Is it possible to pop penile papules? (Photo)

I noticed a few days ago I had a small white for on the shaft of my penis. I thought it was a zit so I popped it and puss came out. It then deflated and almost disappeared. Then just last night I went to use the washroom and where it once was Is now a big dark red/black blister like lump. It's dark around the circumference and white in the middle. Will it go away if I leave it alone? Is it just infected? How can I treat it? Thank you

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