Hey, Im 16 years old.. From northern Scotland.. I'm getting a little worried about a little spot on my penis.. it keeps appearing in the same place over and over again. I keep bursting it and puss stuff comes out and sometimes blood! I'm just wondering if anybody could help me I'm starting to get really worried! I do have sex quite a lot with my partner but I'm sure it's not an STI.. please will somebody answer my question... Thank you. =) x x x

Sounds like a pimple... but if you are in doubt - or it has been a long time since you have seen a Doctor, you should get checked out.