An inflammation of the mucous membrane lining of the nose, usually associated with a nasal discharge; it may be caused by a viral infection, as in the common cold; or by allergic reaction, as in hay fever; also called coryza.- Category ID : 76731
Dr. Javed Sheikh reports on pathophysiology of seasonal and perennial allergic rhinitis or hayfever. Review common allergy symptoms, allergens, trigger factors, and drug treatments.