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United States· US:42571-258_482b411c-8d6f-8690-e063-6294a90af95f

Mefenamic acid

A mefenamic acid product containing mefenamic acid, registered in United States by Micro Labs Limited. The same ATC class is registered in 7 of our 19 countries.

ATC M01AG01US label

Checked against FDA National Drug Code directory (United States) on

Informational only — not a medical device.

SOURCE REGISTER · USFDA National Drug Code directory (Unite…normalisedMefenamic acidATCM01AG01REGISTER NO.US:42571-258_482b411c…PACKS LISTED4CHECKEDSeptember 27, 2026
Compare price across countriesPer daily dose · free accountAsk the assistant about mefenamic acidAnswers with sources · free accountCheck interactionsSeverity free · mechanism on Growth

Where it is registered

Mefenamic acid is registered in 7 of 19 countries.

Countries holding a registration under ATC M01AG01 (mefenamic acid), each read from that country’s own register.

  • This record: United States, from FDA National Drug Code directory (United States)
  • 3 of them publish a price we can compare per daily dose
Search mefenamic acid products by name

Mefenamic acid · ATC M01AG01

7 / 19 countries

  • Canada
  • Finlandprice
  • Ireland
  • Japan
  • 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 mefenamic acid costs, country by country.

Normalised to the WHO defined daily dose (1 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
Open the full comparison — free accountDrug prices for market access

Mefenamic acid · price per daily dose (1 g)

USD · FX 28 Sept 2026

  • CH Switzerland$1.48
Median listed price per WHO defined daily dose, in each market that publishes a price. Open the full comparison

The record

At a glance

FDA National Drug Code directory (United States)
Active substance
MEFENAMIC ACID
Manufacturer
Micro Labs Limited
Country
United States (US)
ATC code
M01AG01
ATC class
Mefenamic acid
Defined daily dose
1 g, O
Reimbursed
Not published by this register
Source register
FDA National Drug Code directory (United States)
Last checked
September 27, 2026

Packs & prices · 4

  • ndc11
    42571-258-01
  • ndc11
    42571-258-30
  • ndc11
    4257125801
    100 CAPSULE in 1 BOTTLE (42571-258-01)
  • ndc11
    4257125830
    30 CAPSULE in 1 BOTTLE (42571-258-30)

Regulatory notes

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

Interactions

335 interactions on record for mefenamic acid.

Graded by severity as the source publishes them — 57 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 mefenamic acid against other medicinesHow interaction checks work

Mefenamic acid · interactions on record

335 records

  • 57 severe
  • 156 moderate
  • 16 minor
  • 24 info

Most severe, free to view

  • DicoumarolB01AA01severe
  • WarfarinB01AA03severe
  • DalteparinB01AB04severe
  • EnoxaparinB01AB05severe

82 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

Mefenamic acid in 7 other countries

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

All mefenamic acid products

Authorised across Europe · EMA

The same active substance is authorised in 10 EEA countries. Names it is sold under:

  • Austria · Mefenam, Parkakut
  • Cyprus · Aidol, Alfoxan
  • Spain · Coslan
  • France · Ponstyl
  • United Kingdom (Northern Ireland) · Contraflam, Mefenamic Acid
  • Greece · Acinic, Aidol
  • Hungary · Ponmel
  • Ireland · Mefac, Ponstan
  • Malta · Alfoxan, Mefac
  • Romania · Vidan

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/4f98f94a-1102-486e-bc48-f595c457c108
GET /v1/drugs/4f98f94a-1102-486e-bc48-f595c457c108?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": "250",
  "substance": "MEFENAMIC ACID",
  "productndc": "42571-258",
  "dosage_form": "CAPSULE",
  "dea_schedule": null,
  "strength_unit": "mg/1",
  "application_number": "ANDA090562",
  "marketing_category": "ANDA"
}
API referenceMCP serverPlans

See everything about mefenamic 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.

Try it freeOpen in the console