There are localized dark areas in the coronal sulcus?
Regarding the topic, after retracting the foreskin, I noticed a localized dark area above the coronal sulcus.
It doesn't hurt when I touch it; it just feels different, similar to the sensation in other areas.
Could this be caused by excessive or improper masturbation? (During masturbation, I did not retract the foreskin and directly rubbed my penis against a blanket, with the penis rubbing against the blanket and the top of the penis pressed against my lower abdomen.)
Hei Lang, 20~29 year old female. Ask Date: 2022/12/24
Dr. Du Shixi reply Urology
Hello: The skin can have various colors, both light and dark, as long as there are no raised areas, redness, or broken skin, there should be no issue.
Wishing you good health.
Reply Date: 2022/12/24
More Info
When it comes to observing dark spots on the corona (the ridge of the glans penis), it is essential to understand that there can be various causes for such changes. The corona is a sensitive area, and any alterations in its appearance can be concerning. Based on your description, it seems that the dark spots are not accompanied by pain, which is a positive sign. However, it is still important to consider several potential causes and factors that could contribute to this condition.
1. Hyperpigmentation: One of the most common reasons for dark spots on the skin, including the genital area, is hyperpigmentation. This can occur due to various factors, including friction, irritation, or hormonal changes. In your case, the friction caused by rubbing against a blanket during masturbation could lead to localized hyperpigmentation. This is generally harmless and may fade over time.
2. Frictional Dermatitis: Engaging in activities that involve significant friction, such as the method you described, can lead to irritation of the skin. This irritation may manifest as darkening of the skin in the affected area. If the skin is not broken and there is no pain or discomfort, this is likely a temporary condition.
3. Post-Inflammatory Hyperpigmentation: If there was any previous irritation or inflammation in the area, it could lead to post-inflammatory hyperpigmentation. This occurs when the skin darkens after an injury or irritation has healed. Again, if there are no other symptoms, this is usually not a cause for concern.
4. Sexually Transmitted Infections (STIs): While your symptoms do not suggest an STI, it is important to be aware that some infections can cause changes in skin color or texture. If you notice any additional symptoms, such as pain, discharge, or unusual odor, it would be prudent to seek medical attention.
5. Dermatological Conditions: Certain skin conditions, such as lichen planus or other dermatological issues, can cause changes in pigmentation. If the dark spots persist or change in appearance, consulting a dermatologist or urologist would be advisable.
6. Masturbation Techniques: The method of masturbation you described, particularly if it involves excessive friction or pressure, could potentially lead to skin irritation or changes in pigmentation. It is essential to practice safe and gentle techniques to avoid injury to the sensitive skin of the genital area.
In conclusion, while the presence of dark spots on the corona can be concerning, the lack of pain and other symptoms suggests that it may be a benign condition, possibly related to friction or hyperpigmentation. However, if the spots persist, change in appearance, or if you develop any new symptoms, it is crucial to consult a healthcare professional for a thorough evaluation. They can provide a definitive diagnosis and recommend appropriate treatment if necessary. Remember that maintaining good hygiene and being gentle with sensitive areas can help prevent irritation and promote skin health.
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