The interaction between upper and lower airway disease has been recognized for centuries,
with recent studies showing a direct link between upper and airway inflammation in allergic …

Rhinitis and asthma are often associated and the two disorders interact at various levels.
Rhinitis typically precedes the development of asthma and can contribute to unsatisfactory …

Rhinitis and asthma are common airway conditions; however, recent data suggest that they
both can be clinical manifestations of a systemic inflammatory process within the respiratory …

Clinical epidemiological and pathophysiological studies suggest a strong functional and
immunological relationship between the nose and the bronchi. Nasal stimulation, can …

The nasal cavity, paranasal sinuses, and lungs are considered separate organs of the
respiratory tract. However, a growing body of evidence links the upper and lower airways …

OBJECTIVE: This article presents recent evidence of an upper and lower airway link. After
reading this article, readers should have an understanding of the evidence for the pathologic …

During the past century, practicing clinicians have frequently observed that chronic rhinitis,
sinusitis, and asthma coexist in the same patients. Despite a wealth of data supporting an …

There is increasing evidence for a close link between the upper and the lower respiratory
tracts and the fact that rhinitis has an important impact on asthma. Several clinical and …

The unified airway hypothesis suggests that the nose and lungs are not separate organ
systems but instead are part of the same continuum. Inflammation of the upper respiratory …

Over the last several years, important research has demonstrated the link between the upper
airways disease, rhinitis, and lower airways disease, asthma. In fact, it appears that asthma …