Small White Bumps on the Penis: Causes and Treatment Options - Urology

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Penile papules


Hello, doctor.
I would like to ask about some small, clustered white bumps that have appeared on the underside of the penis.
They are about 1 centimeter in diameter, very small, and can only be seen with close inspection—there are approximately ten or so of them.
The location is near the shaft of the penis, close to the glans, and the person needs to use a mirror to see them (on the underside of the penis).
I am wondering what these might be.
Do they have any direct impact on health? Is it necessary to see a doctor, or can they be treated with some topical medication? If a doctor visit is needed, which specialty would be most appropriate? Thank you, doctor.

#Niming, 20~29 year old female. Ask Date: 2014/08/18

Dr. Xu Weikai reply Urology


Hello, you may have a sebaceous adenoma or other lesions.
It is advisable to consult a urologist or dermatologist.
If there are any unclear points, feel free to ask again for further discussion and research.
Online responses can only serve as a reference; if necessary, you should seek medical attention at a healthcare facility.
This message is from Dr.
Hsu Wei-Kai, Head of Urology, Taitung Hospital, Ministry of Health and Welfare, who cares about your well-being.

Reply Date: 2014/08/18

More Info


The small white bumps you are describing on the underside of the penis, particularly near the glans, could be a few different things. One common possibility is a condition known as pearly penile papules, which are harmless and typically appear as small, white or flesh-colored bumps arranged in a row around the corona of the glans. These are normal anatomical variations and do not require treatment unless they cause psychological distress.

Another possibility is sebaceous cysts or epidermoid cysts, which can occur when sebaceous glands become blocked. These cysts are usually painless and may appear as small, white bumps. They can sometimes become inflamed or infected, leading to discomfort or pus formation, but they are generally benign.

If the bumps are new, changing in appearance, or associated with other symptoms such as pain, itching, or discharge, it would be advisable to consult a healthcare professional. In such cases, a visit to a urologist or a dermatologist would be appropriate, as they specialize in conditions affecting the genital area and skin, respectively.

In terms of treatment, if the bumps are indeed pearly penile papules or sebaceous cysts, no treatment is necessary unless they are bothersome. If they are cysts that become infected, a healthcare provider may recommend drainage or, in some cases, surgical removal. Over-the-counter topical treatments are generally not effective for these types of bumps and may even irritate the skin further.

It's important to maintain good hygiene in the genital area, as this can help prevent infections and other skin issues. However, simply keeping the area clean will not eliminate these bumps if they are a normal anatomical variant or benign cysts.

If you are concerned about the appearance of these bumps or if they change in any way, it is best to seek medical advice. A healthcare professional can provide a proper diagnosis and recommend appropriate treatment options if necessary. Remember, it’s always better to err on the side of caution when it comes to changes in your body, especially in sensitive areas.

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