Suggest Remedy For Rough Penis Head

I met a lady whom i had sex un-protected...ever since i have been having some roughness on the cap of my dick..i visited a pharmacist who gave me some,injections that he was suspecting it to be syphilis or Herpes...after his medication which yield no positive out come..i went to see a doctor and he placed me on drugs...Virest,tablet and the ointment,i am also using daktarin cream ....later on i had out break..but the syptoms refused to clear away totally.Pls i need help for it to wipe off totally.Siena,age 27.