United States· US:55111-477_6f5c36d3-3f99-803c-5be6-66b2e1058946
Primidone
A primidone product containing primidone, registered in United States by Dr. Reddy's Laboratories Limited. The same ATC class is registered in 17 of our 19 countries.
Checked against FDA National Drug Code directory (United States) on
Informational only — not a medical device.
Where it is registered
Primidone is registered in 17 of 19 countries.
Countries holding a registration under ATC N03AA03 (primidone), each read from that country’s own register.
- This record: United States, from FDA National Drug Code directory (United States)
- 9 of them publish a price we can compare per daily dose
Primidone · ATC N03AA03
17 / 19 countries
- Belgiumprice
- Canada
- Czechiaprice
- Denmark
- Finlandprice
- Franceprice
- Germany
- Ireland
- Italyprice
- Japan
- Netherlands
- Norwayprice
- Polandprice
- Sweden
- Switzerlandprice
- United Kingdom
- United Statesprice
Price per daily dose
What a daily dose of primidone costs, country by country.
Normalised to the WHO defined daily dose (1.25 g), the median price runs from $0.86 in Italy to $2.61 in Switzerland — a ×3.0 gap.
- 3 markets with a comparable price for this class
- Public list prices, converted to USD at the rate date shown
Primidone · price per daily dose (1.25 g)
USD · FX 28 Sept 2026
- CH Switzerland$2.61
- FR France$0.88
- IT Italy$0.86
The record
At a glance
FDA National Drug Code directory (United States)- Active substance
- PRIMIDONE
- Manufacturer
- Dr. Reddy's Laboratories Limited
- Country
- United States (US)
- ATC code
- N03AA03
- ATC class
- Primidone
- Defined daily dose
- 1.25 g, O
- Reimbursed
- Not published by this register
- Source register
- FDA National Drug Code directory (United States)
- Last checked
- September 27, 2026
Packs & prices · 10
- ndc115511147701100 TABLET in 1 BOTTLE (55111-477-01)
- ndc115511147705500 TABLET in 1 BOTTLE (55111-477-05)
- ndc11551114773030 TABLET in 1 BOTTLE (55111-477-30)
- ndc11551114776060 TABLET in 1 BOTTLE (55111-477-60)
- ndc11551114777810 BLISTER PACK in 1 CARTON (55111-477-78) / 10 TABLET in 1 BLISTER PACK (55111-477-79)
- ndc1155111-477-01
- ndc1155111-477-05
- ndc1155111-477-30
- ndc1155111-477-60
- ndc1155111-477-78
Regulatory notes
No shortage, Orange Book or US label notes for this record.
Interactions
424 interactions on record for primidone.
Graded by severity as the source publishes them — 129 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
Primidone · interactions on record
424 records
- 129 severe
- 199 moderate
- 8 minor
- 53 info
Most severe, free to view
- RolapitantA04AD14severe
- NaloxegolA06AH03severe
- NaldemedineA06AH05severe
- EliglustatA16AX10severe
35 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
Primidone in 15 other countries
What each register calls a product with the same active substance — salts and hydrates count as the same.
- United KingdomEnodama 50mg tabletsDesitin Pharma Ltd
- NorwayPrimidon orifarmOrifarm Generics A/S
- FinlandPrimidon Afortas2Care4 Generics ApS
- SwedenPrimidon Afortas 50 mg Tablett2care4 Generics ApS
- GermanyLiskantinDesitin Arzneimittel Gmbh
- NetherlandsMysoline tabletten 250 mgMedcor Pharmaceuticals B.V.
- CanadaPRIMIDONEAA PHARMA INC
- PolandMizodinZakłady Farmaceutyczne "UNIA" Spółdzielnia Pracy
Authorised across Europe · EMA
The same active substance is authorised in 20 EEA countries. Names it is sold under:
- Austria · Mysoline
- Belgium · Mysoline
- Czechia · Liskantin
- Germany · Liskantin, Liskantin Saft
- Denmark · Primidon Afortas, Primidon Orifarm
- Estonia · Liskantin
- Spain · Mysoline
- Finland · Primidon Afortas
- France · Mysoline
- United Kingdom (Northern Ireland) · Enodama, Mysoline
- Hungary · Sertan
- Ireland · Mysoline
- Italy · Mysoline
- Luxembourg · Mysoline
- Malta · Mysoline, Primidone Serb
- Netherlands · Mysoline
- Norway · Primidon Afortas
- Poland · Mizodin
- Portugal · Mysoline
- Sweden · Primidon Afortas
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 FDA National Drug Code directory (United States). 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/d577fb97-4ce8-4efe-927b-8b8757eb902b GET /v1/drugs/d577fb97-4ce8-4efe-927b-8b8757eb902b?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.
{
"route": "ORAL",
"source": "ndc",
"strength": "50",
"substance": "PRIMIDONE",
"productndc": "55111-477",
"dosage_form": "TABLET",
"dea_schedule": null,
"strength_unit": "mg/1",
"application_number": "ANDA040862",
"marketing_category": "ANDA"
}See everything about primidone.
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.