I had asked whether a picture could be attached and I have not heard back.
It certainly is true that a fungal infection of the skin is a common cause of red skin on the penis. And while clotrimazole is a good medicine for a skin fungal infection, it will not work 100% of the time. When there is a fungal skin infection that does not respond to clotrimazole, there are a couple of commonly used options. It may work better to use a topical antifungal medicine that is in a different chemical class, such as terbinafine/Lamisil. For a stubborn infection, it also may be necessary to use an oral medicine, such as fluconazole/Diflucan. For a particularly severe infection, it may be more effective to use a combination of both a topical and an oral medicine.
There are other conditions of the skin that can cause this redness, such as an inflammatory condition of the skin or a bacterial infection, but it would require a picture of the skin to suggest whether one of these other conditions may be more likely.
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