What Should I Do About Burning, Blackened Foreskin And Pus After Sex, Despite Taking Sporidex And Using Flucort Ointment?

Hello doctor,recently I had sex with my partner and then I had black skin and burning sensation on the penis foreskin.and now it has started forming a yellowish whitish pus like what treatment should ne taken.abd I m circumcised too.im been taking spordex 500mg since 3days and fluecton ointment