I have a strange rash on the head of my penis . I am uncircumsized and the rash doesn t itch , it doesn t burn . It doesn t really do anything but just sit there. its like white spots on head , they are just like a circular ring, its a one circular ring of such rash, and my penis becomes some blueish . below penis head from where the urin excretes just below that thers is also a one spot white spot it has been two weeks since this rash please guide me