Why Do My Sinuses Block Completely When I Am Around Farm Horses?
1. Introduction Complete sinus blockage when near horses is a severe manifestation of allergic rhinitis, where the inhalation of equine dander triggers massive mucosal inflammation and profound vasodilation within the nasal cavities. When microscopic proteins produced by the horse enter the human respiratory tract, the immune system falsely identifies them as dangerous pathogens. This identification … Read more