Hay fever their cause and epidemiology
Definition of allergic rhinitis A symptomatic disorder of the nose resulting from an IgE-mediated immunological reaction following exposure to allergen.The major symptoms are rhinorrhea, nasal itching, obstruction and sneezing which are reversible either spontaneously or with treatment.
Other
Allergic rhinitis it’s not a disease nor a disorder it actually a symptom differentiated and classified according to the allergen otherwise there may be an idiopathic allergy. In general its divided into intermittent and persistent. With severity of rhinitis it may accommodate your activity and achievements. Here in this report illustrate the mechanism and predisposing according to the epidemiology confirmed by "WHO"& "WAO" (world allergic organization).
