Quality of life in nonallergic rhinitis.

Health-related quality-of-life questionnaires are instruments to assess the burden of a disease as perceived by the patient. Few data are available on the health-related quality of life of patients with nonallergic rhinitis, but data from studies of patients with allergic rhinitis show that rhinitis predominantly affects mental quality of life. This burden of rhinitis is associated with impaired sleep, excessive daytime sleepiness, concentration problems, and increased irritability.