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Tizanidine 4 MG Oral Capsule — RxCUI 485485

RxNorm drug concept · Semantic clinical drug
RxCUI 485485 Semantic clinical drug · SCD ● Current RxNorm concept 66 FDA products 156 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

RxCUI485485
Official nameTizanidine 4 MG Oral Capsule
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
Also known astizanidine 4 MG (as tizanidine HCl 4.576 MG) Oral Capsule; tiZANidine HCl 4 MG Oral Capsule
FDA products mapped66
Package NDCs mapped156
Reported Medicaid activity (SDUD)65,661 prescriptions · 38 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 Tizanidine: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • Tizanidine is a muscle relaxant prescribed to manage spasticity — that's the uncomfortable muscle stiffness, tightness, or spasms that can come with conditions like multiple sclero...
  • Yes, it actually matters a lot — and it's different depending on whether you're taking a tablet or a capsule. Food increases how much drug your body absorbs from the tablet, but it...
  • Does it matter if I take tizanidine with food or without?
  • Very likely, yes — drowsiness is one of the most common side effects and can be significant, especially when you first start or when the dose is being adjusted. It can interfere wi...
📖 Read our full Tizanidine guide →

🕸️ Concept Web — How Tizanidine 4 MG Oral Capsule 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 Tizanidine 4 MG Oral Capsule RxCUI 485485

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

  1. Ingredients 1

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

    • Tizanidine 57258
  2. Brand names 1

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

    • Zanaflex 153736
  3. Dose forms 9

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

    • Tizanidine Oral Capsule 485483
    • Tizanidine Oral Product 1162724
    • Tizanidine Pill 1162725
    • Tizanidine Oral Capsule [Zanaflex] 580266
    • Zanaflex Oral Product 1187025
    • Zanaflex Pill 1187026
    • Oral Capsule 316965
    • Oral Product 1151131
    • +1 more in this family
  4. Clinical & branded drugs 3

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

Showing up to 8 concepts per family — 13 of 14 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

  • Tizanidine 4 MG SCDC · 330833
  • Tizanidine Oral Capsule SCDF · 485483
  • Tizanidine Oral Product SCDG · 1162724
  • Tizanidine Pill SCDG · 1162725

Brand-Name Concepts

  • Tizanidine 4 MG Oral Capsule [Zanaflex] SBD · 583211
  • Tizanidine 4 MG [Zanaflex] SBDC · 565372
  • Tizanidine Oral Capsule [Zanaflex] SBDF · 580266
  • Zanaflex Oral Product SBDG · 1187025
  • Zanaflex Pill SBDG · 1187026
  • Zanaflex BN · 153736

