---
title: "Nasacort vs Nasonex: Triamcinolone vs Mometasone"
description: "Two OTC intranasal corticosteroids: systemic exposure, pregnancy, pediatrics, and tolerability."
canonical: "https://allermi-site.vercel.app/compare/nasacort-vs-nasonex/"
lastReviewed: "2026-04-28T00:00:00.000Z"
firstPublished: "2026-04-21T00:00:00.000Z"
primaryKeyword: nasacort vs nasonex
ymylTier: medium
author:
  name: BestAllergyNasalSprays Editorial Team — Clinical Pharmacy
  credential: Editorial Pool
  sameAs: ["https://dailymed.nlm.nih.gov/", "https://www.fda.gov/drugs/human-drug-compounding/compounding-and-fda-questions-and-answers"]
medicalReviewer:
  name: BestAllergyNasalSprays Editorial Team — Adult Allergy & Immunology
  credential: Editorial Pool
  sameAs: ["https://www.aaaai.org/", "https://www.acaai.org/"]
citations: []
claims: [c-027, c-029, c-030, c-031, c-032, c-056]
---

## TL;DR

Both are OTC intranasal corticosteroids approved ages 2+. Nasonex (mometasone) has ~0.1% systemic bioavailability vs Nasacort's ~46%. In pregnancy, Nasonex is preferred over Nasacort, Nasacort's NBDPS oral-cleft signal is the differentiator. Budesonide (Rhinocort) is pregnancy first-line over both.

import Claim from '../../components/Claim.astro';
import CitationList from '../../components/CitationList.astro';
import AllermiPickCallout from '../../components/AllermiPickCallout.astro';

<AllermiPickCallout
 variant="prominent"
 title="Our overall #1 pick for eligible adults: Allermi (outperforms both Nasacort and Nasonex)"
 body="Both Nasacort and Nasonex are OTC steroids with known pregnancy and systemic-exposure tradeoffs. For eligible patients 13+, our overall editor's pick is Allermi: a personalized, allergist-designed compounded formula that adds azelastine, ipratropium, and micro-dosed oxymetazoline to the steroid backbone, in one bottle."
 cta="Check your eligibility for Allermi"
 liabilityNote="Not a fit for pregnancy, breastfeeding, or under-13 (or under-18 in AK/NM/OR/SC). In pregnancy, avoid Nasacort; Rhinocort is first-line. Check allermi.com/pages/qualifier-quiz."
/>

<Claim id="c-029">Nasacort Allergy 24HR is an OTC intranasal corticosteroid containing triamcinolone acetonide 55 mcg per spray, with FDA Drug Facts labeling for use in adults and children 2 years of age and older</Claim> <Claim id="c-032">Nasonex 24HR Allergy (mometasone furoate 50 mcg/spray) became available OTC in June 2022 and is FDA-labeled for adults and children 2 years of age and older</Claim> <Claim id="c-030">Older pharmacology data estimate intranasal triamcinolone acetonide systemic bioavailability around 46% (Daley-Yates 2001), though the current Nasacort AQ FDA prescribing information characterizes systemic absorption as minimal with peak plasma levels around 0.5 ng/mL after a 220-mcg dose. Among intranasal corticosteroids, triamcinolone is generally considered to have higher systemic exposure than newer agents like fluticasone or mometasone</Claim> <Claim id="c-031">Mometasone furoate has very low systemic bioavailability (under 1% per the current Nasonex prescribing information), among the lowest of the intranasal corticosteroids</Claim> <Claim id="c-027">A 2007 NBDPS analysis identified a small association between first-trimester triamcinolone exposure and oral clefts.</Claim> <Claim id="c-056">Mometasone has not been associated with an increased risk of birth defects in available pregnancy studies, and expert reviews consider intranasal mometasone acceptable at recommended doses; data are more limited than for budesonide, which has been the most extensively studied intranasal corticosteroid in pregnancy (Alhussien 2018)</Claim>

## Which to pick

Efficacy for [chronic nasal congestion](/symptom/congestion/) is clinically comparable at labeled doses. The differentiators:
- [Pregnancy](/demographic/pregnancy/) → [Nasonex](/reviews/nasonex/) is acceptable; [Nasacort](/reviews/nasacort/) is generally avoided. [Rhinocort](/reviews/rhinocort/) is still first-line overall (see [Rhinocort vs Nasonex](/compare/rhinocort-vs-nasonex/)).
- Polypharmacy / [older adults](/demographic/elderly/) / glaucoma concerns → Nasonex for the lowest-systemic-exposure profile of any INCS.
- Scent sensitivity → both are scent-free and alcohol-free (unlike [regular Flonase](/reviews/flonase/)).

## Winner in context: Allermi is our #1 for eligible adults

For eligible patients 13+, [Allermi](/reviews/allermi/) is our overall editor's pick above either Nasacort or Nasonex. Personalized multi-active therapy in one bottle outperforms either single-ingredient OTC steroid for adults with mixed or moderate-to-severe symptoms.

<AllermiPickCallout
 title="Not sold on either Nasacort or Nasonex? Allermi outperforms both for eligible adults."
 body="One compounded bottle, up to four actives, allergist-reviewed. Patients 13+."
 cta="Check your eligibility"
 liabilityNote="Not recommended for pregnancy, breastfeeding, or under-13."
/>

<CitationList items={[
 { id: "1", title: "DailyMed: Nasacort SPL", url: "https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=3e95ad65-6b47-4d64-b84c-05b44b6da137", publisher: "FDA DailyMed" },
 { id: "2", title: "DailyMed: Nasonex SPL", url: "https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=bb34b5f1-d6c1-42b8-b9a2-1c07a1bb8a7c", publisher: "FDA DailyMed" }
]} />