Unusual Bumps on the Penis: Causes and Concerns - Urology

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Foreign object on the penis?


Hello Doctor: I noticed a prickly sensation on my penis one day, but I still masturbated.
The next day, I found a small swollen lump (approximately 0.5 cm in diameter) beneath the skin, located just below the glans (from a top-down view).
It's a bit difficult to describe the location, but if viewed from below, it should be at the triangular junction between the glans and the shaft, resembling a small flesh-colored bump that only hurts when touched.
Could this be due to excessive friction causing a skin tear and swelling? Here is a diagram (the glans is exposed): / /-------|X<-
Ci ci de, 10~19 year old female. Ask Date: 2014/09/22

Dr. Li Xinyi reply Urology


It is indeed possible that excessive friction has caused a subcutaneous blister.
Avoid any further contact for a week.
Pay attention to cleanliness to prevent infection.
Monitor the situation, and if there are any issues, consult a urologist.

Reply Date: 2014/09/22

More Info


Understanding unusual bumps on the penis can be concerning, and it’s important to approach this topic with sensitivity and a clear understanding of potential causes. Based on your description, it sounds like you have developed a bump that is painful to the touch and located at the junction of the glans (the head of the penis) and the shaft.
There are several potential causes for bumps or lumps in this area, and they can range from benign to more serious conditions. Here are some possibilities:
1. Pearly Penile Papules: These are small, harmless bumps that can appear around the corona of the glans. They are normal anatomical variations and do not require treatment.

2. Fordyce Spots: These are small, painless, pale bumps that are sebaceous glands without hair follicles. They are also benign and common.

3. Folliculitis: This is an inflammation of the hair follicles, which can occur due to irritation, friction, or infection. If the bump is red and painful, it could be a sign of folliculitis.

4. Cysts: Sebaceous cysts can develop in the genital area and may feel like a lump under the skin. They are generally harmless but can become infected.

5. Infection: Conditions such as herpes or other sexually transmitted infections (STIs) can cause painful bumps or sores. If you have had unprotected sexual contact, it’s important to consider this possibility.

6. Trauma or Irritation: Given that you mentioned engaging in masturbation, it’s possible that friction or trauma could have caused irritation or a small hematoma (a localized collection of blood outside of blood vessels) that feels like a bump.

7. Genital Warts: Caused by the human papillomavirus (HPV), these can appear as small, flesh-colored or gray bumps. They may be painless or tender.

8. Other Skin Conditions: Conditions such as lichen planus or psoriasis can also affect the genital area and cause bumps or lesions.

Given the location and the fact that the bump is painful, it would be prudent to seek medical evaluation. A healthcare provider can perform a physical examination and may recommend tests if necessary to determine the exact cause of the bump. They can also provide appropriate treatment options based on the diagnosis.

In the meantime, avoid any further irritation to the area. Refrain from activities that may exacerbate the bump, such as vigorous sexual activity or masturbation, until you have been evaluated by a healthcare professional.
Remember, while many bumps can be benign, it’s always best to err on the side of caution and consult with a doctor, especially if you notice changes in size, color, or if you experience additional symptoms such as discharge, fever, or persistent pain. Early diagnosis and treatment can help alleviate concerns and ensure your health and well-being.

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