OtoRhinoLaryngology Portal

The Leading Online Gallery of Otolaryngology and Head & Neck Surgery Specialty

OtoRhinoLaryngology Portal Video Collections @

YouTube & MEDtube

Non-allergic Rhinitis

Nonallergic rhinitis has to be differentiated from allergic rhinitis as its clinical presentations are similar.  Nasal inflammation is non-immunoglobulin-E mediated and can be diagnosed by allergic skin test or RAST.  The entities classified under this syndrome includes:  (1) vasomotor rhinitis, (2) infectious rhinitis, (3) hormonal rhinitis, (4) occupational rhinitis, (5) gustatory rhinitis, (6) drug-induced rhinitis, and (7) nonallergic rhinitis with eosinophilia syndrome (NARES).