Urine Release During Oral Sex: Health Implications and Concerns - Urology

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Urinary ejaculation during oral sex?


Hello Doctor: Recently, I had vaginal intercourse with my boyfriend, and after ejaculation, I performed oral sex on him.
During oral sex, he experienced an orgasm and expelled urine.
This is the first time I have encountered urine expulsion after ejaculation, as I have previously engaged in oral sex with other partners after ejaculation without this occurring.
I would like to ask if this situation indicates a potential issue with my boyfriend's urinary system? Should he seek medical attention? Or is the expulsion of urine also a type of male orgasmic response? Additionally, I would like to know if performing oral sex after ejaculation or experiencing orgasm followed by urination could have any adverse effects or harm to the male body.
Thank you in advance for your response, and I wish you well.

27, 20~29 year old female. Ask Date: 2018/07/10

Dr. Du Shixi reply Urology


Hello: I have not encountered this situation with the patient before, so I cannot provide an answer.
You may need to consult another physician.

Reply Date: 2018/07/10

More Info


When it comes to the phenomenon of urine release during oral sex, particularly after ejaculation, it is essential to understand the anatomy and physiology of the male reproductive and urinary systems. In men, the urethra serves a dual purpose: it is the channel through which both urine and semen exit the body. This anatomical arrangement can sometimes lead to confusion regarding the release of urine during sexual activities.

Firstly, it is important to note that the release of urine during oral sex, especially after ejaculation, can occur and is not necessarily indicative of a medical problem. This can happen due to a few reasons:
1. Residual Urine: After ejaculation, there may be residual urine in the urethra. If the bladder is not completely emptied before sexual activity, this residual urine can be expelled during oral sex or any other sexual activity.

2. Physiological Response: During sexual arousal and orgasm, the body undergoes various physiological changes. The pelvic muscles contract, and the urethra may be stimulated in a way that causes the release of urine. This is not uncommon and can happen even in the absence of a full bladder.

3. Involuntary Reflex: The male orgasm involves a series of involuntary muscle contractions, which can sometimes lead to the expulsion of urine, particularly if the bladder is full or if the individual is particularly relaxed.

Now, regarding whether this situation indicates a problem with your boyfriend's urinary system, it is generally not a cause for concern unless accompanied by other symptoms such as pain, burning during urination, or changes in urinary habits (like increased frequency or urgency). If your boyfriend experiences any of these symptoms, it would be advisable for him to consult a healthcare professional for a thorough evaluation.

As for the health implications of engaging in oral sex after ejaculation, there are a few considerations:
1. Risk of Infection: Engaging in oral sex after ejaculation can pose a risk for sexually transmitted infections (STIs) if either partner is infected. Urine itself is typically sterile, but it can carry bacteria if there is an underlying urinary tract infection (UTI). Therefore, practicing safe sex, including the use of barriers like condoms, is recommended.

2. Physical Discomfort: If urine is expelled during oral sex, it may cause discomfort or an unpleasant experience for the receiving partner. Communication between partners is crucial to ensure that both feel comfortable and consenting to the activities.

3. No Significant Harm: Generally, the act of expelling urine during oral sex does not cause physical harm to the male partner. However, if there are concerns about hygiene or comfort, it may be beneficial to discuss these openly with your partner.

In summary, while the release of urine during oral sex after ejaculation can be surprising, it is not inherently a sign of a medical issue. It is essential to maintain open communication with your partner about any concerns and to practice safe sex to minimize the risk of infections. If there are any persistent symptoms or concerns, seeking medical advice is always a prudent choice.

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