Seasonal allergies swell nasal tissues; saline rinses, intranasal steroids

https://www.scribd.com/document/999458283/Types-of-Sleep-Apnea-Oral-Appliances-Which-One-Fits-Your-Needs-228544

Seasonal allergies swell nasal tissues; saline rinses, intranasal steroids, and antihistamines can open nasal passages and ease CPAP breathing.