Penis swelling with lesions

Men's health
1

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So initially i thought id cut myself whilst using some clippers but its just not healing very well and its swollen. Been like this for 3-4 days now. please help.
2

Hey Man you should have it checked with your doctor!

3

Hey go get this checked out for sure.
I don’t know your sexual history, but it does resemble some symptoms of a sti