Scared molluscum or hpv?

i got 3 bumps before 2 weeks after two days there comes some black and gray dots with them and there is itching on those black dots but when i bath those blacks dots fall of i go to my doctore he gave me antibacterial medicines and with in 4 days all those itching and dots gone As the day passes i found a white head on my bumps they are same looks like molluscum

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but these are molluscum the what are those black and gray dots

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these are the black dots if they warts they dont go in a day