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Live data · NADAC + Part D CY24 · reviewed daily

Ampicillin and Sulbactam (Ampicillin and Sulbactam)

Ampicillin and Sulbactam kills bacteria by disrupting cell wall synthesis.

First FDA approval1991-11-22
Generic availableNo (brand-only)
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
Lowest NADAC
/unit
0 NDCs benchmarked, lowest of all strengths.
Average NADAC
Across all dosage forms in distribution.
Highest NADAC
Range is tight.
Plans with PA
80 / 329
Limited PA friction.

Questions a plan sponsor actually asks.

FAQPage schema7 entries indexed · 4 visible
What is Ampicillin and Sulbactam used for?

Ampicillin and Sulbactam kills bacteria by disrupting cell wall synthesis.

Is there a generic for Ampicillin and Sulbactam?

No. Ampicillin and Sulbactam is brand-only with no generic equivalents currently in market.

How much does my plan pay for Ampicillin and Sulbactam?

NADAC pricing data not currently available for this drug.

Is Ampicillin and Sulbactam on the FDA shortage list?

No. Ampicillin and Sulbactam is not currently on the FDA Drug Shortage Database.

3 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.

Penicillin-class Antibacterial6 alternatives in D1
01
Ampicillin
Brand: AMPICILLIN
$0.458Lowest NADAC
8Generic mfrs
$7.0MCY24 Part D spend
Compare →
02
Nafcillin
Brand: Nafcillin
Lowest NADAC
5Generic mfrs
$4.0MCY24 Part D spend
Compare →
03
Oxacillin
Brand: Oxacillin
Lowest NADAC
5Generic mfrs
$3.2MCY24 Part D spend
Compare →
04
Penicillin G
Brand: PENICILLIN G POTASSIUM
Lowest NADAC
5Generic mfrs
$2.2MCY24 Part D spend
Compare →
05
Penicillin V
Penicillin-class Antibacterial
$0.044Lowest NADAC
4Generic mfrs
$4.2MCY24 Part D spend
Compare →
06
Piperacillin and Tazobactam
Brand: PIPERACILLIN AND TAZOBACTAM
$3.49Lowest 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 · NADAC unit costs: CMS NADAC weekly file · Formulary tier and PA placement: CMS Part D Formulary file (329 plans) · Annualized spend, claims, beneficiaries: CMS Part D Spending Dashboard · Shortage status: FDA Drug Shortage Database · 340B exposure: HRSA OPAIS. Methodology and reproducibility notes on /methodology.