- To assess efficacy of Nasacort® (triamcinolone) nasal spray, 55 µg per dose, in comparison with Flixonase® (fluticasone) nasal spray, 50 µg per dose, by reflective total nasal symptom score (rTNSS) (24 h) after 28 days of treatment compared with baseline (0 day of treatment) in adult patients suffering from PAR (perennial allergic rhinitis).