Thank you for your query.
I can understand your concern.
Please do the following tests.
Do a x ray
of the sinuses
, adenoids and a serum IgE level.
I think yyour child has high allergy
levels.If these tests come positive long term monteleukast will give your child much relief.
Kindly do a screening test for cystic fibrosis
If you have any further queries you are free to consult me.
Hope this answers your query.
Wishing a speedy recovery.
Have a nice day.