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Live data · NADAC + Part D CY24 · reviewed daily

Cimetidine

Histamine-2 Receptor Antagonist class · 7 generic manufacturers · 22 ANDAs filed at FDA.

First FDA approval1994-05-17
Generic availableYes · 7 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

$9.0M in CY2024 Part D spend151K claims · 46K beneficiaries · 329 plans surveyed

Lowest NADAC
$0.205/unit
20 NDCs benchmarked, lowest of all strengths.
Average NADAC
$0.358
Across all dosage forms in distribution.
Highest NADAC
$0.794
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 Cimetidine used for?

Cimetidine is a Histamine-2 Receptor Antagonist medication tracked in Medicare Part D.

Is there a generic for Cimetidine?

Yes. 22 ANDAs filed at FDA, 7 generic manufacturers currently shipping.

How much does my plan pay for Cimetidine?

Across 329 Part D plans, Cimetidine averages $0.358/unit (NADAC). Lowest available: $0.205/unit. Highest in distribution: $0.794/unit.

Is Cimetidine on the FDA shortage list?

No. Cimetidine 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.

Histamine-2 Receptor Antagonist5 alternatives in D1
01
Famotidine
Brand: Pepcid
$0.030Lowest NADAC
34Generic mfrs
$257.1MCY24 Part D spend
Compare →
02
Ibuprofen Famotidine
Histamine-2 Receptor Antagonist
Lowest NADAC
0Generic mfrs
CY24 Part D spend
Compare →
03
Ibuprofen and Famotidine
Histamine-2 Receptor Antagonist
$0.702Lowest NADAC
4Generic mfrs
CY24 Part D spend
Compare →
04
Nizatidine
Histamine-2 Receptor Antagonist
$0.799Lowest NADAC
3Generic mfrs
$670,367CY24 Part D spend
Compare →
05
Ranitidine
Histamine-2 Receptor Antagonist
Lowest NADAC
4Generic 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.