There is too little to go on, but the comment from sreichman was of great use.

Thanks very much to Divina as well for the comment about AcNit for antibiotics which I will tuck away for reference.

If it is a mould allergy then Phos is to be considered as well - it also covers growth disorders and diabetes insipidus, and ear infections of course.

If the doctor is giving Prednisone [corticosteroid] no remedy can work, so it could only be disheartening to try it until the steroid is stopped Barb.