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United States· US:44567-223_c7d4ca5b-202d-4ba3-adfa-4eccf19d2d47

Nafcillin

A nafcillin product containing nafcillin sodium, registered in United States by WG Critical Care, LLC.

ATC J01CF06US label

Checked against FDA National Drug Code directory (United States) on

Informational only — not a medical device.

SOURCE REGISTER · USFDA National Drug Code directory (Unite…normalisedNafcillinATCJ01CF06REGISTER NO.US:44567-223_c7d4ca5b…PACKS LISTED2CHECKEDJune 26, 2026
Compare price across countriesPer daily dose · free accountAsk the assistant about nafcillin sodiumAnswers with sources · free accountCheck interactionsSeverity free · mechanism on Growth

The record

At a glance

FDA National Drug Code directory (United States)
Active substance
NAFCILLIN SODIUM
Manufacturer
WG Critical Care, LLC
Country
United States (US)
ATC code
J01CF06
ATC class
Nafcillin
Defined daily dose
3 g, P
Reimbursed
Not published by this register
Source register
FDA National Drug Code directory (United States)
Last checked
June 26, 2026

Packs & prices · 2

  • ndc11
    44567-223-01
  • ndc11
    4456722301
    1 VIAL, PHARMACY BULK PACKAGE in 1 CARTON (44567-223-01) / 100 mL in 1 VIAL, PHARMACY BULK PACKAGE

Regulatory notes

No shortage, Orange Book or US label notes for this record.

Interactions

173 interactions on record for nafcillin.

Graded by severity as the source publishes them — 34 severe. Severity grades are free for everyone; mechanism and management come with Growth.

  • Severity for every pair — free, no plan needed
  • The source, licence and sync date on every record
  • Mechanism and what to do for each pair — Growth plan
Check nafcillin against other medicinesHow interaction checks work

Nafcillin · interactions on record

173 records

  • 34 severe
  • 128 moderate
  • 11 minor

Most severe, free to view

  • DicoumarolB01AA01severe
  • WarfarinB01AA03severe
  • DeflazacortH02AB13severe
  • MethotrexateL01BA01severe
  • Interaction severity from DDInter 2.0 (Xiong G. et al., Nucleic Acids Res.), licensed CC BY-NC 4.0 — free for non-commercial use only; not covered by the Drug Database commercial licence.
Mechanism and what to do, in the interaction check
Source: DDInter 2.0 · synced 29 Sept 2026. Grades as the source publishes them.

Same class

Other records under J01CF06

Nafcillin, as other registers publish it.

All nafcillin products

Sourced from a public register and reproduced with attribution. Drug Database is not affiliated with, endorsed by, or a partner of FDA National Drug Code directory (United States). This is an informational data service and not a medical device — verify against the official source of record before any clinical decision.

For developers

The same record over the API, and the raw payload
GET /v1/drugs/d831f182-4fd9-4cb8-8b83-83a3f948b9a9
GET /v1/drugs/d831f182-4fd9-4cb8-8b83-83a3f948b9a9?format=fhir

Every response carries last_synced_at, so freshness is a field rather than a promise. Below is exactly what the ingestion wrote, before any presentation — the same JSON the API returns under payload.

{
  "route": "INTRAVENOUS",
  "source": "ndc",
  "strength": "10",
  "substance": "NAFCILLIN SODIUM",
  "productndc": "44567-223",
  "dosage_form": "INJECTION, POWDER, FOR SOLUTION",
  "dea_schedule": null,
  "strength_unit": "g/100mL",
  "application_number": "ANDA090005",
  "marketing_category": "ANDA"
}
API referenceMCP serverPlans

See everything about nafcillin.

This page is the registration. A free account adds the label text as the regulator wrote it, what it costs per daily dose across the markets that publish a price, a feed of what changes in the registers, and an assistant that answers with its sources. Interaction severity is free; mechanism and management are on the Growth plan. No card, nothing to install.

Try it freeOpen in the console