"Allergic
rhinitis is a chronic respiratory disease characterized by inflammation of the
nasal cavity and affects people of all ages. The main symptoms of allergic
rhinitis are sneezing, nasal itching, blocked or runny nose and sore throat
(NHS, 2012; WHO, 2013). Research suggests that a combination of genetic factors
such as family history of allergic rhinitis and environmental factors such as
exposure to allergens, including smoke, dust, pollen, insects, molds, or animal
dander, may increase the risk for developing allergic rhinitis (NHS, 2012; WHO,
2013). In the seven major markets (7MM) (US, France, Germany, Italy, Spain, UK,
and Japan), the prevalence of self-reported allergic rhinitis ranges from 13.7%
in men and 14.3% in women in the US to 35.1% in men and 39.3% in women in Japan
(Bauchau and Durham, 2004; Konno et al., 2012; Nathan et al., 1997; Ozdoganoglu
and Songu, 2012). According to the World Health Organization (WHO), an
estimated 400 million people worldwide were affected with allergic rhinitis
during 1996–2006 (WHO, 2007).
This
report provides an overview of the risk factors, comorbidities, and the global
and historical trends for allergic rhinitis in the 7MM. The report also
includes a 10-year epidemiological forecast of the total prevalent cases of
allergic rhinitis in these markets, segmented by sex and age (ages ≥18 years).
To
forecast the total prevalent cases of allergic rhinitis in the 7MM, Publisher
epidemiologists selected only nationally representative studies that provided
the total prevalence of allergic rhinitis using uniform diagnostic criteria
based on the self-reported prevalence of allergic rhinitis. Additionally,
Publisher epidemiologists provide the total prevalent cases of allergic
rhinitis segmented by the etiological type of allergic rhinitis (seasonal,
perennial, and both), as well as by the severity of allergic rhinitis (mild,
moderate, and severe) in these markets (ARIA, 2007; Bousquet and Cauwenberge,
2002; Bousquet et al., 2008a; WHO, 2013). In addition, Publisher
epidemiologists provide the population of allergic rhinitis cases segmented by
sensitization to specific allergens in the six major markets (6MM) (France,
Germany, Italy, Spain, UK and Japan).
According
to Publisher’s epidemiological forecast, the total prevalent cases of allergic
rhinitis in the 7MM will increase from 123,273,876 total prevalent cases in
2013 to 125,427,387 total prevalent cases in 2023, at an annual growth rate
(AGR) of 0.17% during the forecast period. In 2023, the US will have the
highest number of the total prevalent cases of allergic rhinitis with
39,031,365 total prevalent cases, followed by Japan with 36,602,227 total prevalent
cases.
Because
Publisher epidemiologists applied a constant total prevalence in each of the
7MM, the marginal increase in the total prevalent cases of allergic rhinitis in
the 7MM is attributed to the changes in the population demographics in the 7MM
rather than to an increase in the total prevalence of allergic rhinitis."
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