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Live data · NADAC + Part D CY24 · reviewed daily

Memantine (MEMANTINE)

Memantine hydrochloride tablets are indicated for the treatment of moderate to severe dementia of the Alzheimer’s type.

First FDA approval2015-04-01
Generic availableYes · 24 mfrs
Shortage statusDiscontinued
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

$339.1M in CY2024 Part D spend9.6M claims · 2.1M beneficiaries · 329 plans surveyed

Lowest NADAC
$0.063/unit
20 NDCs benchmarked, lowest of all strengths.
Average NADAC
$0.063
Across all dosage forms in distribution.
Highest NADAC
$0.063
Range is tight.
Plans with PA
1169 / 329
Substantial PA friction across plans.

Questions a plan sponsor actually asks.

FAQPage schema8 entries indexed · 4 visible
What is Memantine used for?

Memantine hydrochloride tablets are indicated for the treatment of moderate to severe dementia of the Alzheimer’s type.

Is there a generic for Memantine?

Yes. 70 ANDAs filed at FDA, 24 generic manufacturers currently shipping.

How much does my plan pay for Memantine?

Across 329 Part D plans, Memantine averages $0.063/unit (NADAC). Lowest available: $0.063/unit. Highest in distribution: $0.063/unit.

Is Memantine on the FDA shortage list?

Memantine has been discontinued by its manufacturer(s).

4 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.

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.