 [ Symptoms ] what to do with rash from football helmet forehead swollen and painful to touch [ Disease ] hi i would just let it get better on its own been washing the inside of your helmet if you have not washed it enough or if its a share helmet then it needs a good clean or better still get a new inside for it and lastly get your self a new helmet but before you shove a helmet back on let your forehead heal and its gone back to normal do not forget to tell your coach why your out of action ok good luck