Dear docs im a boy and I have a few like pimples around my public area above my penis theres a few little ones and theres a big one and I popped the big one and puss came out like a normal pimple but then it turn dark like the skin was dead and the other ones are just red no puss that i can see its been like that for a long time now and I just started reading about stds so I was just wondering if u could give me any advice on if its stds please help