Denmark· DK-28100991878
Orfiril
A valproic acid product containing natriumvalproat, registered in Denmark by Desitin Arzneimittel Gmbh. The same ATC class is registered in 16 of our 19 countries.
Checked against Danish Medicines Agency (Denmark) 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: Denmark, from Danish Medicines Agency (Denmark)
- 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
Danish Medicines Agency (Denmark)- Active substance
- NATRIUMVALPROAT
- Manufacturer
- Desitin Arzneimittel Gmbh
- Country
- Denmark (DK)
- ATC code
- N03AG01
- ATC class
- Valproic acid
- Defined daily dose
- 1.5 g, O
- Reimbursed
- Not published by this register
- Source register
- Danish Medicines Agency (Denmark)
- Last checked
- September 30, 2026
Packs & prices · 1
- dk_varenummer28100991878
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 class
Other records under N03AG01
Valproic acid, as other registers publish it.
Sourced from a public register and reproduced with attribution. Drug Database is not affiliated with, endorsed by, or a partner of Danish Medicines Agency (Denmark). 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/adc163be-d472-45b1-929b-48e5341a27d2 GET /v1/drugs/adc163be-d472-45b1-929b-48e5341a27d2?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": "enterotabletter",
"source": "dkma",
"strength": "300 mg",
"auth_role": "DKMA",
"dk_drugid": "28100991878",
"substance": "NATRIUMVALPROAT",
"auth_procedure": "National",
"in_medicinpriser": true,
"registration_date_serial": "29152"
}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.