What Causes Penis Rashes And Dryness With Foreskin Retraction Problems And Pain?

hi doctor me and my husdan had sex during first day of my periods without protection and after some days we noticed he was having rashes and after few days we had sex on regular basis could aND NOW HE IS HAVING DRY PENIS HIS FORESKIN IS NOT AT ALL MOVING BACK AND IF HE IS TRYING TO MOVE IT HE IS HAVING PAIN CN YOU PLS SOGGESTT ME SOME REMIDY TO THIS PROBLEM