Temporary Swelling After Masturbation: Causes and Concerns - Urology

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Post-masturbation effects?


Hello doctor, I have noticed that recently after masturbation, the area of my penis sometimes becomes swollen (sometimes it happens, sometimes it doesn't), but it goes down after a few hours.
I am not sure why this is happening.
Thank you for your explanation.

Xiao Zhang, 20~29 year old female. Ask Date: 2004/03/09

Dr. Lai Ronghao reply Urology


Hello, Xiao Zhang: Based on your description, I suspect you may have varicocele.
Please visit the urology outpatient clinic for an examination.
Sincerely, Dr.
Lai Rong-Hao, Attending Physician, Urology Department, Hsinchu Hospital, Department of Health, Executive Yuan.

Reply Date: 2004/03/09

More Info


Temporary swelling of the penis after masturbation is a phenomenon that can occur for several reasons, and it is generally not a cause for concern. The swelling you are experiencing is likely due to increased blood flow to the area during sexual arousal and stimulation. When you engage in masturbation, the body responds by directing blood to the genital region, which can lead to temporary engorgement and swelling. This is a normal physiological response and usually subsides shortly after the activity ends.

There are a few key factors to consider regarding this swelling:
1. Increased Blood Flow: During sexual arousal, the body releases various hormones and neurotransmitters that cause blood vessels to dilate, allowing more blood to flow into the penis. This engorgement is what causes the swelling. After ejaculation or the cessation of stimulation, the blood flow returns to normal, and the swelling typically resolves within a few hours.

2. Friction and Irritation: The act of masturbation can cause some degree of friction and irritation to the skin and tissues of the penis. This can lead to localized swelling or inflammation, especially if the technique used is vigorous or if lubrication is insufficient. If you notice that the swelling is accompanied by pain, redness, or persistent discomfort, it may be worth evaluating your technique or considering the use of a lubricant to reduce friction.

3. Hydration and Overall Health: Dehydration can sometimes contribute to swelling in various parts of the body, including the genital area. Ensuring that you are well-hydrated can help mitigate this issue. Additionally, overall health, including diet and exercise, can influence how your body responds to sexual activity.

4. Frequency of Activity: If you engage in masturbation frequently, your body may respond differently each time. Some individuals may experience more pronounced swelling after periods of abstinence, while others may notice it more after frequent activity. This variability is normal and can depend on individual physiology.

5. Underlying Conditions: While temporary swelling is usually benign, if you experience persistent swelling, pain, or other unusual symptoms (such as discharge or changes in urination), it may be indicative of an underlying condition, such as a sexually transmitted infection (STI) or other medical issues. In such cases, it is advisable to consult a healthcare professional for a thorough evaluation.

In summary, the temporary swelling of the penis after masturbation is typically a normal physiological response related to increased blood flow and potential minor irritation. If the swelling resolves on its own and is not accompanied by other concerning symptoms, it is usually not a cause for alarm. However, if you have ongoing concerns or if the swelling is accompanied by pain or other unusual symptoms, seeking medical advice is always a prudent step to ensure your health and well-being.

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