Belgium· BE-AMP-SAM184405-00

Topamax 25 mg

A topiramate product containing topiramate, registered in Belgium by Janssen-Cilag. The same ATC class is registered in 18 of our 19 countries.

ATC N03AX11

Checked against FAMHP / AFMPS (Belgium) on September 26, 2026

Informational only — not a medical device.

Compare price across countriesPer daily dose · free account Ask the assistant about topiramateAnswers with sources · free account Check interactionsSeverity free · mechanism on Growth

Where it is registered

Topiramate is registered in 18 of 19 countries.

Countries holding a registration under ATC N03AX11 (topiramate), each read from that country’s own register.

This record: Belgium, from FAMHP / AFMPS (Belgium)
11 of them publish a price we can compare per daily dose

Search topiramate products by name

Topiramate · ATC N03AX11

18 / 19 countries

Belgiumprice
Canada
Czechiaprice
Denmark
Finlandprice
Franceprice
Germany
Icelandprice
Ireland
Italyprice
Japan
Netherlands
Norwayprice
Polandprice
Spainprice
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 topiramate costs, country by country.

Normalised to the WHO defined daily dose (0.3 g), the median price runs from $1.28 in France to $30.56 in United States — a ×24 gap.

5 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

Open the full comparison — free account Drug prices for market access

Topiramate · price per daily dose (0.3 g)

USD · FX 28 Sept 2026

US United States$30.56 (acquisition cost)
CH Switzerland$4.55
IT Italy$2.28
ES Spain$2.09
FR France$1.28

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

FAMHP / AFMPS (Belgium)

Active substance: Topiramate
Manufacturer: Janssen-Cilag
Country: Belgium (BE)
ATC code: N03AX11
ATC class: Topiramate
Defined daily dose: 0.3 g, O
Reimbursed: Not published by this register
Source register: FAMHP / AFMPS (Belgium)
Last checked: September 26, 2026

Packs & prices · 4

2 priced

be_apb
1356625
EUR 15.8
be_apb
2561520
EUR 20.89
be_apb
1557354
be_apb
0761676

Regulatory notes

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

Interactions

279 interactions on record for topiramate.

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

Check topiramate against other medicines How interaction checks work

Topiramate · interactions on record

279 records

43 severe
43 moderate
163 info

Most severe, free to view

DicycloverineA03AA07severe
PropanthelineA03AB05severe
MepenzolateA03AB12severe
TrospiumA03AB20severe

30 more interactions with mechanism and management, from a commercially licensed source.

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

Topiramate in 16 other countries

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

All topiramate products

Authorised across Europe · EMA

The same active substance is authorised in 29 EEA countries. Names it is sold under:

Austria · Topamax, Topilex
Bulgaria · Topilex, Талопам
Cyprus · Topamax, Topiramate Aurobindo
Czechia · Tolepso, Topamax
Germany · Migräne, Topamax
Denmark · Maritop, Topimax
Estonia · Topamax,, Topiramate Elvim
Spain · Acomicil, Topamax
Finland · Topimax, Topiramat Orion
France · Epitomax, Topiramate Arrow
United Kingdom (Northern Ireland) · Topamax, Topiramate
Greece · Jadix, Topamac
Croatia · Topamax
Hungary · Etopro, Topamax
Ireland · Topamax, Topamax Sprinkle
Iceland · Topimax, Topiramat Actavis
Italy · Topamax, Topiramato Aurobindo
Lithuania · Topamax, Topiramat Orion
Luxembourg · Topamax
Latvia · Topamax, Topiramat Orion
Malta · Topamax, Topiramate Accord Healthcare
Netherlands · Topamax, Topamax Sprinkle
Norway · Topimax, Topiramat Sandoz
Poland · Etopro, Oritop
Portugal · Topamax, Topiramato Alter
Romania · Topilex, Topiramat Teva
Sweden · Topimax, Topiramat 1a Farma
Slovenia · Topamax
Slovakia · Talopam, Topimark

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 FAMHP / AFMPS (Belgium). 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/f51e3137-24ad-40b4-806b-32d7ef06d44c
GET /v1/drugs/f51e3137-24ad-40b4-806b-32d7ef06d44c?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": "Film-coated tablet",
  "source": "afmps",
  "status": "AUTHORIZED",
  "name_en": "Topamax 25 mg",
  "name_fr": "Topamax 25 mg",
  "name_nl": "Topamax 25 mg",
  "amp_code": "SAM184405-00",
  "strengths": [
    "25.0000",
    "25.0000",
    "30.8500",
    "30.8500",
    "4.0000",
    "4.0000"
  ],
  "pack_count": 17,
  "substances": [
    "Topiramate",
    "Lactose Monohydrate",
    "Sodium Starch Glycolate",
    "Polysorbate 80"
  ],
  "medicine_type": "ALLOPATHIC",
  "atc_description": "Topiramate",
  "authorisation_numbers": [
    "BE184405",
    "BE398571"
  ]
}

API reference MCP server Plans

See everything about topiramate.

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.

Try it free Open in the console