Nonallergic rhinitis - Symptoms and causes - Mayo Clinic

Nonallergic rhinitis involves chronic sneezing or a congested, drippy nose with no apparent cause. The symptoms of nonallergic rhinitis are similar to those of hay fever (allergic rhinitis), but none of the usual evidence of an allergic reaction is present. Nonallergic rhinitis can affect children and adults, but it's more common after age 20.…

Nonallergic rhinitis - healthletter.mayoclinic.com

The term rhinitis refers to inflammation of the mucous membranes in your nose. Nonallergic and allergic rhinitis share many of the same signs and symptoms — sneezing, nasal congestion, a runny nose or mucus in your throat. The difference is that nonallergic rhinitis doesn't involve your immune system.…

Rhinitis Cleveland Clinic

Allergic rhinitis. Symptoms of allergic rhinitis include congestion, sneezing, itchy nose and watery nasal discharge. In many patients, the sensation of itchy, watery eyes is a major issue. The mechanism for allergic rhinitis is an IgE-mediated hypersensitivity reaction against inhaled allergens.…