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12 HR orphenadrine citrate 100 MG Extended Release Oral Tablet — RxCUI 994521

RxNorm drug concept · Semantic clinical drug
RxCUI 994521 Semantic clinical drug · SCD ● Current RxNorm concept 17 FDA products 51 package NDCs Snapshot Jul 14, 2026

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Compiled from public NLM RxNorm and FDA (openFDA NDC directory) data sources. Editorial policy

What you’re looking at: the standardized identity of one medicine, as the U.S. drug-data system sees it. Below — every FDA-listed product, package code, price benchmark, and billing code that maps to it.

🗂️ Key Facts

RxCUI994521
Official name12 HR orphenadrine citrate 100 MG Extended Release Oral Tablet
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
Also known asorphenadrine citrate 100 MG 12HR Extended Release Oral Tablet
FDA products mapped17
Package NDCs mapped51
Reported Medicaid activity (SDUD)66,639 prescriptions · 44 state & territory Medicaid programs · latest period Q4 2025
RxNorm release07/06/2026
Snapshot dataJul 14, 2026

📖 Skip the Codes — Read It in Plain English.

Our pharmacist-built guide to Orphenadrine: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • It's a common assumption, but orphenadrine actually doesn't directly relax tense muscles. Researchers believe its benefit comes from pain-relieving properties — so it helps you fee...
  • What exactly does orphenadrine do — does it just relax my muscles?
  • Take one extended-release tablet in the morning and one in the evening — that's twice a day. Try to stick to the same times each day. If you're unsure whether to take it with food...
  • How should I take the extended-release tablet?
📖 Read our full Orphenadrine guide →

🕸️ Concept Web — How 12 HR orphenadrine citrate 100 MG Extended Relea... Connects

One RxCUI never lives alone. Follow the path from the raw ingredient down to the exact strength-and-form concepts FDA products carry — every stop is a real RxNorm concept with its own identifier. Hover or focus any chip for what it means.
This page's concept 12 HR orphenadrine citrate 100 MG Extended Release Oral Tablet RxCUI 994521

Every web starts here: one RxCUI, one fixed meaning in the RxNorm vocabulary.

  1. Ingredients 2

    The active substance itself — no strength, form, or brand attached yet.

    • Orphenadrine 7715
    • Orphenadrine citrate 7716
  2. Dose forms 9

    The ingredient poured into a form — tablet, solution, cream — still without one fixed strength.

    • Orphenadrine Extended Release Oral Tablet 373158
    • Orphenadrine citrate Extended Release Oral Tablet 2646635
    • Orphenadrine Oral Product 1161644
    • Orphenadrine Pill 1161645
    • Orphenadrine citrate Oral Product 2661499
    • Orphenadrine citrate Pill 2660974
    • Extended Release Oral Tablet 316945
    • Oral Product 1151131
    • +1 more in this family
  3. Clinical & branded drugs 1

    Ingredient + strength + dose form. These are the concepts real FDA products actually carry.

    • Orphenadrine citrate 100 MG 994520

Showing up to 8 concepts per family — 11 of 12 stored related concepts drawn.
These are official RxNorm vocabulary relationships — how concepts name and organize the same medicine. They do not establish therapeutic equivalence or substitutability: two concepts appearing in one web is never a statement that products can be swapped.

🔀 Generic ⇄ Brand Crosswalk

The same medicine has an unbranded (generic) identity and one or more brand-name identities — each with its own RxCUI. This is a naming relationship in RxNorm, not a statement that any two products are substitutable.

Generic (Clinical) Concepts

  • Orphenadrine citrate 100 MG SCDC · 994520
  • Orphenadrine Extended Release Oral Tablet SCDF · 373158
  • Orphenadrine citrate Extended Release Oral Tablet SCDFP · 2646635
  • Orphenadrine Oral Product SCDG · 1161644
  • Orphenadrine Pill SCDG · 1161645
  • Orphenadrine citrate Oral Product SCDGP · 2661499
  • Orphenadrine citrate Pill SCDGP · 2660974

📦 FDA Products & Package NDCs

17 products · 51 package NDCs
51 package NDCs map to RxCUI 994521 in the current snapshot — up to 50 per page. Each linked NDC opens its full package page.
Package NDC Package Brand / generic name Labeler Marketing start
82868-0040-14 14 TABLET, EXTENDED RELEASE in 1 BOTTLE, PLASTIC (82868-040-... ORPHENADRINE CITRATE Northwind Health Company, LLC 2024-01-30
Observed labelers: Bryant Ranch Prepack (13) · Preferred Pharmaceuticals, Inc. (7) · Proficient Rx LP (7) · Advanced Rx Pharmacy of Tennessee, LLC (4) · PD-Rx Pharmaceuticals, Inc. (4) · A-S Medication Solutions (3) · +8 more — this is the FDA-listed mapping footprint, not sales, inventory, availability, or market share.

💲 Pricing (NADAC)

NADAC is CMS's National Average Drug Acquisition Cost — roughly what pharmacies pay to buy the drug. It is an acquisition benchmark, not your copay.
Per ea · median
$0.4750
Range $0.4750–$0.4750 · middle 50% $0.4750–$0.4750 · 3 NDCs
Latest compatible distributions from the CMS NADAC file · dataset watermark 2026-07-10. Prices vary by package and pharmacy; a distribution is shown instead of one misleading number. Rows the dataset is silent on carry no price. No zero-cost conclusion should be drawn.

🗃️ Sources & Limits

Atlas generation902fddb9-e9c1-4004-bf4c-dba4d51037c7
openFDA export observedJul 14, 2026
RxNorm release07/06/2026
Methodology2026-07-full-catalog-v1
  • A shared RxCUI does not prove interchangeability. Products mapped to the same concept are not thereby equivalent or substitutable — equivalence is a separate, product-level determination.
  • Listing here does not establish approval or coverage. Appearing in this snapshot is a data observation, not an FDA approval status or a payer coverage decision.
  • Missing data never means zero. A silent dataset (no price, no billing code, no utilization) means no observation — not that the real-world value is zero.
  • Counts describe the mapping footprint. Product, package, and labeler counts are the FDA-listed mapping footprint in this snapshot — not sales, inventory, availability, or market share.
This product uses publicly available data from the U.S. National Library of Medicine (NLM), National Institutes of Health, Department of Health and Human Services; NLM is not responsible for the product and does not endorse or recommend this or any other product.

Machine-readable JSON

Reference information about drug-concept identifiers and public regulatory data — not medical advice. Talk to your pharmacist or prescriber about your own medication.