A doctor explains how to correctly use Flonase nasal spray, which includes manually opening your sinuses before you spray.

Initially 2 sprays in each nostril once daily or 1 spray in each nostril twice daily (AM and PM). Maintenance: may reduce to 1 spray in each nostril daily. Max total daily doses: 2 sprays in each ...

Fluticasone propionate 50mcg; per nasal spray. Initially 2 sprays in each nostril once daily for Week 1, then 1 or 2 sprays in each nostril once daily as needed for Week 2 through 6 months.