Red Bump on Penis: Causes, Symptoms, and Treatment Options - Urology

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This morning I noticed a red bump on my penis that looks like a pimple, with a white spot similar to a pimple.
It is located on the glans and is somewhat painful when squeezed, and there is some white discharge.
Is this a pimple? How should I handle this?

Niming, 20~29 year old female. Ask Date: 2010/11/15

Dr. Xu Weikai reply Urology


Hello, it could be acne or inflammation of the sebaceous glands.
However, it is advised not to squeeze them, as it can sometimes lead to inflammation, which can be troublesome.
If there are any unclear points, feel free to ask again, and we can discuss and research further.
This response is from Dr.
Hsu Wei-Kai, Director of the Urology Department, Taitung Hospital, Department of Health, Executive Yuan.

Reply Date: 2010/11/15

More Info


When it comes to red bumps on the penis, there are several potential causes that could explain your symptoms. Based on your description of a red bump resembling a pimple with a white head, it could be a few different things, including a folliculitis, a sebaceous cyst, or even a sexually transmitted infection (STI) such as herpes or genital warts.
Folliculitis is an inflammation of the hair follicles, which can occur anywhere on the body, including the genital area. It often presents as small red bumps that may resemble pimples and can be painful or itchy. This condition is usually caused by bacteria, irritation, or blockage of the hair follicles.
Sebaceous cysts are another possibility. These are non-cancerous lumps that can form under the skin when sebaceous glands become blocked. They are typically painless but can become inflamed or infected, leading to discomfort and the formation of pus, which may cause a white head.

If the bump is painful and has pus, it could also be indicative of an infection, which may require medical treatment. In some cases, if the bump is accompanied by other symptoms such as sores, blisters, or unusual discharge, it could suggest a sexually transmitted infection.
Given the sensitive nature of the area and the potential for various underlying causes, it is crucial to seek medical attention from a healthcare provider or a dermatologist. They can perform a physical examination, possibly conduct tests, and provide an accurate diagnosis.
In terms of treatment, it is essential not to attempt to pop or squeeze the bump, as this can lead to further irritation or infection. If it is determined to be folliculitis, treatment may include topical or oral antibiotics. For sebaceous cysts, if they are not causing significant discomfort, they may not require treatment, but if they become infected, drainage or surgical removal may be necessary.
If the bump is determined to be related to an STI, appropriate antiviral or antibiotic medications will be prescribed based on the specific infection.
In the meantime, maintaining good hygiene and avoiding irritants such as harsh soaps or tight clothing can help prevent further irritation. It is also advisable to refrain from sexual activity until you have been evaluated by a healthcare professional to avoid potential transmission of an infection.

In summary, while it may be tempting to self-diagnose, the best course of action is to consult with a healthcare provider who can provide a thorough evaluation and appropriate treatment options. Early intervention can help prevent complications and ensure a swift recovery.

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