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Live data · NADAC + Part D CY24 · reviewed daily

Mexiletine

Mexiletine stabilizes heart rhythm in patients with irregular heartbeat.

First FDA approval1995-06-05
Generic availableYes · 8 mfrs
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

$14.2M in CY2024 Part D spend145K claims · 44K beneficiaries · 329 plans surveyed

Lowest NADAC
$0.254/unit
20 NDCs benchmarked, lowest of all strengths.
Average NADAC
$0.316
Across all dosage forms in distribution.
Highest NADAC
$0.494
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 Mexiletine used for?

Mexiletine stabilizes heart rhythm in patients with irregular heartbeat.

Is there a generic for Mexiletine?

Yes. 24 ANDAs filed at FDA, 8 generic manufacturers currently shipping.

How much does my plan pay for Mexiletine?

Across 329 Part D plans, Mexiletine averages $0.316/unit (NADAC). Lowest available: $0.254/unit. Highest in distribution: $0.494/unit.

Is Mexiletine on the FDA shortage list?

No. Mexiletine 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.

Antiarrhythmic6 alternatives in D1
01
Amiodarone
Brand: Nexterone
$0.121Lowest NADAC
15Generic mfrs
$116.4MCY24 Part D spend
Compare →
02
Dofetilide
Brand: Tikosyn
$0.182Lowest NADAC
8Generic mfrs
$96.7MCY24 Part D spend
Compare →
03
Dronedarone
Brand: Multaq
$13.19Lowest NADAC
1Generic mfrs
$626.9MCY24 Part D spend
Compare →
04
Flecainide
Antiarrhythmic
$0.112Lowest NADAC
7Generic mfrs
$77.9MCY24 Part D spend
Compare →
05
Lidocaine Hydrochloride
Brand: AKTEN
Lowest NADAC
25Generic mfrs
CY24 Part D spend
Compare →
06
Procainamide
Antiarrhythmic
Lowest NADAC
5Generic 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 (10 approvals on file) · NADAC unit costs: CMS NADAC weekly file (20 NDCs benchmarked) · Formulary tier and PA placement: CMS Part D Formulary file (329 plans) · Annualized spend, claims, beneficiaries: CMS Part D Spending Dashboard (CY2024) · Shortage status: FDA Drug Shortage Database · 340B exposure: HRSA OPAIS. Methodology and reproducibility notes on /methodology.