Norway· NO-ID_113559C7-B2CE-4D3C-A719-7DC4BBC68586
Orfiril retard
A valproic acid product containing sodium valproate, registered in Norway by Desitin Arzneimittel GmbH. The same ATC class is registered in 16 of our 19 countries.
Checked against FEST (Norway) on
Informational only — not a medical device.
Where it is registered
Valproic acid is registered in 16 of 19 countries.
Countries holding a registration under ATC N03AG01 (valproic acid), 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
Valproic acid · ATC N03AG01
16 / 19 countries
- Belgiumprice
- Canada
- Czechiaprice
- Denmark
- Finlandprice
- Germany
- Icelandprice
- Ireland
- Italyprice
- Japan
- Netherlands
- Norwayprice
- Polandprice
- Switzerlandprice
- United Kingdom
- United Statesprice
Price per daily dose
What a daily dose of valproic acid costs, country by country.
Normalised to the WHO defined daily dose (1.5 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
Valproic acid · price per daily dose (1.5 g)
USD · FX 28 Sept 2026
- CH Switzerland$1.61
The record
At a glance
FEST (Norway)- Active substance
- Sodium Valproate
- Manufacturer
- Desitin Arzneimittel GmbH
- Country
- Norway (NO)
- ATC code
- N03AG01
- ATC class
- Valproic acid
- Defined daily dose
- 1.5 g, O
- Reimbursed
- Not published by this register
- Source register
- FEST (Norway)
- Last checked
- September 25, 2026
Packs & prices · 3
1 priced- no_merkevare_idID_113559C7-B2CE-4D3C-A719-7DC4BBC68586
- no_varenummer526376100NOK 796.6
- gtin4031649002625
Regulatory notes
No shortage, Orange Book or US label notes for this record.
Interactions
391 interactions on record for valproic acid.
Graded by severity as the source publishes them — 9 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
Valproic acid · interactions on record
391 records
- 9 severe
- 132 moderate
- 23 minor
- 189 info
Most severe, free to view
- Glycerol phenylbutyrateA16AX09severe
- BexaroteneL01XF03severe
- VorinostatL01XH01severe
- BexarotenL01XX25severe
38 more interactions with mechanism and management, from a commercially licensed source.
Sign in to check- 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.
Same medicine, other countries
Valproic acid in 11 other countries
What each register calls a product with the same active substance — salts and hydrates count as the same.
- CzechiaCONVULEX CRG.L. Pharma GmbH, Lannach
- United KingdomDyzantil 300mg modified-release tabletsAspire Pharma Ltd
- SwedenAbsenor Depot 300 mg DepottablettOrion Corporation
- BelgiumConvulex Retard 300 mgG.L. Pharma
- FinlandAbsenorParanova Oy
- PolandAbsenorOrion Corporation
- IcelandOrfiril RetardDesitin Arzneimittel GmbH
- United StatesDivalproex SodiumHahnemann Laboratories, INC.
Authorised across Europe · EMA
The same active substance is authorised in 29 EEA countries. Names it is sold under:
- Austria · Convulex, Convulex Für Kinder
- Belgium · Depakine, Depakine Enteric
- Bulgaria · Convulex Chrono, Депакин
- Cyprus · Depakine, Epixival
- Czechia · Convulex, Convulex Cr
- Germany · Ergenyl, Ergenyl Intravenös
- Denmark · Delepsine, Delepsine Retard
- Estonia · Convulex, Convulex Retard
- Spain · Ácido Valproico Altan Pharmaceuticals, S.A., Acido Valproico Seacross
- Finland · Absenor, Orfiril
- France · Depakine, L.P.
- United Kingdom (Northern Ireland) · Epilim, Episenta
- Greece · Depakine, Hexaquin
- Croatia · Convyval
- Hungary · Convulex, Convulex Gyermekeknek
- Ireland · Epilim, Epilim Enteric
- Iceland · Orfiril, Orfiril Retard
- Italy · Acido Valproico Sandoz, Depakin
- Lithuania · Convulex, Convulex Retard
- Luxembourg · Depakine, Depakine Enteric
- Latvia · Convulex, Convulex Retard
- Malta · Epilim Liquid
- Netherlands · Depakine Enteric, Depakine I.V.
- Poland · Absenor, Convival Chrono
- Portugal · Ácido Valpróico Generis, Depakine
- Romania · Depakine, Orfiril Long
- Sweden · Absenor, Absenor Depot
- Slovenia · Convyval
- Slovakia · Convulex, Convulex Cr
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/7ac5bb7a-2b3d-403f-a30a-e9ee9b57cb8b GET /v1/drugs/7ac5bb7a-2b3d-403f-a30a-e9ee9b57cb8b?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": "Depottablett",
"source": "fest",
"status": "A",
"atc_name": "Valproinsyre",
"merkevare_id": "ID_113559C7-B2CE-4D3C-A719-7DC4BBC68586",
"name_form_strength": "Orfiril retard depottab 300 mg",
"prescription_group": "C"
}See everything about valproic acid.
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.