What Could Red Spots On Penis Post Intercourse Suggest?

I have a sexual problem...i was at a bachelor party ,,,and there i had sex with 3 call girls for almost an 90 minutes,,it was extreemily aggressive,i was soo drunk i cannot remember anything,,it was all
un protective sex with all 3,,,i'm 27yrs old,,,,and now its been two week,,i'm having severe pain on mypenis head,,and some red spots on the head,,i did take anti-biotic,,,but pain is still there