Frequent Urination After Intercourse: Causes and Concerns Explained - Urology

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Frequent urination after sexual intercourse?


Hello Doctor, I apologize for disturbing your valuable time.
I have searched for answers in previous articles, but I am still not at ease as the content does not quite match my boyfriend's situation.
I would like to clarify further.
My boyfriend and I have been intimate frequently, and over the past two months, he has experienced severe urinary urgency after each encounter.
He feels an overwhelming need to urinate but the amount is minimal, and he keeps running to the bathroom.
I am very concerned that it might be a urinary tract infection.
However, if we intentionally refrain from intimacy for two to three days, the symptoms are not as severe; he can control his urge to urinate and does not need to go to the bathroom frequently.
I am unsure what this phenomenon could be.
My boyfriend thinks it might be related to our intimacy, but I am still worried.
Could you please provide me with some answers? I apologize again for taking up your precious time.

enna, 20~29 year old female. Ask Date: 2005/04/26

Dr. Xu Weikai reply Urology


Enna: Hello, the erection of the penis involves the coordination between the sympathetic and parasympathetic nervous systems for it to be successful.
The excitation of the nerves can cause bladder contractions, leading to the phenomenon of frequent urination, which is normal.
Once the nerves calm down, normal function can be restored.
This is similar to the occurrence of frequent urination when one is nervous.
Generally, men rarely experience cystitis, so there is no need to be overly concerned.
If you are still worried, you can undergo a urinalysis, which usually reveals some occult blood and other symptoms due to sexual activity, but there will not be any signs of inflammatory cells.
In summary, this phenomenon is normal, and there is no need to worry too much.
Department of Urology, Taitung Hospital, Ministry of Health and Welfare, Director Hsu Wei-kai's response.

Reply Date: 2005/04/26

More Info


Frequent urination after intercourse can be a concerning symptom, and it's understandable that you want to seek clarity on this issue. Based on the information provided, there are several potential causes for your boyfriend's symptoms, and it’s important to consider both physiological and psychological factors.

Firstly, frequent urination, especially when it occurs after sexual activity, can sometimes be attributed to irritation of the bladder or urethra. This irritation can be caused by several factors, including:
1. Infection: Urinary tract infections (UTIs) are a common cause of increased urgency and frequency of urination. If your boyfriend has had a UTI in the past, he may be more susceptible to developing one again, especially after sexual activity, which can introduce bacteria into the urinary tract. Symptoms of a UTI often include a strong urge to urinate, burning sensation during urination, and sometimes blood in the urine.

2. Postcoital Cystitis: This is a condition where inflammation of the bladder occurs after sexual intercourse. It can lead to symptoms similar to those of a UTI, such as frequent urination and urgency, but may not necessarily involve an infection. This condition is more common in women but can occur in men as well.

3. Prostatitis: In men, inflammation of the prostate gland (prostatitis) can also lead to urinary symptoms. This condition can be acute or chronic and may be triggered by sexual activity. Symptoms can include frequent urination, pain during urination, and pelvic discomfort.

4. Psychological Factors: Anxiety or stress related to sexual activity can also manifest as increased urinary frequency. If your boyfriend is feeling anxious about the sexual encounter or its aftermath, this could contribute to his symptoms.

5. Hydration and Diet: Increased fluid intake, especially of irritants like caffeine or alcohol, can lead to more frequent urination. If your boyfriend has been consuming more fluids or certain foods that irritate the bladder, this could also be a factor.

Given that the symptoms seem to improve when sexual activity is reduced, it may suggest a connection between the two. However, it is essential to rule out any underlying medical conditions. Here are some steps you can take:
- Consult a Healthcare Provider: It’s advisable for your boyfriend to see a healthcare professional for a thorough evaluation. This may include a urinalysis to check for signs of infection, as well as a discussion about his symptoms and any other relevant medical history.

- Monitor Symptoms: Keeping a diary of symptoms, including frequency of urination, fluid intake, and any other related symptoms, can help the healthcare provider make a more accurate diagnosis.

- Consider Lifestyle Changes: If certain foods or drinks seem to exacerbate the symptoms, it may be worth reducing or eliminating them from his diet. Additionally, ensuring adequate hydration without overconsumption can help.

- Pelvic Floor Exercises: If the issue is related to pelvic floor muscle tension or dysfunction, pelvic floor exercises may help improve bladder control.

In conclusion, while frequent urination after intercourse can be concerning, it is often manageable with the right approach. Encourage your boyfriend to seek medical advice to ensure that any potential underlying issues are addressed. Open communication between you both about these symptoms can also alleviate some of the stress associated with the situation.

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