White Patches on the Penis: Causes and Concerns

The areas on both sides of the foreskin around the penis have turned white?

Hello doctor, I have a habit of masturbation, and recently after masturbating, I noticed a small area on the left side of my penis that has turned white.
I have also recently discovered a small area on the right side that is similar and cannot be washed off.
Is this a skin condition?

Mr. Zhu, 20~29 year old female. Ask Date: 2016/07/26

Dr. Li Xinyi reply Urology

It sounds like there may not be an issue.
However, if there is concern about the skin's reaction to irritation, it is advisable to see a urologist for an examination.

Reply Date: 2016/07/26

More Info

The appearance of white patches on the penis can be concerning, and it's important to understand the potential causes and implications. There are several conditions that could lead to the development of white patches on the penile skin, and while some may be benign, others may require medical attention.

1. Pearly Penile Papules: These are small, harmless bumps that can appear around the corona of the glans (the head of the penis). They are a normal anatomical variant and do not require treatment.

2. Lichen Sclerosus: This is a chronic inflammatory skin condition that can cause white patches on the skin, including the genital area. It may lead to thinning of the skin and can be associated with itching or discomfort. Treatment typically involves topical corticosteroids.

3. Vitiligo: This is a skin condition characterized by loss of pigmentation, leading to white patches on the skin. It can occur anywhere on the body, including the genital area. Vitiligo is generally not harmful, but it can be cosmetically concerning for some individuals.

4. Fungal Infections: Conditions such as candidiasis (yeast infection) can cause changes in skin color and texture. These infections may present with itching, redness, and a white discharge. Antifungal treatments are effective in such cases.

5. Sexually Transmitted Infections (STIs): Certain STIs, such as genital warts caused by the human papillomavirus (HPV), can present as white lesions. Other STIs may also cause changes in the skin of the genital area, so it’s important to consider recent sexual history.

6. Psoriasis: This is a chronic skin condition that can cause red patches covered with thick, silvery scales. While it is more common on other parts of the body, it can also affect the genital area.

7. Contact Dermatitis: This can occur due to irritation from soaps, lotions, or other products that come into contact with the skin. It may cause redness, itching, and changes in skin color.

Given your description of the white patches being persistent and not easily removable, it is advisable to consult a healthcare professional for an accurate diagnosis. A dermatologist or urologist can perform a physical examination and may recommend further tests, such as a skin biopsy or swab, to determine the underlying cause.

In the meantime, here are some general recommendations:
- Avoid Irritants: Refrain from using harsh soaps or lotions on the genital area. Opt for mild, fragrance-free products.

- Maintain Hygiene: Keep the area clean and dry to prevent infections.

- Avoid Self-Diagnosis: Do not attempt to treat the condition with over-the-counter medications without consulting a healthcare provider, as this may worsen the situation.

In conclusion, while white patches on the penis can arise from various causes, it is essential to seek medical advice to ensure proper diagnosis and treatment. Early intervention can prevent potential complications and provide peace of mind.

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