Answer
Flixonase Aqueous Nasal Spray containing fluticasone propionate may not provide maximum relief until after 3 to 4 days of treatment, and regular use is essential for full benefit.
Sources for this answer
- Flixonase Aqueous Nasal SprayGlaxoSmithKline UK · emc · SmPC §4.2 Posology and method of administration · Version 24Document updated
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