The burden of allergic rhinitis (AR) in Canada: perspectives of physicians and patients

BackgroundAllergic rhinitis (AR) is a common problem and we sought to examine the burden of disease and its management in Canada from the perspectives of patients and physicians.MethodsTwo parallel, Canadawide structured telephone interviews surveyed 1,001 AR patients and 160 physicians in July 2006.Results44% of patients had experienced nasal symptoms unrelated to a cold and 20% had a physician diagnosis of AR. At screening 27% reported …