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Levothyroxine sodium 0.3 MG Oral Tablet [Unithroid] — RxCUI 966243

RxNorm drug concept · Semantic branded drug
RxCUI 966243 Semantic branded drug · SBD ● Current RxNorm concept 12 FDA products 12 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

RxCUI966243
Official nameLevothyroxine sodium 0.3 MG Oral Tablet [Unithroid]
Concept typeSemantic branded drug (SBD)
RxNorm statusCurrent RxNorm concept
Also known asUnithroid 0.3 MG Oral Tablet; UNITHROID 300 MCG Oral Tablet
FDA products mapped12
Package NDCs mapped12
Reported Medicaid activity (SDUD)17,533 prescriptions · 22 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 Levothyroxine: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • It replaces thyroid hormone when your thyroid doesn’t make enough, a condition called hypothyroidism. Oral forms are also used with surgery and radioiodine for certain thyroid canc...
  • Oral forms are usually taken once a day on an empty stomach, about 15 to 60 minutes before breakfast, depending on the product. Keep calcium, iron and antacids at least 4 hours awa...
  • Full effect may take 4 to 6 weeks. Your doctor will check TSH and/or T4 blood tests to adjust your dose.
  • No. It doesn’t cause weight loss at normal doses if your thyroid is normal. Larger doses can be seriously toxic.
📖 Read our full Levothyroxine guide →

🕸️ Concept Web — How Levothyroxine sodium 0.3 MG Oral Tablet [Unithro... 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 Levothyroxine sodium 0.3 MG Oral Tablet [Unithroid] RxCUI 966243

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.

    • Levothyroxine 10582
    • Levothyroxine sodium 40144
  2. Brand names 1

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

    • Unithroid 284910
  3. Dose forms 13

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

    • Levothyroxine Oral Tablet 372595
    • Levothyroxine sodium Oral Tablet 2649207
    • Levothyroxine Oral Product 1602753
    • Levothyroxine Pill 1602745
    • Levothyroxine sodium Oral Product 2662680
    • Levothyroxine sodium Pill 2661467
    • Levothyroxine Oral Tablet [Unithroid] 368273
    • Levothyroxine sodium Oral Tablet [Unithroid] 2657335
    • +5 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 — 14 of 19 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

  • Levothyroxine sodium 0.3 MG Oral Tablet SCD · 892255
  • Levothyroxine sodium 0.3 MG SCDC · 892254
  • Levothyroxine Oral Tablet SCDF · 372595
  • Levothyroxine sodium Oral Tablet SCDFP · 2649207
  • Levothyroxine Oral Product SCDG · 1602753
  • Levothyroxine Pill SCDG · 1602745
  • Levothyroxine sodium Oral Product SCDGP · 2662680
  • Levothyroxine sodium Pill SCDGP · 2661467

Brand-Name Concepts

  • Levothyroxine sodium 0.3 MG [Unithroid] SBDC · 966389
  • Levothyroxine Oral Tablet [Unithroid] SBDF · 368273
  • Levothyroxine sodium Oral Tablet [Unithroid] SBDFP · 2657335
  • Unithroid Oral Product SBDG · 1186361
  • Unithroid Pill SBDG · 1186362
  • Unithroid BN · 284910

📦 FDA Products & Package NDCs

12 products · 12 package NDCs
12 package NDCs map to RxCUI 966243 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
60846-0801-01 100 TABLET in 1 BOTTLE (60846-801-01) Unithroid Amneal Pharmaceuticals LLC 2014-07-03
60846-0802-01 100 TABLET in 1 BOTTLE (60846-802-01) Unithroid Amneal Pharmaceuticals LLC 2014-07-03
60846-0803-01 100 TABLET in 1 BOTTLE (60846-803-01) Unithroid Amneal Pharmaceuticals LLC 2014-07-03
60846-0804-01 100 TABLET in 1 BOTTLE (60846-804-01) Unithroid Amneal Pharmaceuticals LLC 2014-07-03
60846-0805-01 100 TABLET in 1 BOTTLE (60846-805-01) Unithroid Amneal Pharmaceuticals LLC 2014-07-03
60846-0806-01 100 TABLET in 1 BOTTLE (60846-806-01) Unithroid Amneal Pharmaceuticals LLC 2014-07-03
60846-0807-01 100 TABLET in 1 BOTTLE (60846-807-01) Unithroid Amneal Pharmaceuticals LLC 2014-07-03
60846-0808-01 100 TABLET in 1 BOTTLE (60846-808-01) Unithroid Amneal Pharmaceuticals LLC 2014-07-03
60846-0809-01 100 TABLET in 1 BOTTLE (60846-809-01) Unithroid Amneal Pharmaceuticals LLC 2014-07-03
60846-0810-01 100 TABLET in 1 BOTTLE (60846-810-01) Unithroid Amneal Pharmaceuticals LLC 2014-07-03
60846-0811-01 100 TABLET in 1 BOTTLE (60846-811-01) Unithroid Amneal Pharmaceuticals LLC 2014-07-03
60846-0812-01 100 TABLET in 1 BOTTLE (60846-812-01) Unithroid Amneal Pharmaceuticals LLC 2014-07-03
Observed labelers: Amneal Pharmaceuticals LLC (12) — 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.