Czechia· CZ-0266446

DUPHALAC

A lactulose product containing lactulose, liquid, registered in Czechia by VIATRIS HEALTHCARE LIMITED, Dublin. The same ATC class is registered in 16 of our 19 countries.

ATC A06AD11

Checked against SÚKL (Czech Republic) on

Informational only — not a medical device.

SOURCE REGISTER · CZSÚKL (Czech Republic)normalisedDUPHALACATCA06AD11REGISTER NO.CZ-0266446PACKS LISTED0CHECKEDSeptember 28, 2026

Where it is registered

Lactulose is registered in 16 of 19 countries.

Countries holding a registration under ATC A06AD11 (lactulose), each read from that country’s own register.

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

Lactulose · ATC A06AD11

16 / 19 countries

  • Belgiumprice
  • Canada
  • Czechiaprice
  • Denmark
  • Finlandprice
  • Franceprice
  • Germany
  • Ireland
  • Japan
  • Netherlands
  • Norwayprice
  • Polandprice
  • Sweden
  • 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.

The record

At a glance

SÚKL (Czech Republic)
Active substance
LACTULOSE, LIQUID
Manufacturer
VIATRIS HEALTHCARE LIMITED, Dublin
Country
Czechia (CZ)
ATC code
A06AD11
ATC class
Lactulose
Defined daily dose
12.5 g, 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

657 interactions on record for lactulose.

Graded by severity as the source publishes them — 263 moderate. 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

Lactulose · interactions on record

657 records

  • 263 moderate
  • 18 minor
  • 376 info

Most severe, free to view

  • CisaprideA03FA02moderate
  • OndansetronA04AA01moderate
  • GranisetronA04AA02moderate
  • DolasetronA04AA04moderate
  • 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.

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/b3f3f04f-84f1-4056-b34b-e7db1b6622d0
GET /v1/drugs/b3f3f04f-84f1-4056-b34b-e7db1b6622d0?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": "POR SOL",
  "source": "sukl",
  "strength": "667MG/ML",
  "pack_size": "1X200ML III",
  "substance": "LACTULOSE, LIQUID",
  "cz_kod_sukl": "0266446",
  "product_type": "CH",
  "substance_codes": "3750",
  "registration_state": "R",
  "registration_number": "80/141/92-S/C"
}

See everything about lactulose.

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.