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Definition
By Mayo Clinic staffDo you have a runny or stuffy nose that won't get better, or do these symptoms come back repeatedly? If so, you may have nonallergic rhinitis. If you do have rhinitis, the lining of your nose swells due to expanding blood vessels. The mucus glands in your nose get stimulated, causing a congested, drippy nose. The symptoms of nonallergic rhinitis are similar to those of hay fever (allergic rhinitis), but there's no allergic reaction involved. A common problem, nonallergic rhinitis affects both children and adults.
Although nonallergic rhinitis is more annoying than harmful, it can make you miserable. Triggers of nonallergic rhinitis symptoms vary from person to person and can include certain odors or irritants in the air, changes in the weather, some medications, certain foods, and chronic health conditions. A diagnosis of nonallergic rhinitis is made after an allergy cause is ruled out. This may require allergy skin or blood tests.
