Nature: Nonallergic rhinitis can be caused by such conditions as a deviated septum, nasal polyps or environmental factors that include cold air, high humidity, strong odors, and inhaled irritants.
Incidence: Nonallergic rhinitis affects 19 million people each year in the USA. This chronic nasal condition is often misdiagnosed or self-diagnosed wrongly as an allergy.
Problem Type: G: Very specific problems
Date of last update 31.05.2001 – 00:00 CEST