White Bumps on the Frenulum: Causes and Treatments - Dermatology

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A protruding lesion has developed on the frenulum of the foreskin?


Last Tuesday, I noticed a raised white circular lesion on my frenulum, which is not painful or itchy (I already have pearly penile papules located in the coronal sulcus, so I'm not sure if this is related).
On Thursday, I visited a urologist who suggested it might be balanitis and prescribed antibiotics and Neomycin ointment, but I feel like it hasn't shrunk or grown.
What could this possibly be? Thank you.

Niming, 30~39 year old female. Ask Date: 2016/10/04

Dr. Wu Yuxin reply Dermatology


Medical regulations state that "a physician must personally examine a patient before providing treatment or prescribing medication," and therefore, online diagnosis is not permitted.
If you are experiencing significant distress, it is advisable to seek medical attention promptly.
It is recommended to consult a urologist.

Reply Date: 2016/10/04

More Info


The presence of white bumps on the frenulum, particularly in the context of your description, can be concerning and warrants a thorough understanding of potential causes and treatments. Based on your description, it seems you have noticed a white, round bump on the frenulum (the band of tissue connecting the underside of the penis to the glans). This bump is not painful or itchy, which is a positive sign, but it is still important to consider various possibilities.

One common cause of white bumps in this area could be pearly penile papules, which are small, benign growths that typically appear around the corona of the glans. They are often mistaken for sexually transmitted infections (STIs) but are completely normal anatomical variations and do not require treatment. However, since you mentioned having a history of pearly penile papules, it is possible that this bump could be related.

Another possibility is Fordyce spots, which are small, painless, pale bumps that can appear on the genital area and are caused by enlarged sebaceous glands. Like pearly penile papules, they are harmless and do not require treatment.

On the other hand, if the bump is associated with inflammation or infection, it could be indicative of balanitis (inflammation of the glans) or posthitis (inflammation of the foreskin). This condition can occur due to various factors, including poor hygiene, irritation from soaps or lotions, or infections (bacterial or fungal). Your urologist's recommendation of antibiotics and a topical treatment suggests that they are considering an infectious cause, which is a reasonable approach.

Given that you have been prescribed antibiotics and a topical treatment (likely an antifungal or antibacterial), it is essential to follow through with the treatment as directed by your healthcare provider. If you do not notice any improvement or if the bump changes in size, color, or sensation, it is crucial to return to your urologist for further evaluation. They may consider additional diagnostic measures, such as a biopsy, to rule out other conditions, including sexually transmitted infections or other dermatological issues.

In terms of self-care, maintaining good hygiene is vital. Gently cleaning the area with mild soap and water can help prevent irritation. Avoiding harsh soaps, lotions, or any irritants is also advisable. If you are experiencing any discomfort, over-the-counter pain relief may be beneficial, but consult your doctor before taking any medication.

In summary, while the white bump on your frenulum could be benign, such as pearly penile papules or Fordyce spots, it is essential to follow your doctor's advice and complete the prescribed treatment. If there are no changes or if symptoms worsen, further evaluation will be necessary to ensure proper diagnosis and management. Always communicate openly with your healthcare provider about any concerns or changes you observe.

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