Iceland· IS-IS/1/25/035/03

Gurdatol

A tolvaptan product containing tolvaptanum inn, registered in Iceland by Sandoz A/S. The same ATC class is registered in 13 of our 19 countries.

ATC C03XA01

Checked against Icelandic Medicines Agency (Iceland) on September 29, 2026

Informational only — not a medical device.

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

Where it is registered

Tolvaptan is registered in 13 of 19 countries.

Countries holding a registration under ATC C03XA01 (tolvaptan), each read from that country’s own register.

This record: Iceland, from Icelandic Medicines Agency (Iceland)
8 of them publish a price we can compare per daily dose

Search tolvaptan products by name

Tolvaptan · ATC C03XA01

13 / 19 countries

Belgiumprice
Canada
Czechiaprice
Denmark
Finlandprice
Icelandprice
Ireland
Italyprice
Japan
Netherlands
Norwayprice
Polandprice
Switzerlandprice

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 tolvaptan costs, country by country.

Normalised to the WHO defined daily dose (30 mg), the median price runs from $1.82 in Czechia to $127.86 in Italy — a ×70 gap.

4 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

Tolvaptan · price per daily dose (30 mg)

USD · FX 28 Sept 2026

IT Italy$127.86
CH Switzerland$72.80
FR France$14.28
CZ Czechia$1.82

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

The record

At a glance

Icelandic Medicines Agency (Iceland)

Active substance: Tolvaptanum INN
Manufacturer: Sandoz A/S
Country: Iceland (IS)
ATC code: C03XA01
ATC class: Tolvaptan
Defined daily dose: 30 mg, O
Reimbursed: Not published by this register
Source register: Icelandic Medicines Agency (Iceland)
Last checked: September 29, 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

183 interactions on record for tolvaptan.

Graded by severity as the source publishes them — 16 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 tolvaptan against other medicines How interaction checks work

Tolvaptan · interactions on record

183 records

16 severe
161 moderate
6 minor

Most severe, free to view

KetoconazoleH02CA03severe
ClarithromycinJ01FA09severe
KetoconazoleJ02AB02severe
Darunavir and cobicistatJ05AR14severe

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

Tolvaptan in 16 other countries

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

All tolvaptan products

Authorised across Europe · EMA

The same active substance is authorised in 20 EEA countries. Names it is sold under:

Austria · Tolvaptan, Tolvaptan +pharma
Belgium · Tolvaptan, Tolvaptan Eg
Czechia · Tolvaptan Stada
Germany · Tolvaptan, Tolvaptan 1 A Pharma
Estonia · Tolvaptan Stada
Spain · Tolvaptán Sandoz, Tolvaptan Stadafarma
France · Tolvaptan Biogaran, Tolvaptan Eg
United Kingdom (Northern Ireland) · Tolvaptan, Tolvaptan Genus Pharmaceuticals
Greece · Gurdatol, Pokydy
Croatia · Gurdatol
Ireland · Tolvaptan Ascend
Italy · Tolvaptan Teva, Tolvaptan Teva Italia
Liechtenstein · Jinarc, Samsca
Lithuania · Tolvaptan Stada
Latvia · Tolvaptan Stada
Netherlands · Tolvaptan Sandoz, Tolvaptan Teva
Norway · Jinarc, Samsca
Poland · Tolvaptan Sandoz
Portugal · Tolvaptano Stada, Tolvaptano Stada 15 Mg + 45 Mg Comprimidos
Sweden · Tolvaptan Hexal, Tolvaptan Sandoz

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 Icelandic Medicines Agency (Iceland). 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/e87126f2-8a1c-41f9-bac5-941f42d35bfd
GET /v1/drugs/e87126f2-8a1c-41f9-bac5-941f42d35bfd?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.

{
  "form": "Tafla",
  "source": "lyfjastofnun",
  "atc_raw": "C03XA01",
  "marketed": false,
  "strength": "15 mg + 45 mg",
  "ma_number": "IS/1/25/035/03",
  "substance": "Tolvaptanum INN",
  "other_info": "Ávísun lyfsins er bundin við sérfræðinga í nýrnasjúkdómum.\r\nMarkaðssetning á Íslandi er háð því að Lyfjastofnun hafi staðfest að sérstök skilyrði er varða öryggi og verkun við notkun lyfsins séu uppfyllt.",
  "legal_status": "(R Z) Sérfræðingsmerkt (og lyfseðilsskylt)",
  "ma_issued_serial": "45747"
}

API reference MCP server Plans

See everything about tolvaptan.

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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