Japan· JP-6219001H2095

サラゾスルファピリジン

A sulfasalazine product containing サラゾスルファピリジン, registered in Japan by 長生堂製薬, on the national reimbursement list. The same ATC class is registered in 17 of our 19 countries.

On Japan’s NHI price listATC A07EC01

Checked against MHLW / PMDA (Japan) on September 25, 2026

Informational only — not a medical device.

Compare price across countriesPer daily dose · free account Ask the assistant about サラゾスルファピリジンAnswers with sources · free account Check interactionsSeverity free · mechanism on Growth

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: Japan, from MHLW / PMDA (Japan)
10 of them publish a price we can compare per daily dose

Search sulfasalazine products by name

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

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

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

MHLW / PMDA (Japan)

Active substance: サラゾスルファピリジン
Manufacturer: 長生堂製薬
Country: Japan (JP)
ATC code: A07EC01
ATC class: Sulfasalazine
Defined daily dose: 2 g, O
Reimbursed: Yes
Source register: MHLW / PMDA (Japan)
Last checked: September 25, 2026

Packs & prices · 0

No packs listed by the register for this record.

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

Check sulfasalazine against other medicines How interaction checks work

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.

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 MHLW / PMDA (Japan). 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/d51b35ea-78a2-48a3-ae67-cf07d22dc6c7
GET /v1/drugs/d51b35ea-78a2-48a3-ae67-cf07d22dc6c7?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.

{
  "spec": "２５０ｍｇ１錠",
  "marks": null,
  "source": "mhlw",
  "remarks": null,
  "yj_code": "6219001H2095",
  "category": "内用薬",
  "price_yen": 12.5,
  "generic_name": "サラゾスルファピリジン",
  "product_name_jp": null,
  "therapeutic_class": "6219",
  "transitional_expiry": null
}

API reference MCP server Plans

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.

Try it free Open in the console