I have a big mushroom head at the tip of my penis and when i get erections my foreskin get tight and trapped behind the head and it gets sore what can i do to resolve this?

Urology: Consider an urological evaluation to determine what interventions can correct this problem.

Tight foreskin: Consult a urologist to determine whether there is any foreskin pathology that is making your foreskin so tight. If so certain anti-inflammatory ointments or anti scarring ointments may be prescribed. There are stretching exercises that can sometimes stretch foreskin. You want to avoid full-fledged phimosis that requires circumcision