This is Dr. David
thank you for the photo
it doesn't look like MRSA or herpes ulceration if it is not painful
it does look like you have moisture under your penis possibly and this can cause desquamation
keeping the area dry with baby powder can help often
if the area doesn't heal or becomes painful, you need to see a doctor and get a wound culture and evaluation for infection.
getting more rest and sleep can help the area heal
and eating more protein and fruits and vegetables can help the area heal
let me know if you have other questions.
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