Allergic rhinitis

Rhinitis is an inflammation of the nasal mucosa

Allergic rhinitis -Seasonal -> hay fever Perennial OccupationalAlso known as " allergic rhinoconjunctivitis" ( when conjunctivae are also involved ) or "hay fever " ( seasonal AR )

Non allergic rhinitis -Infectious Vasomotor Hormonal Drug induced Structural Occupational Rhinitis medicamentosa Non-allergic rhinitis with eosinophilia syndrome.

Various other classification system exist based for e.g on etiology ( infective , mixed ) but our focus here is on allergic rhinitis- which is a type 1 allergic disease.

How common -Number of patients affected by allergies is increasing worldwide AR is a global problem estimated to affect 10 % to 20 % ( some papers quote up to 42 % ) of the entire population - hence AR is the most prevalent chronic non-communicable disorder BSACI reports that allergic rhinitis is common in UK and○ affects 10-15 % of children○ 26 % of adults No set diagnostic criteria exist for AR hence○ diagnosis is based on subject reporting symptoms○ tests are rarely used to confirm diagnosis○ most studies focus on hay fever and may underestimate perennial AR Peak prevalence of rhinitis is reported to be in the 3rd and 4th decades with some evidence of...