Nonallergic rhinitis displays symptoms including chronic sneezing or having a congested, drippy nose, without an identified allergic reaction with allergy testing being normal.
[4][5] Other symptoms that are more specific to non-allergic rhinitis include ear plugging or discomfort with eustachian tube dysfunction, headaches, sinus pressure, and muffled hearing.
Common triggers for non-allergic rhinitis include irritants such as tobacco smoke, cleaning agents, or abrupt changes in ambient temperature.
[citation needed] Nasal mucosa has a rich blood supply and has venous sinusoids or "lakes" surrounded by smooth muscle fibers.
[3] A Cochrane review concluded that it is unclear whether intranasal corticosteroids, when compared with a placebo, reduce patient‐reported disease severity in people with nonallergic/vasomotor rhinitis, due to the low certainty of the evidence available from clinical trials.
"[15][16] Reduction of hypertrophied turbinates, correction of nasal septum deviation, removal of polyps, sectioning of the parasympathetic secretomotor fiber to nose (vidian neurectomy) for controlling refractory excessive rhinorrhea.