Naturalistic (1 spring season study and 1 fall season study) Included: Age ≥12 y; ≥2-y history of moderate IAR/SAR, confirmed by positive skin prick test Excluded: sinusitis, rhinitis medicamentosa
Naturalistic (1 spring season study and 1 fall season study) Included: Age ≥12 y; ≥2-y history of moderate IAR/SAR, confirmed by positive skin prick test Excluded: sinusitis, rhinitis medicamentosa