United States· US:72189-624_35bcaee1-0020-82da-e063-6394a90a4a0f
Zonisamide
A zonisamide product containing zonisamide, registered in United States by Direct_Rx. The same ATC class is registered in 18 of our 19 countries.
Checked against FDA National Drug Code directory (United States) on
Informational only — not a medical device.
Where it is registered
Zonisamide is registered in 18 of 19 countries.
Countries holding a registration under ATC N03AX15 (zonisamide), each read from that country’s own register.
- This record: United States, from FDA National Drug Code directory (United States)
- 11 of them publish a price we can compare per daily dose
Zonisamide · ATC N03AX15
18 / 19 countries
- Belgiumprice
- Czechiaprice
- Denmark
- Finlandprice
- Franceprice
- Germany
- Icelandprice
- Ireland
- Italyprice
- Japan
- Netherlands
- Norwayprice
- Polandprice
- Spainprice
- Sweden
- Switzerlandprice
- United Kingdom
- United Statesprice
Price per daily dose
What a daily dose of zonisamide costs, country by country.
Normalised to the WHO defined daily dose (0.4 g), the median price runs from $0.78 in United States to $10.28 in Switzerland — a ×13 gap.
- United States: $0.78 per daily dose (median across products in the class)
- Public list prices, converted to USD at the rate date shown
- US figures are pharmacy acquisition cost (CMS NADAC), not retail
Zonisamide · price per daily dose (0.4 g)
USD · FX 28 Sept 2026
- CH Switzerland$10.28
- IT Italy$2.90
- FR France$1.20
- US United States$0.78 (acquisition cost)
The record
At a glance
FDA National Drug Code directory (United States)- Active substance
- ZONISAMIDE
- Manufacturer
- Direct_Rx
- Country
- United States (US)
- ATC code
- N03AX15
- ATC class
- Zonisamide
- Defined daily dose
- 0.4 g, O
- Reimbursed
- Not published by this register
- Source register
- FDA National Drug Code directory (United States)
- Last checked
- September 27, 2026
Packs & prices · 2
- ndc117218962472120 CAPSULE in 1 BOTTLE (72189-624-72)
- ndc1172189-624-72
Regulatory notes
No shortage, Orange Book or US label notes for this record.
Interactions
239 interactions on record for zonisamide.
Graded by severity as the source publishes them — 43 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
Zonisamide · interactions on record
239 records
- 43 severe
- 105 moderate
- 66 info
Most severe, free to view
- DicycloverineA03AA07severe
- PropanthelineA03AB05severe
- MepenzolateA03AB12severe
- TrospiumA03AB20severe
25 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
Zonisamide in 15 other countries
What each register calls a product with the same active substance — salts and hydrates count as the same.
- United KingdomZonegran 25mg capsulesDowelhurst Ltd
- SpainNYZOL 25 MG CAPSULAS DURAS EFGNeuraxpharm Spain S.L.
- CzechiaERSITTINEgis Pharmaceuticals PLC, Budapešť
- FinlandZonegranParanova Oy
- FranceZONEGRAN 25 mg, géluleAMDIPHARM
- NetherlandsZonegran 25 mg, capsules hardAmdipharm Limited
- IrelandZonegran 25 mg hard capsulesAmdipharm Limited
- SwitzerlandZonegran 25 mg, KapselnEurimPharm Swiss AG
Authorised across Europe · EMA
The same active substance is authorised in 25 EEA countries. Names it is sold under:
- Austria · Zonisamid Aristo
- Bulgaria · Зокап
- Czechia · Ersittin, Zonisamid Sandoz
- Germany · Zonisamid 1 A Pharma, Zonisamid Accord
- Denmark · Zonisamid Desitin, Zonisamid Glenmark
- Estonia · Zonisamide Sandoz
- Spain · Nyzol, Zonesme
- Finland · Zonisamide Desitin
- France · Zonisamide Arrow, Zonisamide Neuraxpharm
- United Kingdom (Northern Ireland) · Desizon, Zonisamide Accord
- Croatia · Zocap
- Ireland · Zonisamide Desitin, Zonisamide Rowex
- Iceland · Zonegran, Zonisamide Viatris
- Italy · Zonisamide Doc Generici, Zonisamide Sandoz
- Liechtenstein · Zonegran, Zonisamide Viatris
- Lithuania · Zonisamide Sandoz
- Malta · Zonisamide Doc Generici
- Netherlands · Zonisamide Indoco, Zonisamide Sandoz
- Norway · Zonegran, Zonisamid Desitin
- Poland · Zonisamidum Neuraxpharm
- Portugal · Zonisamida Aristo, Zonisamida Generis
- Romania · Zocap, Zonisamidă Desitin
- Sweden · Zonisamide 1a Farma
- Slovenia · Zocap, Zonisamid Sandoz
- Slovakia · Zonisamide Neuraxpharm
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/f443f514-807e-4d5c-b0ee-bec882523bfa GET /v1/drugs/f443f514-807e-4d5c-b0ee-bec882523bfa?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": "25",
"substance": "ZONISAMIDE",
"productndc": "72189-624",
"dosage_form": "CAPSULE",
"dea_schedule": null,
"strength_unit": "mg/1",
"application_number": "ANDA077625",
"marketing_category": "ANDA"
}See everything about zonisamide.
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.