaculation, it may indicate an underlying issue, such as prostatitis (inflammation of the prostate) or other urinary tract conditions. In such cases, it would be advisable to consult a healthcare professional for further evaluation.

It is also worth noting that frequent urination, especially if accompanied by discomfort, can be a sign of prostate enlargement or other prostate-related issues. Conditions such as benign prostatic hyperplasia (BPH) can lead to increased urinary frequency and urgency, particularly in older men. While the act of urinating after sexual activity is not inherently damaging, it is essential to monitor any changes in urinary habits or symptoms, as they may warrant further investigation.

In summary, urinating after an erection or ejaculation is a common experience for many men and is not typically harmful to prostate health. However, if there are any concerning symptoms, such as pain, blood in the urine, or significant changes in urinary patterns, it is crucial to seek medical advice. Regular check-ups and open communication with healthcare providers can help maintain prostate health and address any potential issues early on.

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