a Bump Under the Penis: Causes and Concerns - Urology

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When it comes to noticing a bump under the penis, particularly one that resembles a small blister and is painless, there are several potential causes to consider. It’s important to approach this situation with a clear understanding of what might be happening and when to seek further medical advice.

One common cause of a bump in that area could be a sebaceous cyst. These are small, non-cancerous lumps that can form under the skin when a sebaceous gland becomes blocked. They are typically harmless and may not require treatment unless they become infected or bothersome. Another possibility is a pilar cyst, which is similar but usually occurs on the scalp.

Another potential cause could be Fordyce spots, which are small, painless, pale bumps that can appear on the shaft of the penis. They are simply enlarged oil glands and are completely normal, not a sign of any disease or condition.

If the bump is fluid-filled, it could also be a molluscum contagiosum, a viral infection that leads to small, raised, pearl-like bumps on the skin. This condition is generally harmless and often resolves on its own, but it can be contagious, so it’s wise to avoid close contact until it clears up.

While these are some benign possibilities, it’s crucial to consider other conditions that may require attention. For instance, herpes simplex virus can cause blisters or sores in the genital area, and while they are often painful, some individuals may experience asymptomatic shedding. Additionally, warts caused by the human papillomavirus (HPV) can also present as bumps in the genital area.

In rare cases, a bump could indicate a more serious condition, such as penile cancer, particularly if it changes in appearance, bleeds, or is accompanied by other symptoms like pain or swelling.
Given that you mentioned the bump has been present for some time and is not painful, it is likely to be one of the benign conditions mentioned above. However, it is always best to err on the side of caution. If the bump changes in size, color, or shape, or if you develop any new symptoms such as pain, discharge, or changes in urination, you should seek medical evaluation.

In summary, while many bumps under the penis can be harmless, it is essential to monitor any changes and consult a healthcare provider for a proper diagnosis and peace of mind. A healthcare professional may perform a physical examination and, if necessary, recommend further tests or treatments based on their findings. Remember, your health and well-being are paramount, and it’s always better to seek advice than to worry unnecessarily.