Liothyronine Sodium
32 NDCs across 9 manufacturers|29 Generic,3 Brand
Liothyronine Sodium is used to treat goiter, myxedema, thyroid neoplasms, autoimmune thyroiditis and thyrotoxicosis, per the National Library of Medicine's MED-RT classification.
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The brand product was first FDA-approved before 1982, and the first generic was approved Jan 25, 1982. FDA's Orange Book lists 21 AB-rated (therapeutically equivalent) products for this ingredient. In 2024, Medicare Part D spent $30 million on Liothyronine Sodium across 757,000 claims for 196,000 beneficiaries.
Liothyronine Sodium is available as 32 NDCs from 9 manufacturers (29 generic, 3 brand), with NADAC prices from $0.20 to $3.70 per EA — the most expensive product costs about 18× the cheapest. Every pack size and labeler in this drug market is compared side-by-side below.
Total NDCs
32
29G / 3B
Manufacturers
9
competing in market
Price Spread
$0.20 – $3.70
per EA
7d Activity
avg -6.2% WoW · of 32 NDCs
Market Price Trend
Monthly average NADAC per unit, split by generic and brand.
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Top supplier
Sigmapharm Laboratories LLC manufacturer profile
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Lead class
l-Triiodothyronine class view
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Trend hub
Latest market trends
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Guide
How to interpret NADAC
Review the benchmark methodology behind the prices and spreads shown on this market page.
Manufacturer Breakdown
9 manufacturers producing LIOTHYRONINE SODIUM(2 pricing outliers)
Frequently Asked Questions
What is Liothyronine Sodium used to treat?
Liothyronine Sodium is used to treat goiter, myxedema, thyroid neoplasms, autoimmune thyroiditis and thyrotoxicosis, per the National Library of Medicine's MED-RT classification.
When did Liothyronine Sodium become available as a generic?
FDA approved the first generic Liothyronine Sodium (ANDA) on Jan 25, 1982. The Orange Book currently lists 21 AB-rated products for this ingredient, meaning FDA considers them therapeutically equivalent to the brand.
How much does Medicare spend on Liothyronine Sodium?
In 2024, Medicare Part D spent $30 million on Liothyronine Sodium across 757,000 claims for 196,000 beneficiaries.
How many Liothyronine Sodium products are on the market?
The Liothyronine Sodium drug market contains 32 NDCs from 9 manufacturers — 29 generic and 3 brand products.
What is the price range for Liothyronine Sodium?
NADAC reference prices for Liothyronine Sodium range from $0.2023 to $3.7012 per EA — the most expensive product costs about 18× the cheapest.
Is generic Liothyronine Sodium cheaper than brand?
The average generic NADAC for Liothyronine Sodium is $0.2836 per EA, versus $1.5400 for brand-labeled products — brand versions average about 5.4× the generic price.
Which manufacturers make Liothyronine Sodium?
9 manufacturers list Liothyronine Sodium in NADAC. Ranked by number of NDCs, the largest are Sigmapharm Laboratories LLC (8), Pfizer Inc. (3), Mylan Pharmaceuticals Inc. (3), Teva Pharmaceuticals USA Inc. (3), NorthStar Rx LLC (3).
How has the price of Liothyronine Sodium changed recently?
Over the past 7 days, 2 Liothyronine Sodium NDCs rose and 29 fell, with a market-wide average change of -6.2%.