📦 FDA Products & Package NDCs

66 products · 156 package NDCs
156 package NDCs map to RxCUI 485485 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
00591-2788-86 150 CAPSULE, GELATIN COATED in 1 BOTTLE, PLASTIC (0591-2788-... tizanidine hydrochloride Actavis Pharma, Inc. 2012-02-06
00591-2789-86 150 CAPSULE, GELATIN COATED in 1 BOTTLE, PLASTIC (0591-2789-... tizanidine hydrochloride Actavis Pharma, Inc. 2012-02-06
00591-2790-86 150 CAPSULE, GELATIN COATED in 1 BOTTLE, PLASTIC (0591-2790-... tizanidine hydrochloride Actavis Pharma, Inc. 2012-02-06
42291-0811-15 150 CAPSULE, GELATIN COATED in 1 BOTTLE (42291-811-15) Tizanidine Hydrochloride AvKARE 2014-06-20
46708-0491-08 80 BLISTER PACK in 1 CARTON (46708-491-08) / 8 CAPSULE in 1... Tizanidine Hydrochloride Alembic Pharmaceuticals Limited 2020-01-15
46708-0491-30 30 CAPSULE in 1 BOTTLE (46708-491-30) Tizanidine Hydrochloride Alembic Pharmaceuticals Limited 2020-01-15
46708-0491-41 150 CAPSULE in 1 BOTTLE (46708-491-41) Tizanidine Hydrochloride Alembic Pharmaceuticals Limited 2020-01-15
46708-0491-91 1000 CAPSULE in 1 BOTTLE (46708-491-91) Tizanidine Hydrochloride Alembic Pharmaceuticals Limited 2020-01-15
46708-0492-08 80 BLISTER PACK in 1 CARTON (46708-492-08) / 8 CAPSULE in 1... Tizanidine Hydrochloride Alembic Pharmaceuticals Limited 2020-01-15
46708-0492-30 30 CAPSULE in 1 BOTTLE (46708-492-30) Tizanidine Hydrochloride Alembic Pharmaceuticals Limited 2020-01-15
46708-0492-41 150 CAPSULE in 1 BOTTLE (46708-492-41) Tizanidine Hydrochloride Alembic Pharmaceuticals Limited 2020-01-15
46708-0492-91 1000 CAPSULE in 1 BOTTLE (46708-492-91) Tizanidine Hydrochloride Alembic Pharmaceuticals Limited 2020-01-15
46708-0493-08 80 BLISTER PACK in 1 CARTON (46708-493-08) / 8 CAPSULE in 1... Tizanidine Hydrochloride Alembic Pharmaceuticals Limited 2020-01-15
46708-0493-30 30 CAPSULE in 1 BOTTLE (46708-493-30) Tizanidine Hydrochloride Alembic Pharmaceuticals Limited 2020-01-15
46708-0493-41 150 CAPSULE in 1 BOTTLE (46708-493-41) Tizanidine Hydrochloride Alembic Pharmaceuticals Limited 2020-01-15
46708-0493-91 1000 CAPSULE in 1 BOTTLE (46708-493-91) Tizanidine Hydrochloride Alembic Pharmaceuticals Limited 2020-01-15
50742-0224-15 150 CAPSULE in 1 BOTTLE, PLASTIC (50742-224-15) TIZANIDINE HYDROCHLORIDE Ingenus Pharmaceuticals, LLC 2019-03-20
50742-0225-15 150 CAPSULE in 1 BOTTLE, PLASTIC (50742-225-15) TIZANIDINE HYDROCHLORIDE Ingenus Pharmaceuticals, LLC 2019-03-20
50742-0226-15 150 CAPSULE in 1 BOTTLE, PLASTIC (50742-226-15) TIZANIDINE HYDROCHLORIDE Ingenus Pharmaceuticals, LLC 2019-03-20
59651-0314-77 150 CAPSULE in 1 BOTTLE (59651-314-77) Tizanidine Hydrochloride Aurobindo Pharma Limited 2020-03-24
59651-0315-77 150 CAPSULE in 1 BOTTLE (59651-315-77) Tizanidine Hydrochloride Aurobindo Pharma Limited 2020-03-24
59651-0316-77 150 CAPSULE in 1 BOTTLE (59651-316-77) Tizanidine Hydrochloride Aurobindo Pharma Limited 2020-03-24
60505-2648-03 30 CAPSULE, GELATIN COATED in 1 BOTTLE (60505-2648-3) Tizanidine Hydrochloride Apotex Corp. 2012-02-06
60505-2648-07 150 CAPSULE, GELATIN COATED in 1 BOTTLE (60505-2648-7) Tizanidine Hydrochloride Apotex Corp. 2012-02-06
60505-2648-08 1000 CAPSULE, GELATIN COATED in 1 BOTTLE (60505-2648-8) Tizanidine Hydrochloride Apotex Corp. 2012-02-06
