Hai sir am 30 years old .. i think its long time...

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How to diagnose skin lesion of penis?

if there is a problem of skin of penis in this case you need to consult a dermatologist to examine you to determine the nature of the lesion. I can't just prescribe medication without knowing the cause of the abnormal spot. if the cause is due to fungal infection the treatment is by using antifungal mediction like itraconazol cream. In general I need you to consult a doctor to examine you
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hello
you have a fungal infection that can be treated by antifungal cream like itraconazole cream and fluconazole 150 mg once  and repeat it after 5 days
stay well