There are many potential causes for your stuffy nose, including allergic rhinitis. But long-lasting hyponosmia may indicate a more severe condition, including chronic sinus infections and nasal polyps. Less commonly, trouble smelling and tasting can be a sign of a neurological disease.
Your doctor can, in some cases, determine what's causing your case of hyponosmia during a physical exam. But, a CAT scan of the sinuses may be necessary to find out if you have a chronic sinus infection or nasal polyps.
Learn more about various treatments for allergic rhinitis, including nasal steroid sprays, the most effective allergy medication for nasal congestion.
Source:
Slavin RG, Spector SL, Bernstein IL. The Diagnosis and Management of Sinusitis: A Practice Parameter Update. J Allergy Clin Immunol. 2005; S13-47.
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