NCIt definition : An inflammation of the mucous membrane lining the nose, usually associated with nasal
discharge.;
Alternative definition : NICHD: Inflammation of the mucous membrane lining the nose.; FDA: Pattern of symptoms as a result of nasal inflammation and/or dysfunction of the
nasal mucosa. There are various subtypes, such as allergic, infectious and non-allergic
(e.g. atrophic) rhinitis.;