$20, Walgreens:
https://www.walgreens.com/store/c/walgreens-24-hour-budesonide-nasal-spray/ID=prod6328689-product
82% effective as early treatment (#2 overall) per major studies:
That isn't a budesonide inhaler for treating the lungs. Budesonide for treating asthmatics, which is what the Bartlett article refers to, is this and the nebulizer version and it's 15 to 25 times more expensive than that $18 nose spray.