Allergic Rhinitis vs Sinusitis: How to Tell the Difference and Treat Each One
The key difference between allergic rhinitis and sinusitis is the cause: allergic rhinitis is an immune overreaction to harmless substances like pollen or dust mites, while sinusitis is inflammation or infection of the sinus cavities — usually triggered by a virus, bacteria, or fungus. Allergic rhinitis causes itchy nose and eyes, sneezing fits, and thin…