Norway· NO-ID_B2D6F8D8-457F-4644-BF57-628763352C34

Nalorex

A naltrexone product containing naltrexone hydrochloride, registered in Norway by L. Molteni og C. dei F.lli Alitti Società di Esercizio S.p.A.. The same ATC class is registered in 16 of our 19 countries.

ATC N07BB04

Checked against FEST (Norway) on

Informational only — not a medical device.

SOURCE REGISTER · NOFEST (Norway)normalisedNalorexATCN07BB04REGISTER NO.NO-ID_B2D6F8D8-457F-4…PACKS LISTED2CHECKEDSeptember 25, 2026

Where it is registered

Naltrexone is registered in 16 of 19 countries.

Countries holding a registration under ATC N07BB04 (naltrexone), each read from that country’s own register.

  • This record: Norway, from FEST (Norway)
  • 9 of them publish a price we can compare per daily dose

Naltrexone · ATC N07BB04

16 / 19 countries

  • Belgiumprice
  • Canada
  • Czechiaprice
  • Denmark
  • Finlandprice
  • Franceprice
  • Germany
  • Ireland
  • Italyprice
  • 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.

Price per daily dose

What a daily dose of naltrexone costs, country by country.

Normalised to the WHO defined daily dose (50 mg), the median price runs from $1.04 in France to $4.34 in Switzerland — a ×4.2 gap.

  • 4 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

Naltrexone · price per daily dose (50 mg)

USD · FX 28 Sept 2026

  • CH Switzerland$4.34
  • IT Italy$2.06
  • US United States$1.14 (acquisition cost)
  • FR France$1.04
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

FEST (Norway)
Active substance
Naltrexone Hydrochloride
Manufacturer
L. Molteni og C. dei F.lli Alitti Società di Esercizio S.p.A.
Country
Norway (NO)
ATC code
N07BB04
ATC class
Naltrexone
Defined daily dose
50 mg, O
Reimbursed
Not published by this register
Source register
FEST (Norway)
Last checked
September 25, 2026

Packs & prices · 2

  • no_merkevare_id
    ID_B2D6F8D8-457F-4644-BF57-628763352C34
  • no_varenummer
    227748
    14

Regulatory notes

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

Interactions

404 interactions on record for naltrexone.

Graded by severity as the source publishes them — 42 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

Naltrexone · interactions on record

404 records

  • 42 severe
  • 324 moderate
  • 38 info

Most severe, free to view

  • OpiumA07DA02severe
  • MipomersenC10AX11severe
  • LomitapideC10AX12severe
  • BremelanotideG02CX05severe
  • 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

Naltrexone in 15 other countries

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

All naltrexone products

Authorised across Europe · EMA

The same active substance is authorised in 24 EEA countries. Names it is sold under:

  • Austria · Dependex, Ethylex
  • Belgium · Naltrexone Accord
  • Cyprus · Abernil
  • Czechia · Adepend, Naltrexone Walter Ritter
  • Germany · Adepend, Naltrexon-Hcl Neuraxpharm
  • Denmark · Naltrexon "walter Ritter", Naltrexon Accord
  • Estonia · Naltrexone Accord
  • Spain · Tranalex
  • Finland · Naldix, Naltrexon Accord
  • France · Naltrexone Accord, Naltrexone Viatris
  • United Kingdom (Northern Ireland) · Adepend, Naltrexone Hydrochloride Accord Healthcare
  • Croatia · Adepend, Naltreksonklorid Walter Ritter
  • Hungary · Adepend
  • Ireland · Ethylex, Naltrexone Hydrochloride Accord Healthcare Ireland
  • Italy · Antaxone, Nalorex
  • Lithuania · Naltrexone Accord
  • Latvia · Naltrexone Accord
  • Netherlands · Naltrexon Hcl Walter Ritter, Naltrexon Hydrochloride Accord
  • Poland · Adepend, Naltex
  • Portugal · Destoxican, Naltrexona Accord
  • Romania · Naltrexona Amomed, Naltrexona Walter Ritter
  • Sweden · Naltrexon Molteni, Naltrexon Vitaflo
  • Slovenia · Adepend, Naltrekson Walter Ritter
  • Slovakia · Adepend

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 FEST (Norway). 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/c222fa3a-bd48-4db6-852c-8a9fec1d14d0
GET /v1/drugs/c222fa3a-bd48-4db6-852c-8a9fec1d14d0?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": "Tablett, filmdrasjert",
  "source": "fest",
  "status": "A",
  "atc_name": "Naltrekson",
  "merkevare_id": "ID_B2D6F8D8-457F-4644-BF57-628763352C34",
  "name_form_strength": "Nalorex tab 50 mg",
  "prescription_group": "C"
}

See everything about naltrexone.

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.