Just a boil. I have one near my groin too. First got it after puberty sometime. I'm 30, and it's filled up again maybe, I dunno, 4 times since then. Accutane helped me greatly, but I'm left with awful facial scarring. My acne didn't get really bad until my 20s. I see my derm again this month, and I'm sure he'll put me on another course this time. Only agreed to give me the topical stuff last time. My face is awful again, and it's painful.