Oh boy, have we been there done that! Nasal sprays are NO FUN! I am sorry!
For DS (almost 2), it helps to have him use the Kleenex to wipe and to make silly noises while spraying. But for DD (5 now) nothing seems to help. It is hard!
No advice except to ask the naturopath about the role of magnesium, fatty acids and probiotics in treating allergies. They are all super important.
Hang in there -- and if dust is on her allergy list, email me and I will send you my...