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Asthma and rhinitis: what is the relationship?

Boulay, Marie-Eve; Morin, Andréanne; Laprise, Catherine; Boulet, Louis-Philippe

Current Opinion in Allergy and Clinical Immunology: October 2012 - Volume 12 - Issue 5 - p 449–454
doi: 10.1097/ACI.0b013e328357cc32
GENETICS AND EPIDEMIOLOGY: Edited by Catherine Laprise and Emmanuelle Bouzigon

Purpose of review Asthma and rhinitis are commonly associated and they influence their respective control. New observations have contributed to better understand how to assess those conditions and how they influence each other.

Recent findings Recent studies found that not only the intensity, but also the duration of rhinitis could be correlated with the development of asthma and possibly its remission. The measure of exhaled nitric oxide (FeNO) has been used to show the presence of lower airway inflammation in rhinitic patients, with or without asthma. Furthermore, it has been shown that allergic rhinitis could affect asthma control in children as in adults, and consequently suggested that allergic rhinitis and asthma should be concomitantly approached in regard to their diagnosis and treatment. Additional observations showed improvements in various asthma outcomes with the treatment of rhinitis.

Summary These new data confirm the strong link between asthma and rhinitis, the importance of their interactions, and the need to identify and treat rhinitis adequately in asthmatic patients.

aCentre de recherche de l’Institut universitaire de cardiologie et de pneumologie de Québec, Université Laval

bCentre de recherche du Centre de santé et de services sociaux de Chicoutimi

cDépartement des sciences fondamentales, Université du Québec à Chicoutimi, Québec, Québec, Canada

Correspondence to Dr Louis-Philippe Boulet, Institut universitaire de cardiologie et de pneumologie de Québec (IUCPQ), 2725, Chemin Sainte-Foy, Québec, QC, Canada G1V 4G5. Tel: +1 418 656 4747; fax: +1 418 656 4762; e-mail: lpboulet@med.ulaval.ca

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