Positive allergen reaction in allergic and nonallergic rhinitis: a systematic review.


BACKGROUND The diagnosis of allergic rhinitis (AR) is based on cutaneous and serological assessment to determine immunoglobulin E (IgE)-mediated disease. However, discrepancies between these tests and nasal provocation exist. Patients diagnosed as non-allergic rhinitis (NAR) but with positive nasal allergen provocation test (NAPT) may represent a local… (More)
DOI: 10.1002/alr.21988


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