I have this rash on the end of my penis (on the head) and there are several spots that come and go but they don't itch or hurt and i am not sure what it could be. I don't think that it is an STD because i haven't had sex in a while and when i do I use a condom or make sure that my partner has been tested i Just want to find out what it is and how it could be helped. I wash regularly but it never works. Someone help?