Product Information
SYNTHROID 137 MCG TABLET is a brand product labeled by AbbVie Inc., priced at $1.6637 per EA under NDC 00074372719. Its NADAC has been published 578 times since Jul 29, 2015.
FDA first approved this application on Jul 24, 2002. Its Orange Book therapeutic-equivalence code is AB1,AB2 — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
137 ug/1
Manufacturer
AbbVie Inc.NDC
00074372719
Classification
Brand
Dosage Form
TABLET
Route
ORAL
Effective Date
8/19/2026
Active Ingredients
LEVOTHYROXINE SODIUMApproval Type
New Drug (NDA)
FDA Application
NDA021402FDA Approved
7/24/2002
TE Code
AB1,AB2
On Market Since
7/24/2002
Pharmacological Classes
Price Statistics
The NADAC for SYNTHROID 137 MCG TABLET has been published 578 times since Jul 29, 2015, and over the history we have for it it has risen 69.4%. The table below summarizes its recorded NADAC range and movement.
| Current price | $1.6637 per EA |
|---|---|
| All-time high | $1.6650 (Jun 10, 2026) |
| All-time low | $0.9821 (Jul 29, 2015) |
| 52-week high | $1.6650 |
| 52-week low | $1.5837 |
| Median price | $1.3057 |
| Average price | $1.3009 |
| Largest weekly change | +5.4% (Jan 6, 2016) |
| Weeks tracked | 578 |
| Tracking since | Jul 29, 2015 |
Generic Alternatives
The matcher finds 4 manufacturers offering a NADAC-published product with this drug's active ingredient and strength in a comparable dosage form (cheapest from each manufacturer, up to 10 shown below). Switching to the cheapest would cut per-unit acquisition cost by roughly 96% at current NADAC. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.
Related Drugs
Same classification
Frequently asked questions
What is the NADAC price of SYNTHROID 137 MCG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for SYNTHROID 137 MCG TABLET, manufactured by AbbVie Inc., is $1.6637 per EA (NDC 00074372719), effective Aug 19, 2026.
How has the price of SYNTHROID 137 MCG TABLET changed over time?
Over the history we have for it, the NADAC for SYNTHROID 137 MCG TABLET has risen 69.4%. It has been tracked across 578 weekly CMS publications since Jul 29, 2015.
What are the highest and lowest recorded NADAC prices for SYNTHROID 137 MCG TABLET?
Since Jul 29, 2015, the NADAC for SYNTHROID 137 MCG TABLET has ranged from a low of $0.9821 (Jul 29, 2015) to a high of $1.6650 (Jun 10, 2026), with a median of $1.3057 per EA.
Are there cheaper alternatives to SYNTHROID 137 MCG TABLET?
Yes. 4 manufacturers publish a NADAC-priced product with the same active ingredient and strength in a comparable dosage form. The lowest-priced option, LEVOTHYROXINE 137 MCG TABLET, is $0.0627 per EA — about 96% below SYNTHROID 137 MCG TABLET.
Who manufactures SYNTHROID 137 MCG TABLET?
SYNTHROID 137 MCG TABLET (NDC 00074372719) is labeled by AbbVie Inc., and CMS classifies it as a brand product.