Medications used for allergic rhinitis. Medications used by region (a) and by age group (b). *P ≤ 0.05 for comparison between Europe and the Asia-Pacific region or between adults and children. CS, corticosteroid; LTRA, leukotriene receptor antagonist.
Valovirta and Pawankar BMC Pulmonary Medicine 2006 6(Suppl 1):S3 doi:10.1186/1471-2466-6-S1-S3