Information last reviewed: May 2026 — for educational purposes only.
Flonase is a leading brand of fluticasone propionate in a metered-dose aqueous nasal spray. It is a topical corticosteroid used to reduce nasal inflammation associated with seasonal allergic rhinitis (hay fever), perennial allergic rhinitis (year-round nasal allergy), and to help relieve symptoms including nasal congestion, runny nose, sneezing, and itchy nose. Unlike systemic oral steroids, Flonase acts locally in the nasal passages with very low systemic absorption, making it suitable for daily and long-term use in most adults and children six years and older.
What Is Fluticasone Propionate?
Fluticasone propionate is a synthetic trifluorinated corticosteroid with high topical potency and high lipophilicity — properties that promote binding to glucocorticoid receptors in nasal mucosal cells while limiting systemic systemic uptake. It inhibits the release of multiple inflammatory mediators including histamine, leukotrienes, cytokines, and prostaglandins from cells in the nasal lining, thereby reducing oedema, mucus secretion, sneezing, and itching over several days of regular use.
Full therapeutic effect builds over approximately 3 to 7 days of consistent daily spraying; patients who use Flonase only on symptomatic days may not experience optimal relief. For seasonal allergy sufferers, starting use 1–2 weeks before pollen season typically yields better control than beginning after symptoms develop.
Over-the-Counter Availability
Flonase Allergy Relief nasal spray became available over the counter in the United States in 2014, following switch from prescription-only status. The OTC product contains fluticasone propionate at 50 mcg per spray — the same concentration as the original prescription formulation. It does not require a prescription in the US, Canada, or Australia. In the UK, fluticasone nasals are available OTC at pharmacies under various brand names (e.g., Pirinase Hayfever Relief).
A separate product, Flonase Sensimist, contains fluticasone furoate (a different ester of fluticasone), also available OTC in the US, with a gentler mist that some patients prefer for nasal comfort.
Spray Strength and Usage
Key product specifications and usage information for Flonase Allergy Relief:
- 50 mcg per spray — each actuation delivers 50 mcg fluticasone propionate into the nasal passage
- Adults and children 12+: 2 sprays per nostril once daily (200 mcg total/day) initially; may reduce to 1 spray per nostril once symptoms are controlled
- Children 4–11: 1 spray per nostril once daily (100 mcg total), supervised by an adult
- Bottle sizes: 60-spray (starter), 120-spray, 144-spray, and 288-spray (value packs)
- Correct technique: Gently shake bottle, tilt head slightly forward, direct nozzle away from nasal septum (toward the outer wall of the nostril), press and sniff gently — do not inhale forcefully
Patients should prime the pump before first use (6 test sprays) and re-prime after prolonged storage (2 test sprays). The bottle should be rinsed weekly to prevent blockage.
Price of Flonase
The branded Flonase 120-spray bottle is priced mid-range among OTC nasal sprays. Generic fluticasone propionate nasal spray — manufactured by multiple companies and widely available at pharmacies and online — provides the same therapeutic content at a lower cost. The FDA considers approved generics bioequivalent. Large value-pack sizes of generic fluticasone represent the most economical choice for year-round users.
Frequently Asked Questions
Is Flonase a steroid? Is it safe for long-term use?
Yes, fluticasone is a corticosteroid. However, because it is delivered topically to the nasal mucosa and has very low systemic bioavailability (less than 2% at standard doses), it does not carry the same safety concerns as oral or systemic corticosteroids when used as directed. Long-term use at recommended doses is considered safe for most adults. Patients using it for extended periods should follow up with a healthcare professional if concerned.
How long does it take for Flonase to work?
Fluticasone nasal spray is not a fast-acting rescue medicine. Some patients notice reduced sneezing and runny nose within 12 hours, but full anti-inflammatory effect develops over 3 to 7 days of daily regular use. Flonase should be used consistently every day during the allergy season, not just on the most symptomatic days.
Can children use Flonase?
The OTC Flonase Allergy Relief product is approved for children 4 years and older in the United States. Children under 4 should not use it without a physician’s direction. Children aged 4–11 should use 1 spray per nostril daily and the product should be administered under adult supervision.
Disclaimer: This page is for general informational purposes only and does not constitute medical advice. Medication suitability, dosage, and safety depend on individual health circumstances. Always consult a licensed healthcare professional or pharmacist before taking any medication. See our full disclaimer.