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Live data · NADAC + Part D CY24 · reviewed daily

Levothyroxine and Liothyronine (EvexiTHROID)

l-Thyroxine class · 0 generic manufacturers · 0 ANDAs filed at FDA.

First FDA approval2025-03-01
Generic availableNo (brand-only)
Shortage statusNone
340B exposureunknown
Last updated
NADAC: weekly (every Wed)Part D Formulary: quarterlyPart D Spend: annual (CY24)Orange Book: weeklyShortages: daily
At a glance · the numbers a plan sponsor wants on screen one
Lowest NADAC
$0.526/unit
5 NDCs benchmarked, lowest of all strengths.
Average NADAC
$0.809
Across all dosage forms in distribution.
Highest NADAC
$1.21
Range is tight.
Plans with PA
0 / 329
Zero PA friction — switching is purely formulary.

Questions a plan sponsor actually asks.

FAQPage schema9 entries indexed · 4 visible
What is Levothyroxine and Liothyronine used for?

Levothyroxine and Liothyronine is a l-Thyroxine medication tracked in Medicare Part D.

Is there a generic for Levothyroxine and Liothyronine?

No. Levothyroxine and Liothyronine is brand-only with no generic equivalents currently in market.

How much does my plan pay for Levothyroxine and Liothyronine?

Across 329 Part D plans, Levothyroxine and Liothyronine averages $0.809/unit (NADAC). Lowest available: $0.526/unit. Highest in distribution: $1.21/unit.

Is Levothyroxine and Liothyronine on the FDA shortage list?

No. Levothyroxine and Liothyronine is not currently on the FDA Drug Shortage Database.

5 additional drug-specific questions are indexed in the page's FAQPage schema for search engines and LLM crawlers, beyond what renders visually above. View page source for the complete JSON-LD.

Same class. Different math.

l-Thyroxine1 alternative in D1
01
Levothyroxine Liothyronine
Brand: NP THYROID 60
Lowest NADAC
0Generic mfrs
CY24 Part D spend
Compare →

Sources · every number above traces back.

Last refresh30 May 2026

Drug identity, dosage forms, brand names: openFDA NDC Directory · First approval, ANDA history: FDA Orange Book · NADAC unit costs: CMS NADAC weekly file (5 NDCs benchmarked) · Formulary tier and PA placement: CMS Part D Formulary file (329 plans) · Annualized spend, claims, beneficiaries: CMS Part D Spending Dashboard · Shortage status: FDA Drug Shortage Database · 340B exposure: HRSA OPAIS. Methodology and reproducibility notes on /methodology.