Iceland· IS-EU/1/99/120/003-004

Ammonaps

A sodium phenylbutyrate product containing natrii phenylbutyras, registered in Iceland by Immedica Pharma AB. The same ATC class is registered in 14 of our 19 countries.

ATC A16AX03

Checked against Icelandic Medicines Agency (Iceland) on

Informational only — not a medical device.

SOURCE REGISTER · ISIcelandic Medicines Agency (Iceland)normalisedAmmonapsATCA16AX03REGISTER NO.IS-EU/1/99/120/003-004PACKS LISTED1CHECKEDSeptember 29, 2026

Where it is registered

Sodium phenylbutyrate is registered in 14 of 19 countries.

Countries holding a registration under ATC A16AX03 (sodium phenylbutyrate), 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

Sodium phenylbutyrate · ATC A16AX03

14 / 19 countries

  • Belgiumprice
  • Canada
  • Czechiaprice
  • Denmark
  • Finlandprice
  • Icelandprice
  • Ireland
  • 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 sodium phenylbutyrate costs, country by country.

Normalised to the WHO defined daily dose (20 g), so markets compare like for like.

  • 1 market with a comparable price for this class
  • Public list prices, converted to USD at the rate date shown

Sodium phenylbutyrate · price per daily dose (20 g)

USD · FX 28 Sept 2026

  • CZ Czechia$0.46
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
Natrii phenylbutyras
Manufacturer
Immedica Pharma AB
Country
Iceland (IS)
ATC code
A16AX03
ATC class
Sodium phenylbutyrate
Defined daily dose
20 g, O
Reimbursed
Not published by this register
Source register
Icelandic Medicines Agency (Iceland)
Last checked
September 29, 2026

Packs & prices · 1

1 priced
  • ean
    999922
    266 g x1 glas
    ISK 376842

Regulatory notes

No shortage, Orange Book or US label notes for this record.

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/10d0a03a-3d75-4a93-927b-e2f47d92c8c1
GET /v1/drugs/10d0a03a-3d75-4a93-927b-e2f47d92c8c1?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": "Kyrni",
  "source": "lyfjastofnun",
  "atc_raw": "A16AX03",
  "marketed": false,
  "strength": "940 mg/g",
  "ma_number": "EU/1/99/120/003-004",
  "substance": "Natrii phenylbutyras",
  "other_info": "Ávísun lyfsins er bundin við lyflækna, barnalækna og heimilis- og heilsugæslulækna.",
  "legal_status": "(R Z) Sérfræðingsmerkt (og lyfseðilsskylt)",
  "ma_issued_serial": "38471"
}

See everything about sodium phenylbutyrate.

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.