United States· US:50090-0086_48066ade-48d8-492d-b0b6-9aafad705a5b

Sulfasalazine

A sulfasalazine product containing sulfasalazine, registered in United States by A-S Medication Solutions. The same ATC class is registered in 17 of our 19 countries.

ATC A07EC01US 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…normalisedSulfasalazineATCA07EC01REGISTER NO.US:50090-0086_48066ad…PACKS LISTED2CHECKEDSeptember 27, 2026

Where it is registered

Sulfasalazine is registered in 17 of 19 countries.

Countries holding a registration under ATC A07EC01 (sulfasalazine), each read from that country’s own register.

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

Sulfasalazine · ATC A07EC01

17 / 19 countries

  • Belgiumprice
  • Canada
  • Czechiaprice
  • Denmark
  • Finlandprice
  • Franceprice
  • Germany
  • Icelandprice
  • Ireland
  • Italyprice
  • Japan
  • Netherlands
  • Norwayprice
  • Polandprice
  • Switzerlandprice
  • 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 sulfasalazine costs, country by country.

Normalised to the WHO defined daily dose (2 g), the median price runs from $0.43 in France to $1.35 in Switzerland — a ×3.1 gap.

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

Sulfasalazine · price per daily dose (2 g)

USD · FX 28 Sept 2026

  • CH Switzerland$1.35
  • IT Italy$0.68
  • FR France$0.43
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
SULFASALAZINE
Manufacturer
A-S Medication Solutions
Country
United States (US)
ATC code
A07EC01
ATC class
Sulfasalazine
Defined daily dose
2 g, 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
    50090-0086-4
  • ndc11
    5009000864
    90 TABLET in 1 BOTTLE (50090-0086-4)

Regulatory notes

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

Interactions

466 interactions on record for sulfasalazine.

Graded by severity as the source publishes them — 31 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

Sulfasalazine · interactions on record

466 records

  • 31 severe
  • 183 moderate
  • 7 minor
  • 243 info

Most severe, free to view

  • DicoumarolB01AA01severe
  • WarfarinB01AA03severe
  • MipomersenC10AX11severe
  • LomitapideC10AX12severe

2 more interactions with mechanism and management, from a commercially licensed source.

Sign in to check
  • 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

Sulfasalazine in 16 other countries

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

All sulfasalazine products

Authorised across Europe · EMA

The same active substance is authorised in 30 EEA countries. Names it is sold under:

  • Austria · Salazopyrin
  • Belgium · Salazopyrine Ec
  • Bulgaria · Сулфасалазин Ен
  • Cyprus · Salazidin Gr
  • Czechia · Salazopyrin En, Sulfasalazin K-En
  • Germany · Azulfidine, Azulfidine Ra
  • Denmark · Salazopyrin, Salazopyrin Entabs
  • Estonia · Salazopyrin En
  • Spain · Salazopyrina
  • Finland · Salazopyrin, Salazopyrin En
  • France · Salazopyrine
  • United Kingdom (Northern Ireland) · Salazopyrin, Salazopyrin En-Tabs
  • Greece · Salopyrine
  • Croatia · Salazopyrin En, Sulfasalazin En Krka
  • Hungary · Salazopyrin En
  • Ireland · Salazopyrin, Salazopyrin En-Tabs
  • Iceland · Salazopyrin, Salazopyrin En-Tabs
  • Italy · Salazopyrin En
  • Lithuania · Sulfasalazine Krka
  • Luxembourg · Salazopyrine Ec
  • Latvia · Sulfasalazine Krka
  • Malta · Salazidin, Sulfasalazin Heyl
  • Netherlands · Salazopyrine E.C., Salazopyrine Zetpil
  • Norway · Salazopyrin En
  • Poland · Salazopyrin En, Sulfasalazin En Krka
  • Portugal · Salazopirina En
  • Romania · Salazidin, Sulfasalazină En
  • Sweden · Salazopyrin, Salazopyrin En
  • Slovenia · Sulfasalazin Krka
  • Slovakia · Sulfasalazin-En

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/debd016f-9ef2-4533-9674-00a15f526b99
GET /v1/drugs/debd016f-9ef2-4533-9674-00a15f526b99?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": "500",
  "substance": "SULFASALAZINE",
  "productndc": "50090-0086",
  "dosage_form": "TABLET",
  "dea_schedule": null,
  "strength_unit": "mg/1",
  "application_number": "NDA007073",
  "marketing_category": "NDA AUTHORIZED GENERIC"
}

See everything about sulfasalazine.

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.