United Kingdom· GB-APID-42875411000001105
Salazopyrin 500mg tablets
A sulfasalazine product containing sulfasalazine, registered in United Kingdom by Necessity Supplies Ltd. The same ATC class is registered in 17 of our 19 countries.
Checked against NHS dm+d (United Kingdom) on
Informational only — not a medical device.
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 Kingdom, from NHS dm+d (United Kingdom)
- 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
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
The record
At a glance
NHS dm+d (United Kingdom)- Active substance
- Sulfasalazine
- Manufacturer
- Necessity Supplies Ltd
- Country
- United Kingdom (GB)
- ATC code
- A07EC01
- ATC class
- Sulfasalazine
- Defined daily dose
- 2 g, O
- Reimbursed
- Not published by this register
- Source register
- NHS dm+d (United Kingdom)
- Last checked
- September 13, 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
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.
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.
- United StatesAzulfidinePfizer Laboratories Div Pfizer Inc
- SwedenSalazopyrin 500 mg TablettPfizer AB
- CanadaPMS-SULFASALAZINE 500MG/TAB USPPHARMASCIENCE INC
- FinlandSalazopyrinParanova Oy
- NorwaySalazopyrinPfizer ApS
- IcelandSalazopyrinPfizer ApS
- SwitzerlandSalazopyrin, TablettenPfizer AG
- SpainSALAZOPYRINA 500 MG COMPRIMIDOSPfizer S.L.
Authorised across Europe · EMA
The same active substance is authorised in 29 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
- 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 NHS dm+d (United Kingdom). 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/6a613eed-6946-4ef4-a038-d2fe2b0f9167 GET /v1/drugs/6a613eed-6946-4ef4-a038-d2fe2b0f9167?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.
{
"apid": "42875411000001105",
"desc": "Salazopyrin 500mg tablets (Necessity Supplies Ltd)",
"form": "Oral tablet",
"vpid": "42298211000001101",
"source": "dmd",
"vtm_id": "777645000",
"strength": "500 mg",
"substance": "Sulfasalazine",
"ingredient": "Sulfasalazine",
"supplier_code": "2814701000001108"
}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.