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United States· US:0143-9782_6b56fe59-9fb1-410b-b57c-7ada1662136a

Fosphenytoin Sodium

A fosphenytoin product containing fosphenytoin sodium, registered in United States by West-Ward Pharmaceuticals Corp. The same ATC class is registered in 11 of our 19 countries.

ATC N03AB05US 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…normalisedFosphenytoin SodiumATCN03AB05REGISTER NO.US:0143-9782_6b56fe59…PACKS LISTED2CHECKEDSeptember 27, 2026
Compare price across countriesPer daily dose · free accountAsk the assistant about fosphenytoin sodiumAnswers with sources · free accountCheck interactionsSeverity free · mechanism on Growth

Where it is registered

Fosphenytoin is registered in 11 of 19 countries.

Countries holding a registration under ATC N03AB05 (fosphenytoin), each read from that country’s own register.

  • This record: United States, from FDA National Drug Code directory (United States)
  • 4 of them publish a price we can compare per daily dose
Search fosphenytoin products by name

Fosphenytoin · ATC N03AB05

11 / 19 countries

  • Canada
  • Denmark
  • Finlandprice
  • Germany
  • Icelandprice
  • Ireland
  • Japan
  • Norwayprice
  • Sweden
  • United Kingdom
  • United Statesprice
Blue: a registration under this ATC code. The ringed marker is this record’s country. Markets marked price publish a price we can compare per daily dose.

The record

At a glance

FDA National Drug Code directory (United States)
Active substance
FOSPHENYTOIN SODIUM
Manufacturer
West-Ward Pharmaceuticals Corp
Country
United States (US)
ATC code
N03AB05
ATC class
Fosphenytoin
Defined daily dose
0.45 g, P
Reimbursed
Not published by this register
Source register
FDA National Drug Code directory (United States)
Last checked
September 27, 2026

Packs & prices · 2

  • ndc11
    0143978210
    10 VIAL in 1 PACKAGE (0143-9782-10) / 10 mL in 1 VIAL (0143-9782-01)
  • ndc11
    0143-9782-10

Regulatory notes

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

Interactions

430 interactions on record for fosphenytoin.

Graded by severity as the source publishes them — 128 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 fosphenytoin against other medicinesHow interaction checks work

Fosphenytoin · interactions on record

430 records

  • 128 severe
  • 275 moderate
  • 10 minor
  • 17 info

Most severe, free to view

  • CimetidineA02BA01severe
  • RolapitantA04AD14severe
  • NaloxegolA06AH03severe
  • NaldemedineA06AH05severe
  • 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 medicine, other countries

Fosphenytoin in 9 other countries

What each register calls a product with the same active substance — salts and hydrates count as the same.

All fosphenytoin products

Authorised across Europe · EMA

The same active substance is authorised in 9 EEA countries. Names it is sold under:

  • Germany · Fosphenytoin Desitin
  • Denmark · Pro-Epanutin
  • Finland · Pro-Epanutin
  • France · Fosphenytoine Arrow, Prodilantin
  • United Kingdom (Northern Ireland) · Pro-Epanutin
  • Ireland · Pro-Epanutin
  • Iceland · Pro-Epanutin
  • Norway · Pro-Epanutin
  • Sweden · Fosphenytoin Eugia, Fosphenytoin Frost

Source: European Medicines Agency, Article 57 product data.

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/d818c5b4-0877-42ba-8fe3-9516f5842ccc
GET /v1/drugs/d818c5b4-0877-42ba-8fe3-9516f5842ccc?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": "INTRAMUSCULAR; INTRAVENOUS",
  "source": "ndc",
  "strength": "50",
  "substance": "FOSPHENYTOIN SODIUM",
  "productndc": "0143-9782",
  "dosage_form": "INJECTION, SOLUTION",
  "dea_schedule": null,
  "strength_unit": "mg/mL",
  "application_number": "ANDA078765",
  "marketing_category": "ANDA"
}
API referenceMCP serverPlans

See everything about fosphenytoin.

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