Czechia· CZ-0251169

ULDIULAN

A chlortalidone product containing chlortalidone, registered in Czechia by G.L. Pharma GmbH, Lannach. The same ATC class is registered in 11 of our 19 countries.

ATC C03BA04

Checked against SÚKL (Czech Republic) on September 28, 2026

Informational only — not a medical device.

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

Where it is registered

Chlortalidone is registered in 11 of 19 countries.

Countries holding a registration under ATC C03BA04 (chlortalidone), each read from that country’s own register.

This record: Czechia, from SÚKL (Czech Republic)
7 of them publish a price we can compare per daily dose

Search chlortalidone products by name

Chlortalidone · ATC C03BA04

11 / 19 countries

Belgiumprice
Canada
Czechiaprice
Finlandprice
Germany
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 chlortalidone costs, country by country.

Normalised to the WHO defined daily dose (25 mg), the median price runs from $0.40 in Switzerland to $5.90 in United States — a ×15 gap.

2 markets with a comparable price for this class
Public list prices, converted to USD at the rate date shown
US figures are pharmacy acquisition cost (CMS NADAC), not retail

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

Chlortalidone · price per daily dose (25 mg)

USD · FX 28 Sept 2026

US United States$5.90 (acquisition cost)
CH Switzerland$0.40

Median listed price per WHO defined daily dose, in each market that publishes a price. US = pharmacy acquisition cost (CMS NADAC), not a retail price. Open the full comparison

The record

At a glance

SÚKL (Czech Republic)

Active substance: CHLORTALIDONE
Manufacturer: G.L. Pharma GmbH, Lannach
Country: Czechia (CZ)
ATC code: C03BA04
ATC class: Chlortalidone
Defined daily dose: 25 mg, O
Reimbursed: Not published by this register
Source register: SÚKL (Czech Republic)
Last checked: September 28, 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

264 interactions on record for chlortalidone.

Graded by severity as the source publishes them — 4 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 chlortalidone against other medicines How interaction checks work

Chlortalidone · interactions on record

264 records

4 severe
208 moderate
19 minor
29 info

Most severe, free to view

CisaprideA03FA02severe
DolasetronA04AA04severe
Aminolevulinic acidL01XD04severe
Arsenic trioxideL01XX27severe

4 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

Chlortalidone in 12 other countries

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

All chlortalidone products

Authorised across Europe · EMA

The same active substance is authorised in 16 EEA countries. Names it is sold under:

Austria · Hydrosan, Uldiulan
Belgium · Hygroton
Bulgaria · Zornichka, Зорничка
Germany · Chlortalidon Axiromed, Chlortalidon Glenmark
Spain · Clortalidona Glenmark, Higrotona
United Kingdom (Northern Ireland) · Chlortalidone Glenmark Pharmaceuticals Europe, Chlortalidone Morningside Healthcare
Greece · Hygroton, Unidone
Croatia · Kataldi, Klortalidon Sandoz
Hungary · Uldiulan
Italy · Igroton
Netherlands · Chloortalidon Focus Care, Chloortalidon Glenmark
Poland · Hygroton, Uldiulan
Portugal · Clorotalidona Farmoz, Clorotalidona Glenmark
Romania · Uldiulan
Sweden · Hygropax
Slovakia · Uldiulan

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 SÚKL (Czech Republic). 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/0f65a88d-236c-4efe-aa7f-07ea755ba409
GET /v1/drugs/0f65a88d-236c-4efe-aa7f-07ea755ba409?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": "TBL NOB",
  "source": "sukl",
  "strength": "50MG",
  "pack_size": "30",
  "substance": "CHLORTALIDONE",
  "cz_kod_sukl": "0251169",
  "product_type": "CH",
  "substance_codes": "335",
  "registration_state": "R",
  "registration_number": "50/272/20-C"
}

API reference MCP server Plans

See everything about chlortalidone.

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