Pain On The Tip Of Penis And Developed A Rash

Patient: This morning i woke up with a slight pain in the tip of my penis and when i went to pee it burned alot I then masterbated a short while after thinking nothing of the burning and then the tip of my penis got a red rash around the opening of the urithra. im a swimmer i spend alot of time in the pool iv read that chlorine can effect it.