Feature Article

Continuous airways: allergic and nonallergic associations between the nose and lungs

Daniele Allali, Jo Douglass
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This article illustrates the continuous airway, focusing on allergic and nonallergic associations between the nose and lungs, studying firstly the link between allergic rhinitis and asthma and secondly aspirin-exacerbated respiratory disease.

Key Points

  • Rhinitis is a common chronic illness with a lifetime annual incidence of at least 7 per 1000 people.
  • Over 80% of patients with asthma have rhinitis, and 10 to 40% of patients with rhinitis have asthma.
  • Both allergic and nonallergic rhinitis are independent risk factors for the development of asthma.
  • Treatment of rhinitis can influence asthma outcomes.
  • Aspirin-exacerbated respiratory disease occurs in more than 14% of patients with severe asthma.

    Picture credit: © Phototake/PDSN/Medical Images.