Recurring Red Bumps on Penis and Glans After Masturbation: What to Know - Urology

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Recurrent small red rashes on the penis and glans?


After each ejaculation, my penis becomes locally red and small red spots appear on the glans.
These symptoms disappear after a day or two, but they reoccur whenever I masturbate, and there is an itching sensation.
There is no burning sensation during urination, nor are there any ulcers.
I have seen sex workers twice, but I used a condom throughout, and the service was only masturbation.
Is this a sexually transmitted infection or an infection from some bacteria? I'm very worried!

Kunrao hen jiu, 20~29 year old female. Ask Date: 2010/12/04

Dr. Li Yilun reply Urology


Sexually transmitted infections (STIs) are diseases transmitted through sexual activity.
If sexual intercourse has occurred, there is a possibility of infection.
A physician cannot easily make a diagnosis based solely on a written description.
If there are any discomforts or skin lesions, it is advisable to consult a dermatologist or urologist for an examination.
Wishing you good health.

Reply Date: 2010/12/04

More Info


When experiencing recurring red bumps on the penis and glans after masturbation, it is essential to approach the situation with a clear understanding of potential causes and appropriate actions. Based on your description, it seems that the red bumps appear consistently after masturbation, accompanied by itching but without any burning sensation during urination or the presence of ulcers. This pattern suggests a few possibilities, but it is crucial to consult a healthcare professional for an accurate diagnosis.

One potential cause of the symptoms you are experiencing could be a condition known as "post-masturbation dermatitis." This condition can occur due to friction or irritation of the skin during masturbation. The skin on the penis and glans is sensitive, and repetitive actions can lead to localized inflammation, resulting in red bumps and itching. This is often exacerbated by insufficient lubrication, which can increase friction and irritation.

Another possibility is that you may be experiencing a mild allergic reaction or irritation from personal care products, such as soaps, lotions, or lubricants used during masturbation. Some individuals may have sensitivities to certain ingredients, leading to localized skin reactions. It is advisable to review any products you use for potential allergens.

In some cases, sexually transmitted infections (STIs) could present with similar symptoms, although they typically come with additional signs such as discharge, pain, or lesions. However, since you mentioned that you have used protection during sexual encounters and do not have other symptoms typically associated with STIs, the likelihood of an infection may be lower. Nevertheless, it is essential to rule out STIs through appropriate testing, especially if you have concerns about your sexual health.

If the symptoms persist or worsen, it is crucial to seek medical advice. A healthcare provider can perform a physical examination and may recommend tests to rule out infections or other dermatological conditions. They may also suggest treatments such as topical corticosteroids to reduce inflammation or antihistamines to alleviate itching.

In the meantime, consider the following self-care measures:
1. Gentle Cleansing: Use mild, unscented soap and warm water to clean the area. Avoid harsh soaps or scrubs that can irritate the skin further.

2. Lubrication: If friction is a concern, consider using a water-based lubricant during masturbation to reduce irritation.

3. Avoid Irritants: Pay attention to any products you use on your genital area and discontinue those that may cause irritation.

4. Limit Frequency: If possible, try to reduce the frequency of masturbation to allow the skin to heal.

5. Wear Loose Clothing: Opt for breathable, loose-fitting underwear to minimize friction and irritation.

6. Monitor Symptoms: Keep track of any changes in your symptoms, including the appearance of new bumps, changes in color, or any additional discomfort.

In summary, while the symptoms you are experiencing may not necessarily indicate a serious condition, it is essential to consult a healthcare professional for a thorough evaluation. They can provide a definitive diagnosis and appropriate treatment options tailored to your specific situation. Taking proactive steps to care for your skin and being mindful of potential irritants can also help manage your symptoms effectively.

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