I've been concerned about these for a while, but I very rarely get them. I actually haven't gotten them in years and started again recently. These are very close to pimples, and tend to have alot of blood in them. They are pretty big sometimes and they hurt. I have no idea what they are but I guess the reason I never got them checked was because I started getting them before I ever had sex, and I've also been tested for STDs and tests have always been negative. So my question is what are they and should I worry?
Thank you