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Live data · NADAC + Part D CY24 · reviewed daily

Sulfadiazine

Sulfonamide Antibacterial class · 1 generic manufacturer · 1 ANDAs filed at FDA.

First FDA approval2021-12-15
Generic availableYes · 1 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

$1.2M in CY2024 Part D spend762 claims · 303 beneficiaries · 329 plans surveyed

Lowest NADAC
$14.98/unit
2 NDCs benchmarked, lowest of all strengths.
Average NADAC
$14.98
Across all dosage forms in distribution.
Highest NADAC
$14.98
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 Sulfadiazine used for?

Sulfadiazine is a Sulfonamide Antibacterial medication tracked in Medicare Part D.

Is there a generic for Sulfadiazine?

Yes. 1 ANDAs filed at FDA, 1 generic manufacturers currently shipping.

How much does my plan pay for Sulfadiazine?

Across 329 Part D plans, Sulfadiazine averages $14.98/unit (NADAC). Lowest available: $14.98/unit. Highest in distribution: $14.98/unit.

Is Sulfadiazine on the FDA shortage list?

No. Sulfadiazine 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.

Sulfonamide Antibacterial2 alternatives in D1
01
Silver Sulfadiazine
Brand: SILVADENE
$0.110Lowest NADAC
0Generic mfrs
$15.4MCY24 Part D spend
Compare →
02
Sodium Sulfacetamide, Sulfur
Brand: SODIUM SULFACETAMIDE - SULFUR WASH
$0.230Lowest 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 (1 approvals on file) · NADAC unit costs: CMS NADAC weekly file (2 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.