United States· US:50090-7999_c4a32596-527c-4385-888a-012d34fedff3

Warfarin Sodium

A warfarin product containing warfarin sodium, registered in United States by A-S Medication Solutions. The same ATC class is registered in 15 of our 19 countries.

ATC B01AA03

Checked against FDA National Drug Code directory (United States) on September 27, 2026

Informational only — not a medical device.

Compare price across countriesPer daily dose · free account Ask the assistant about warfarin sodiumAnswers with sources · free account Check interactionsSeverity free · mechanism on Growth

Where it is registered

Warfarin is registered in 15 of 19 countries.

Countries holding a registration under ATC B01AA03 (warfarin), each read from that country’s own register.

This record: United States, from FDA National Drug Code directory (United States)
9 of them publish a price we can compare per daily dose

Search warfarin products by name

Warfarin · ATC B01AA03

15 / 19 countries

Belgiumprice
Canada
Czechiaprice
Denmark
Finlandprice
Franceprice
Germany
Icelandprice
Ireland
Italyprice
Norwayprice
Polandprice
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.

Price per daily dose

What a daily dose of warfarin costs, country by country.

Normalised to the WHO defined daily dose (7.5 mg), so markets compare like for like.

2 markets with a comparable price for this class
Public list prices, converted to USD at the rate date shown

Open the full comparison — free account Drug prices for market access

Warfarin · price per daily dose (7.5 mg)

USD · FX 28 Sept 2026

FR France$0.29
IT Italy$0.23

Median listed price per WHO defined daily dose, in each market that publishes a price. Open the full comparison

The record

At a glance

FDA National Drug Code directory (United States)

Active substance: WARFARIN SODIUM
Manufacturer: A-S Medication Solutions
Country: United States (US)
ATC code: B01AA03
ATC class: Warfarin
Defined daily dose: 7.5 mg, O
Reimbursed: Not published by this register
Source register: FDA National Drug Code directory (United States)
Last checked: September 27, 2026

Packs & prices · 2

ndc11
50090-7999-0
ndc11
50090-7999-1

Regulatory notes

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

Interactions

989 interactions on record for warfarin.

Graded by severity as the source publishes them — 153 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 warfarin against other medicines How interaction checks work

Warfarin · interactions on record

989 records

153 severe
414 moderate
59 minor
363 info

Most severe, free to view

MiconazoleA01AB09severe
MiconazoleA07AC01severe
SulfasalazineA07EC01severe
StanozololA14AA02severe

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

Warfarin in 14 other countries

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

All warfarin products

Authorised across Europe · EMA

The same active substance is authorised in 25 EEA countries. Names it is sold under:

Belgium · Marevan
Cyprus · Aldocumar, Warfant
Czechia · Warfarin Orion
Germany · Coumadin®
Denmark · Marevan, Warfarin Orion
Estonia · Marevan, Marevan Forte
Spain · Aldocumar
Finland · Marevan, Marevan Forte
France · Coumadine
United Kingdom (Northern Ireland) · Marevan, Warfarin
Croatia · Martefarin
Hungary · Marfarin, Warfarin Orion
Ireland · Warfant, Warfarin Teva
Iceland · Warfarin Teva
Italy · Coumadin
Lithuania · Orfarin, Warfarin Grindeks
Luxembourg · Marevan
Latvia · Orfarin, Warfarin Grindeks
Malta · Warfarin
Norway · Marevan, Warfarin Orion
Poland · Warfin
Portugal · Enifrav, Varfine
Sweden · Waran, Warfarin Orion
Slovenia · Marevan
Slovakia · Warfarin Orion

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/dbf0ee0c-2c41-4a01-805b-001a5af4c3cd
GET /v1/drugs/dbf0ee0c-2c41-4a01-805b-001a5af4c3cd?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": "ORAL",
  "source": "ndc",
  "strength": "1",
  "substance": "WARFARIN SODIUM",
  "productndc": "50090-7999",
  "dosage_form": "TABLET",
  "dea_schedule": null,
  "strength_unit": "mg/1",
  "application_number": "ANDA040301",
  "marketing_category": "ANDA"
}

API reference MCP server Plans

See everything about warfarin.

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.

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