Roger:
Redness on sensitive skin like the
penisCancer - penis
Curvature of the penis
Penis care (uncircumcised)
Penis pain can last for weeks or longer. It'll go away.
As for the spot, small cysts typically grow in that region. I'd show a doc next time you see one, but it doesn't sound like anything you have to do something about.
Best.
Dr. Rockoff