ear, nose, and throat disorders
Nasal Congestion and Rhinorrhea
Etiology of Nasal Congestion and Rhinorrhea
The most common causes (see table) are Overview of Viral Respiratory Infections None Overview of Allergic and Atopic Disorders None Dry air may provoke congestion. Sinusitis is slightly less common, and a Patients who use topical decongestants for>3 to 5 days often experience significant rebound congestion when the effects of the decongestants wear off, causing them to continue using the decongestant in a vicious circle of persistent, worsening congestion. This situation (rhinitis medicamentosa) may persist for some time and may be misinterpreted as a continuation of the original problem rather than a consequence of treatment. 