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Live data · NADAC + Part D CY24 · reviewed daily

Amiloride

Potassium-sparing Diuretic class · 2 generic manufacturers · 2 ANDAs filed at FDA.

First FDA approval1986-01-22
Generic availableYes · 2 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

$3.1M in CY2024 Part D spend169K claims · 51K beneficiaries · 329 plans surveyed

Lowest NADAC
$0.203/unit
4 NDCs benchmarked, lowest of all strengths.
Average NADAC
$0.203
Across all dosage forms in distribution.
Highest NADAC
$0.203
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 Amiloride used for?

Amiloride is a Potassium-sparing Diuretic medication tracked in Medicare Part D.

Is there a generic for Amiloride?

Yes. 2 ANDAs filed at FDA, 2 generic manufacturers currently shipping.

How much does my plan pay for Amiloride?

Across 329 Part D plans, Amiloride averages $0.203/unit (NADAC). Lowest available: $0.203/unit. Highest in distribution: $0.203/unit.

Is Amiloride on the FDA shortage list?

No. Amiloride 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.

Potassium-sparing Diuretic2 alternatives in D1
01
Triamterene
Brand: Dyrenium
$6.88Lowest NADAC
2Generic mfrs
$6.6MCY24 Part D spend
Compare →
02
Triamterene Capsules
Brand: Triamterene
$6.88Lowest 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 (3 approvals on file) · NADAC unit costs: CMS NADAC weekly file (4 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.