60505-2649-03 30 CAPSULE, GELATIN COATED in 1 BOTTLE (60505-2649-3) Tizanidine Hydrochloride Apotex Corp. 2012-02-06
60505-2649-07 150 CAPSULE, GELATIN COATED in 1 BOTTLE (60505-2649-7) Tizanidine Hydrochloride Apotex Corp. 2012-02-06
60505-2649-08 1000 CAPSULE, GELATIN COATED in 1 BOTTLE (60505-2649-8) Tizanidine Hydrochloride Apotex Corp. 2012-02-06
60505-2650-03 30 CAPSULE, GELATIN COATED in 1 BOTTLE (60505-2650-3) Tizanidine Hydrochloride Apotex Corp. 2012-02-06
60505-2650-07 150 CAPSULE, GELATIN COATED in 1 BOTTLE (60505-2650-7) Tizanidine Hydrochloride Apotex Corp. 2012-02-06
60505-2650-08 1000 CAPSULE, GELATIN COATED in 1 BOTTLE (60505-2650-8) Tizanidine Hydrochloride Apotex Corp. 2012-02-06
62332-0491-08 80 BLISTER PACK in 1 CARTON (62332-491-08) / 8 CAPSULE in 1... Tizanidine Hydrochloride Alembic Pharmaceuticals Inc. 2020-01-15
62332-0491-30 30 CAPSULE in 1 BOTTLE (62332-491-30) Tizanidine Hydrochloride Alembic Pharmaceuticals Inc. 2020-01-15
62332-0491-41 150 CAPSULE in 1 BOTTLE (62332-491-41) Tizanidine Hydrochloride Alembic Pharmaceuticals Inc. 2020-01-15
62332-0491-91 1000 CAPSULE in 1 BOTTLE (62332-491-91) Tizanidine Hydrochloride Alembic Pharmaceuticals Inc. 2020-01-15
62332-0492-08 80 BLISTER PACK in 1 CARTON (62332-492-08) / 8 CAPSULE in 1... Tizanidine Hydrochloride Alembic Pharmaceuticals Inc. 2020-01-15
62332-0492-30 30 CAPSULE in 1 BOTTLE (62332-492-30) Tizanidine Hydrochloride Alembic Pharmaceuticals Inc. 2020-01-15
62332-0492-41 150 CAPSULE in 1 BOTTLE (62332-492-41) Tizanidine Hydrochloride Alembic Pharmaceuticals Inc. 2020-01-15
62332-0492-91 1000 CAPSULE in 1 BOTTLE (62332-492-91) Tizanidine Hydrochloride Alembic Pharmaceuticals Inc. 2020-01-15
62332-0493-08 80 BLISTER PACK in 1 CARTON (62332-493-08) / 8 CAPSULE in 1... Tizanidine Hydrochloride Alembic Pharmaceuticals Inc. 2020-01-15
62332-0493-30 30 CAPSULE in 1 BOTTLE (62332-493-30) Tizanidine Hydrochloride Alembic Pharmaceuticals Inc. 2020-01-15
62332-0493-41 150 CAPSULE in 1 BOTTLE (62332-493-41) Tizanidine Hydrochloride Alembic Pharmaceuticals Inc. 2020-01-15
62332-0493-91 1000 CAPSULE in 1 BOTTLE (62332-493-91) Tizanidine Hydrochloride Alembic Pharmaceuticals Inc. 2020-01-15
63629-8872-01 150 CAPSULE in 1 BOTTLE (63629-8872-1) Tizanidne hydrochloride Bryant Ranch Prepack 2019-03-29
67877-0610-05 500 CAPSULE in 1 BOTTLE (67877-610-05) Tizanidne hydrochloride Ascend Laboratories, LLC 2019-03-29
67877-0610-15 150 CAPSULE in 1 BOTTLE (67877-610-15) Tizanidne hydrochloride Ascend Laboratories, LLC 2019-03-29
67877-0610-33 1 BLISTER PACK in 1 CARTON (67877-610-33) / 10 CAPSULE in 1... Tizanidne hydrochloride Ascend Laboratories, LLC 2019-03-29
67877-0611-05 500 CAPSULE in 1 BOTTLE (67877-611-05) Tizanidne hydrochloride Ascend Laboratories, LLC 2019-03-29
67877-0611-15 150 CAPSULE in 1 BOTTLE (67877-611-15) Tizanidne hydrochloride Ascend Laboratories, LLC 2019-03-29
67877-0611-33 1 BLISTER PACK in 1 CARTON (67877-611-33) / 10 CAPSULE in 1... Tizanidne hydrochloride Ascend Laboratories, LLC 2019-03-29
Observed labelers: Asclemed USA, Inc. (24) · Preferred Pharmaceuticals Inc. (18) · Alembic Pharmaceuticals Inc. (12) · Alembic Pharmaceuticals Limited (12) · Apotex Corp. (9) · Ascend Laboratories, LLC (9) · +17 more — 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.