A Friend Tells You He Has Swelling and Inflammation of the Head

A friend tells you he has swelling and inflammation of the head of his penis. Your advice for him is to

A) see his doctor; he may need to wash his penis more often and apply an antibiotic cream.
B) see his doctor; he will likely need minor surgery.
C) see his doctor; he will need to stop masturbating for a while.
D) ignore it; it's common and will correct itself quickly.
E) see his doctor; if untreated, he could become infertile.