I have little swelling on the head of my penis and a small rash on one side its not itchy or painful just looks ugly?

Possibilities. : A blemish can develop on the penis. Another likely candidate would be a papilloma from HPV. Seeing the rash would help. This is the Health-tap general site and if you log back in you can get to areas to connect with physician. You could send picture and typically a diagnosis could be made from the comfort of your home. If yo have a provider, you could contact them.