Unexplained Swelling Along the Penis: Causes and Concerns - Urology

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Understanding unexplained swelling along the penis can be a complex issue, as it may stem from various causes, ranging from benign to more serious conditions. Based on your description, it seems that you have been experiencing recurrent swelling and painful nodules along the penile shaft for several years. This situation can be concerning, and it is essential to consider several potential causes.

One possible explanation for the swelling and nodules could be Peyronie's disease, which is characterized by the development of fibrous scar tissue inside the penis, leading to curved, painful erections. However, the symptoms you describe, particularly the ability to "pop" the swollen areas and the absence of a foul odor, suggest that this may not be the case.

Another possibility is sebaceous cysts or epidermoid cysts, which are common and typically harmless. These cysts can appear as small, round lumps on the skin and may become inflamed or infected, leading to swelling and discomfort. The fact that you can apply pressure and cause them to "pop" could indicate that they are filled with a substance that can be expelled, which is characteristic of cysts.

Folliculitis is another condition to consider. This is an inflammation of the hair follicles, which can occur anywhere on the body, including the genital area. It can present as small, red bumps that may be painful and can sometimes drain pus if they become infected.

In some cases, allergic reactions or irritation from personal care products, soaps, or even friction from clothing can lead to localized swelling and discomfort. If you have recently changed any products or routines, this could be a factor.

Given that you have experienced these symptoms for several years and have previously consulted a physician without a definitive diagnosis, it may be beneficial to seek a second opinion from a urologist. They can perform a thorough examination, possibly including imaging studies or biopsies if necessary, to determine the exact nature of the swelling and provide appropriate treatment options.

In summary, while there are several potential causes for the swelling and nodules along the penis, including cysts, folliculitis, or allergic reactions, a definitive diagnosis can only be made through a clinical evaluation. It is crucial not to ignore these symptoms, especially since they have persisted for years. Consulting a specialist will help ensure that you receive the appropriate care and peace of mind regarding your health.