I hope you are better soon.
Sent this video to a friend of mine and she sent to her husband, who is a Geriatric Physician and treats all his covid patients with it.
Has worked well for everyone of them.
https://medlineplus.gov/druginfo/meds/a601030.html
contained in some over the counter nasal sprays
eg
https://www.walmart.com/ip/Equate-Non-Drowsy-Budesonide-Nasal-Spray-32mcg-120-sprays/124968916?