Pps. and if he uses a corticosteroid inhaler, phosphorus may be the first remedy here, to take block from it, follow up remedy, is undoubtely calcium carb, after sulphur.
Try sulp first and if no responce give phos, and then sulp followed by calcium carb.
The child shows a well known pattern of vaxine damage, allopathic suppression, and heat from steroids.And hav mercurius in the back of your mind, it may come in handy.