hi i am 27 yrs old male. i have some problem with the discoloration on my glans penis. the red color is now turned greyish patches and after retracting the foreskin also one big grey patch.this patch is surrounded by white circle whenever i retract the foreskin during urination and longtime after bath.it is smelling too.is this a serious issue any suggestions on cream to solve this problem,,,,,,,,,,,,