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United Kingdom· GB-APID-37352411000001101

Topamax 25mg tablets

A topiramate product containing topiramate, registered in United Kingdom by CST Pharma Ltd. The same ATC class is registered in 18 of our 19 countries.

ATC N03AX11

Checked against NHS dm+d (United Kingdom) on

Informational only — not a medical device.

SOURCE REGISTER · GBNHS dm+d (United Kingdom)normalisedTopamax 25mg tabletsATCN03AX11REGISTER NO.GB-APID-3735241100000…PACKS LISTED1CHECKEDSeptember 13, 2026

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: United Kingdom, from NHS dm+d (United Kingdom)
  • 11 of them publish a price we can compare per daily dose

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

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

NHS dm+d (United Kingdom)
Active substance
Topiramate
Manufacturer
CST Pharma Ltd
Country
United Kingdom (GB)
ATC code
N03AX11
ATC class
Topiramate
Defined daily dose
0.3 g, O
Reimbursed
Not published by this register
Source register
NHS dm+d (United Kingdom)
Last checked
September 13, 2026

Packs & prices · 1

  • gtin
    5055946805009

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

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.

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.
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
  • Belgium · Topamax, Topiramate Eg
  • 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
  • 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 NHS dm+d (United Kingdom). 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/50ac4f8b-e492-4fbe-b539-e434af8ceb8e
GET /v1/drugs/50ac4f8b-e492-4fbe-b539-e434af8ceb8e?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.

{
  "apid": "37352411000001101",
  "desc": "Topamax 25mg tablets (CST Pharma Ltd)",
  "form": "Oral tablet",
  "vpid": "42137611000001107",
  "source": "dmd",
  "vtm_id": "777808008",
  "strength": "25 mg",
  "substance": "Topiramate",
  "ingredient": "Topiramate",
  "supplier_code": "24059811000001102"
}

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.