Abstract
Various kinds of diagnostic procedures for allergic rhinitis are available, including careful history taking, physical examination, PNS x-ray, eosinophil in nasal secretion, blood eosinophil count, serum IgE level, skin test, nasal provocation test, RAST and MAST. Among these, careful history taking and skin test have important role in diagnosing the allergic rhinitis. To evaluate the diagnostic significance of nasal provocation test in allergic rhinitis, a clinical study was done in allergic rhinitis patients. The results were as follows; In control group, provocation rate to positive skin allergen was none. House dust and mite revealed the highest provocation rate to positive skin allergen. In the group of positive nasal provocation test, eosinophil in nasal secretion and blood eosinophil count were markedly increased. The positive provocation rate was correlated with degree of positive skin reaction. The provocation reaction after hyposensitization was markedly reduced.
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