If the burn is not severe all you need to do is prevent any infections. Follow the doctor’s instructions and if you see any unusual redness, inflammation, or ooze ask the doctor. If there is any itching apply a cream recommended by the doctor.
i think your physician must have provided you with cream for it. if you follow the doc's instructions carefully, then there should not be any problem. prevent your son from scratching the skin covering the wound-it does get itchy...