Extremely itchy soft rash/spot on penis and scrotum. Please help!

Soft, rash/spot appeared on penis overnight and it's extremely itchy. At the same time some spots also appeared on the scrotum. Please help as they're really itchy and annoying. I've never had any sexual contact.

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I have already responded to this at the above link
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John, if you want a further response from me update your original post …