What is the role of nasal provocation (allergen challenge) testing in the diagnosis of allergic rhinitis (hay fever)?

Updated: Dec 26, 2018
  • Author: Javed Sheikh, MD; Chief Editor: Michael A Kaliner, MD  more...
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This procedure is essentially a research tool and is rarely indicated in the routine evaluation of allergic rhinitis. The possible allergen is inhaled or otherwise inoculated into the nose. The patient can then be monitored for development of symptoms or production of secretions, or objective measurements of nasal congestion can be taken. Some consider this test the criterion standard test for the diagnosis of allergic rhinitis. [53] However, it is not a practical test to perform routinely, and only an appropriately trained specialist should perform this test.

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