i am a young male with the age of 21 but i have a problem that satrted in 2013 november when i used to have sex with his other girl, we had sex moretahn twice and in some occasions we used condoms nd most of the time it was bare,, i started to to experience very small sore at the tip of my genital forskin but a centimeter below, it went on till now, the sores nomally took a week and sometimes not morethan a 2 weeks than they disapear, i went to the hospital top get a urine test last year november but they got no bacterial build up, and i was given antibiotics and an injection, at first i thought it was alldone but but when i try to have sex with a condom from there ill feel an irritating feeling inside my foreskin, and sores than starts appear after three days outside,i dont have any yellow discharge at the tip of my part, i experienced these so called pimples tha they told me at the hospital morethan 9 times now and now i have a sore inside my skin which looks kinda yellow and feels like pain when i press my foreskin, and two weeks ago i had sores which lookede kike the colour of my dick but latter on looked black and dry, i need help?