My Son Is About One Year,his Pee Hole Is About

My son is about one year,his pee hole is about to close by the foreskin of his penis.during the last doctor visit,he has given a kind of cream to put it on,it looks open little bit,then doctor told not to Use that medicine.after stop ushing that craeam,again it is about to close.I am scared about it.can plz give me an ideas how to solve the problem of my son?