Prescription medication · Nasal Corticosteroid
mometasone nasal
Also sold as Nasonex. This medicine treats symptoms of hay fever and other upper respiratory allergies.
Data updated 2026-05-15
- $1.17
- Brand price (NADAC)
mometasone nasal (Nasonex) is a prescription Nasal Corticosteroid. This medicine treats symptoms of hay fever and other upper respiratory allergies.
Mometasone nasal spray helps relieve allergy symptoms. It is a nasal corticosteroid that reduces inflammation in the nose.
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Drug Pricing (NADAC)
Brand Price
$1.17/unit
Generic Available
No
Pricing data from NADAC (CMS), effective September 18, 2024. Compare all drug costs →
What it does
This medicine treats symptoms of hay fever and other upper respiratory allergies.
Common side effects
No common side effects listed.
Key warnings
The growth rate of some children may be slower while using this product.
The sections below are summarized in plain English from mometasone nasal's FDA-approved prescribing information. They describe what the official label says, and are not personal medical advice.
How It Works
Mometasone is a type of medicine called a nasal corticosteroid. It works by reducing swelling and inflammation in your nose. This helps to relieve allergy symptoms.
How to Take It
Read the instructions inside the package to learn how to prime the bottle, use the spray, and clean the nozzle. Shake the bottle well before each use. Use this product only once a day. Do not use more spray than directed.
This is a plain-language summary of mometasone nasal's FDA labeling, not individualized dosing advice. Ask a pharmacist or prescriber before changing how you take this medication.
Missed Dose
If you miss a dose, take it as soon as you remember. If it is close to your next dose, skip the missed dose and continue with your regular schedule.
This is a plain-language summary of mometasone nasal's FDA labeling, not individualized advice. Ask a pharmacist or prescriber what to do about your specific missed dose.
Serious Warnings
The growth rate of some children may be slower while using this product. Children should use it for the shortest time needed to relieve symptoms. Talk to your child's doctor if they need to use the spray for more than two months a year.
Common Questions
How often should I use this spray?
How many sprays should I use?
Do I need to shake the bottle before using it?
Can children under 2 use this spray?
What should I do if my child needs to use the spray for a long time?
Do I need to sniff when I use the spray?
Where can I find detailed instructions on how to use the spray?
Is it okay to use more than the recommended dose to get better results?
Should an adult supervise the use of this spray in children?
Does this spray cure allergies?
What drug class is mometasone nasal?
Related Medications in Nasal Corticosteroid
Other drugs grouped near mometasone nasal - same-class peers and common alternatives.
azelastine
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Azelastine nasal spray is an antihistamine medicine.
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budesonide nasal
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Rhinocort is a nasal spray that helps relieve allergy symptoms.
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cetirizine
Zyrtec
Cetirizine (Zyrtec) is an antihistamine medicine.
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chlorpheniramine
Chlor-Trimeton
Chlorpheniramine is an antihistamine medicine.
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ciclesonide nasal
Omnaris, Zetonna
Omnaris Nasal Spray is a medicine that helps treat allergy symptoms in your nose.
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What the FDA Data Shows for mometasone nasal
The FDA label for mometasone nasal (sold under brand names such as Nasonex) classifies it as a prescription-only medication in the Nasal Corticosteroid class. This medicine treats symptoms of hay fever and other upper respiratory allergies. Labeling covers dosing, contraindications, and monitoring requirements derived from clinical trials.
Post-market surveillance from the FDA Adverse Event Reporting System (FAERS) captures real-world experience. Voluntary reports accumulate over the lifetime of a drug and reflect wide-ranging clinical use. Interaction data is drawn directly from FDA-approved prescribing information. NADAC pricing from CMS.
Report counts do not establish causation, a FAERS entry documents a temporal association, not proof that the drug produced the outcome. Widely prescribed medications naturally accumulate more reports than niche therapies, so raw totals must be interpreted alongside total exposure. Shortage status, recall history, and patent information further shape supply and switching decisions. This page summarizes public FDA data for educational purposes only and is not a substitute for professional medical advice, always consult a licensed healthcare provider before starting, stopping, or changing any medication.
Data Sources
Drug labeling: FDA Drug Labels (SPL/DailyMed). Adverse events: FDA Adverse Event Reporting System (FAERS). Pricing: CMS National Average Drug Acquisition Cost (NADAC).
FAERS reports are voluntary and do not establish causation. Drug interactions are derived from FDA labeling and clinical references. Always consult a healthcare professional before making medication decisions.
Last updated: August 19, 2025
Read our methodology - how this data is sourced, computed, and verified.
Data currency: FDA FAERS adverse-event reports through 2025, CMS NADAC acquisition-cost pricing effective December 2024, compiled and last refreshed May 2026. See our methodology for per-source dates and refresh cadence. Spot a figure that looks wrong? Report a correction.
All federal data sources used on this page
- FDA Orange Book - approved drug products with therapeutic equivalence. accessdata.fda.gov/cder/ob
- FDA DailyMed - NIH-hosted drug labeling for FDA-approved meds. dailymed.nlm.nih.gov
- FDA Adverse Event Reporting System (FAERS) - post-marketing safety surveillance. fda.gov/drugs/faers
- NLM RxNorm - standardized clinical drug nomenclature. nlm.nih.gov/research/umls/rxnorm
- CMS Medicare Part B Drug Average Sales Price Files - federal drug pricing data. cms.gov/medicare/part-b-drugs/asp
- FDA Drug Shortages Database - current and resolved drug shortage tracking. accessdata.fda.gov/drugshortages