My son has horrible allergies π€§π I don't know what it's like and can't feel his pain, but I know that he's miserable.
Discussion
just to point in an often unconsidered direction - not meant as literal or specific advice:
https://www.cbsnews.com/news/weil-says-lsd-cured-his-allergy-01-03-2001/
interdasting
wish i had the balls to try it out lol π
Have you ever tried homeopathy to deal with them? Super safe, natural, zero side-effects π 
i still need to try taping (they tape your back and it allegedly can work for some in a way similar to acupuncture) - thanks for the reminder β€οΈ
i think Weil has small balls...
NSI - Not Spiritual Advice
if you are interested in learning about more of this mystery, I highly recommend Grof - rigorously clinical and mindblowing:
https://www.goodreads.com/book/show/196571.LSD_Psychotherapy
it's like having a constant cold but worse.. you cant breath and sleep properly; for some excessive and continuous eye burning itches and/or excessive sneezing, constant irritations - in short, it is absolutely exhausting and mood killer.. especially wen weather is finally enjoyable π©
So sorry to hear for both of you.. seeing oneβs child suffer is the hardest thing :/