Differential Diagnoses Associated with Chronic Rhinitis and Chronic Rhinosinusitis.

Chronic rhinitis and chronic rhinosinusitis can negatively impact quality of life and lead to the development of asthma, myocardial infarction, stroke, sleep disturbance, learning impairment, anxiety, and depression. This article provides an overview of the differential diagnoses of these 2 conditions, including: antibody deficiencies, defects of mucociliary clearance, obstructive sleep apnea, odontogenic conditions, neoplasms, otologic conditions, eating-related disorders, medication-related conditions, disease mimickers, and headache and facial pain conditions.