I was offered that opportunity but being as I am cold triggered it would have triggered a massive flare! But I am going to ask my new pcp, about hyperbaric chamber therapy, as I have hear it does help

Your sinus and ears roughly drain into you that her closely. Try taking low dose Benadryl. It will help with sinus and ear canal swelling, which can cause bubbling in you ears. I have had it off and on my whole life and that is what the ear, nose and throat specialist told me to do. If doesn't improve call and request a referral to an ear nose and throat specialist who can help with the initial cause and assist you in controlling it

https://www.myfibroteam.com/resources/fda-throw...

FDA Throws Cold Water on Whole Body Cryotherapy | MyFibroTeam

https://www.myfibroteam.com/resources/fda-throws-cold-water-on-whole-body-cryotherapy

It doesn't stop them for me, but, it does help when I feel my sinuses getting weird.

Good! Flonase also will stop a sinus infection too!