Nasonex and Flonase are both nasal sprays and allergy medications that are used to treat nasal allergy symptoms (or all by reducing inflammation caused by corticosteroids. They are both FDA-approved to treat seasonal and year-round allergies, and are generally considered equally effective and safe. Nasonex requires a prescription due to its active ingredient of Mometasone (steroid medication).
Key Takeaways
There are no major differences between Nasonex and Flonase aside from the fact that Nasonex is prescription only. And will require the medical prescription from a primary care physician in the treatment of allergy symptoms.
Both Nasonex and Flonase are given in similar dosage amounts. There is no “stronger” or “more effective” brand of the nasal spray. However, some people choose Nasonex out of preference aside from anything else.
Nasonex vs. Flonase (Comparison Table)
Here is a table breaking down the key similarities and differences between Flonase and Nasonex:
Feature | Flonase | Nasonex |
Availability | Over-the-counter (OTC) | Prescription only |
Active Ingredient | Fluticasone | Mometasone |
Indications | Hay fever, perennial allergic rhinitis, allergies | Hay fever, perennial allergic rhinitis, allergies; FDA approved for nasal polyps |
Effectiveness | Equally effective for treating allergic rhinitis | Equally effective for treating allergic rhinitis |
Side Effects | Headache, stinging, burning or bleeding in the nose, sore throat, watery eyes; Potential growth rate slowing in children | Headache, stinging, burning or bleeding in the nose, sore throat, watery eyes |
Strength | Flonase Allergy Relief: 0.05mg (50 microgram) per spray; Children's Flonase: 0.05mg (50 micrograms) per spray; Flonase Sensimist Allergy Relief: 0.0275mg (27.5microgram) per spray | 0.05mg (50 micrograms) per spray |
Age Limit | Flonase Allergy Relief and Children's Flonase: Not for children under four; Flonase Sensimist Allergy Relief: For children aged two to four | For adults and children over the age of two |
Bottom Line | Both equally effective and safe; choice may depend on personal preference, availability, or price | Both equally effective and safe; prescription requirement and availability may influence choice |
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Sources
FDA. (2018). Drug label information for Nasonex. Retrieved from https://www.accessdata.fda.gov/drugsatfda_docs/label/2018/020762s053lbl.pdf
FDA. (2019). Drug label information for Flonase. Retrieved from https://www.accessdata.fda.gov/drugsatfda_docs/label/2019/020121s045lbl.pdf