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12 HR chlorpheniramine maleate 8 MG / codeine phosphate 54.3 MG Extended Release Oral Tabl... — RxCUI 1664543

RxNorm drug concept · Semantic clinical drug
RxCUI 1664543 Semantic clinical drug · SCD ● Current RxNorm concept 1 FDA product 2 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

RxCUI1664543
Official name12 HR chlorpheniramine maleate 8 MG / codeine phosphate 54.3 MG Extended Release Oral Tablet
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
Also known aschlorpheniramine maleate 8 MG / codeine phosphate 54.3 MG 12HR Oral Extended Release Tablet
FDA products mapped1
Package NDCs mapped2
RxNorm release07/06/2026
Snapshot dataJul 14, 2026

📖 Skip the Codes — Read It in Plain English.

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

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  • Codeine Sulfate tablets are used to treat mild to moderate pain — think post-injury pain or pain after a procedure — when over-the-counter options like ibuprofen or acetaminophen h...
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📖 Read our full Codeine guide →

🕸️ Concept Web — How 12 HR chlorpheniramine maleate 8 MG / codeine ph... 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 chlorpheniramine maleate 8 MG / codeine phosphate 54.3 MG Extended Release Oral Tablet RxCUI 1664543

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

  1. Ingredients 5

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

    • Chlorpheniramine 2400
    • Codeine 2670
    • Chlorpheniramine / codeine 605998
    • Chlorpheniramine maleate 142429
    • Codeine phosphate 2672
  2. Brand names 1

    The same medicine's trade names. A brand name alone says nothing about strength or form.

    • Tuxarin 2099281
  3. Dose forms 13

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

    • Chlorpheniramine / codeine Extended Release Oral Tablet 1664542
    • Chlorpheniramine maleate / codeine phosphate Extended Release Oral Tablet 2647165
    • Chlorpheniramine / codeine Oral Product 1153890
    • Chlorpheniramine / codeine Pill 1153891
    • Chlorpheniramine maleate / codeine phosphate Oral Product 2660885
    • Chlorpheniramine maleate / codeine phosphate Pill 2659750
    • Chlorpheniramine / codeine Extended Release Oral Tablet [Tuxarin] 2099283
    • Chlorpheniramine maleate / codeine phosphate Extended Release Oral Tablet [Tuxarin] 2654651
    • +5 more in this family
  4. Clinical & branded drugs 4

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

Showing up to 8 concepts per family — 18 of 23 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

  • Chlorpheniramine maleate 8 MG SCDC · 857648
  • Codeine phosphate 54.3 MG SCDC · 1664453
  • Chlorpheniramine / codeine Extended Release Oral Tablet SCDF · 1664542
  • Chlorpheniramine maleate / codeine phosphate Extended Release Oral Tablet SCDFP · 2647165
  • Chlorpheniramine / codeine Oral Product SCDG · 1153890
  • Chlorpheniramine / codeine Pill SCDG · 1153891
  • Chlorpheniramine maleate / codeine phosphate Oral Product SCDGP · 2660885
  • Chlorpheniramine maleate / codeine phosphate Pill SCDGP · 2659750

Brand-Name Concepts

📦 FDA Products & Package NDCs

1 product · 2 package NDCs
2 package NDCs map to RxCUI 1664543 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
71269-0040-10 100 TABLET, EXTENDED RELEASE in 1 BOTTLE, PLASTIC (71269-040... Tuxarin Mainpointe Pharmaceuticals 2018-10-15
71269-0040-30 30 TABLET, EXTENDED RELEASE in 1 BOTTLE, PLASTIC (71269-040-... Tuxarin Mainpointe Pharmaceuticals 2018-10-15
Observed labelers: Mainpointe Pharmaceuticals (2) — this is the FDA-listed mapping footprint, not sales, inventory, availability, or market share.

🗃️ 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.