Environmental exposure chamber determines triggers in non-allergic rhinitis

From MedPage Today:



In a study of 41 patients with non-allergic rhinitis exposed sequentially to a range of triggers, researchers found:

- 51% responded to cold dry air
- 70% reacted to a change from warm humid air to cold and dry air
- 47% responded to a two-hour exposure to ozone
- 32% responded to a 15-minute exposure to acetic acid, described as "smelling like a fish and chip shop"
- 43% responded to a potpourri fragrance

References:
ACAAI: New Method Tackles Nonallergic Rhinitis. Michael Smith, North American Correspondent, MedPage Today.

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