Last updated: June 9, 2026
Nasacort Allergy 24 Hour (triamcinolone acetonide) suppliers: Who makes the active, finished drug, and distributors?
Executive summary: Nasacort Allergy 24 Hour is a branded intranasal corticosteroid product with the active ingredient triamcinolone acetonide (typically supplied as a branded finished dosage form and distributed through U.S. wholesaler networks). Key supply roles in the value chain are (1) active pharmaceutical ingredient (API) manufacturers for triamcinolone acetonide, (2) finished-goods manufacturers that fill and package the intranasal suspension, and (3) labelers/distributors that hold the FDA label and supply via wholesaling. Supplier identification depends on the specific NASACORT NDC(s) in the U.S. market, because different NDCs can be sourced from different manufacturing sites.
What companies supply the NASACORT Allergy 24 Hour finished product in the US (by NDC)?
Featured snippet answer: The supply chain for Nasacort Allergy 24 Hour is controlled at the finished-dose level by the company listed as the FDA labeler for each NDC strength/package. Finished manufacturing can be performed by a different contract manufacturing organization (CMO) whose facility is tied to the NDC listing.
Where to confirm finished-goods “supplier” identity
For U.S. sourcing, the operational supplier is typically derived from:
- FDA NDC Directory labeler information (labeler firm)
- FDA Drugs@FDA label and sponsor/holder references for the application tied to the product
- Orange Book if the product is listed under an NDA with related patents (often more relevant for IP than for supplier identity)
NDC-specific supplier reality
“Nasacort Allergy 24 Hour” can correspond to multiple NDCs across:
- different pack sizes
- device configurations (sprayer components)
- changes in manufacturing sites over time
Because supplier identity changes by NDC, any attempt to name “the” supplier without NDC-level specificity risks being wrong.
Who supplies the triamcinolone acetonide API used in Nasacort Allergy 24 Hour?
Featured snippet answer: The API is triamcinolone acetonide, and the API supply base generally includes specialized steroid API producers. Actual suppliers for the commercial Nasacort lots are identified through DMF-listed suppliers and procurement disclosures, which are not consistently exposed in public-facing sources at the finished product level.
API supply roles
- API manufacturers: produce triamcinolone acetonide bulk drug substance
- intermediates suppliers: produce upstream steroid intermediates used in API routes
- testing and release: qualified microbiology/analytical labs for steroid impurities and particle-size specifications (relevant for intranasal suspensions)
Public limits on naming API suppliers
While API registrants can often be inferred from DMF data and industry lists, the exact “supplier” for current Nasacort production is contract- and time-dependent. Public sources usually do not tie the API producer to the brand labeler at shipment-lot level.
What contract manufacturers (CMOs) fill and package intranasal Nasacort Allergy 24 Hour?
Featured snippet answer: Intranasal corticosteroid suspensions require specialized manufacturing for:
- micronization or control of particle size distribution
- suspension homogeneity
- nasal applicator filling and spray-pattern validation
Finished manufacturing is often performed by a CMO for sterile or aqueous suspension packaging, with process validation under the NDA/label controls.
Key CMO capability requirements for Nasacort-type suspensions
- validated suspension manufacturing (particle size, viscosity range, sedimentation control)
- container-closure compatibility for nasal metered spray
- metering valve and actuator qualification
- stability programs for aqueous nasal formulations
How to map CMO suppliers to NASACORT
The most direct public method is NDC-to-facility linkage via FDA listing structures and labeler details. Without NDC-specific listing values, CMO names cannot be stated reliably.
How do wholesalers and distributors supply Nasacort Allergy 24 Hour to pharmacies and PBMs?
Featured snippet answer: In the U.S., Nasacort is typically distributed through the standard prescription drug wholesaler system. The operational distribution supplier is the labeler/distributor referenced on the NDC Directory and associated with standard wholesaler replenishment.
Distribution chain elements
- labeler/distributor (product owner for billing and distribution)
- national wholesalers (account servicing to retail chains and independents)
- pharmacy supply chain (refrigeration handling typically not required, but cold-chain requirements depend on label storage)
What is the Orange Book status of Nasacort Allergy 24 Hour and does that affect supplier identification?
Featured snippet answer: Orange Book listings generally show patents tied to the NDA. That helps determine generic/biosimilar entry risk, not which firm currently supplies the finished product.
Why Orange Book is not a supplier directory
- Orange Book lists patents and exclusivity but does not reliably map to:
- current CMO
- current API source
- current packaging site
Which generics or private-label triamcinolone acetonide nasal sprays compete with Nasacort Allergy 24 Hour (supply risk)?
Featured snippet answer: Competition comes from generic triamcinolone acetonide intranasal spray products and pharmacy/private-label arrangements. These can be sourced by different CMOs and API suppliers.
Impact on supplier strategy
- If Nasacort is facing generic competition, finished-goods and API supply can be diversified to manage:
- cost of goods
- supply continuity
- regulatory batch release constraints
When does supplier sourcing change for Nasacort Allergy 24 Hour (manufacturing site transfers)?
Featured snippet answer: Supplier changes typically occur through NDA supplements covering manufacturing site transfers, process changes, or labeling updates. These are frequent industry events but are not time-stamped in a single public “supplier calendar.”
Signals that sourcing changed
- new NDCs or NDC changes
- updated labeling or application supplement references
- facility updates visible through FDA submission history (application-level)
What patent or regulatory constraints affect supplier manufacturing for Nasacort?
Featured snippet answer: Constraints typically relate to:
- formulation and method-of-use patent claims
- device and delivery mechanism claims for metered nasal sprays
- regulatory controls for equivalence and batch release
Regulatory manufacturing constraints
- CGMP compliance for steroid suspensions
- validated spray characteristics
- stability and impurity specifications for triamcinolone acetonide
Key Takeaways
- Finished product “supplier” in the U.S. is defined by the FDA NDC labeler for each Nasacort Allergy 24 Hour NDC, and manufacturing can be performed by a different site.
- API suppliers for triamcinolone acetonide are not deterministically public at the brand-lot level, and DMF-based identification is time- and contract-dependent.
- To name specific supplier companies accurately, NDC-specific sourcing must be used because different NDCs can map to different manufacturers and packaging sites.
FAQs
- How can I identify the FDA labeler for Nasacort Allergy 24 Hour by NDC?
- Do different Nasacort Allergy 24 Hour package sizes use the same manufacturing site?
- Can triamcinolone acetonide API suppliers change without visible consumer-level changes?
- What data sources are best for mapping intranasal steroid spray manufacturers to NDCs?
- How do generic triamcinolone acetonide nasal sprays affect supply continuity for Nasacort?
References
- U.S. Food and Drug Administration. Orange Book: Approved Drug Products with Therapeutic Equivalence Evaluations.
- U.S. Food and Drug Administration. NDC Directory (National Drug Code).
- U.S. Food and Drug Administration. Drugs@FDA.
