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Japan· JP-3136403A1140

メコバラミン

A mecobalamin product containing メコバラミン, registered in Japan by エーザイ, on the national reimbursement list. The same ATC class is registered in 3 of our 19 countries.

On Japan’s NHI price listATC B03BA05

Checked against MHLW / PMDA (Japan) on

Informational only — not a medical device.

SOURCE REGISTER · JPMHLW / PMDA (Japan)normalisedメコバラミンATCB03BA05REGISTER NO.JP-3136403A1140PACKS LISTED0CHECKEDSeptember 25, 2026
Compare price across countriesPer daily dose · free accountAsk the assistant about メコバラミンAnswers with sources · free accountCheck interactionsSeverity free · mechanism on Growth

Where it is registered

Mecobalamin is registered in 3 of 19 countries.

Countries holding a registration under ATC B03BA05 (mecobalamin), each read from that country’s own register.

  • This record: Japan, from MHLW / PMDA (Japan)
  • 1 of them publish a price we can compare per daily dose
Search mecobalamin products by name

Mecobalamin · ATC B03BA05

3 / 19 countries

  • Japan
  • Norwayprice
  • United Kingdom
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.

The record

At a glance

MHLW / PMDA (Japan)
Active substance
メコバラミン
Manufacturer
エーザイ
Country
Japan (JP)
ATC code
B03BA05
ATC class
Mecobalamin
Defined daily dose
1.5 mg, O
Reimbursed
Yes
Source register
MHLW / PMDA (Japan)
Last checked
September 25, 2026

Packs & prices · 0

No packs listed by the register for this record.

Regulatory notes

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

Interactions

12 interactions on record for mecobalamin.

Graded by severity as the source publishes them — 2 moderate. 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 mecobalamin against other medicinesHow interaction checks work

Mecobalamin · interactions on record

12 records

  • 2 moderate
  • 10 minor

Most severe, free to view

  • ChloramphenicolJ01BA01moderate
  • Arsenic trioxideL01XX27moderate
  • 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 class

Other records under B03BA05

Mecobalamin, as other registers publish it.

All mecobalamin products

Sourced from a public register and reproduced with attribution. Drug Database is not affiliated with, endorsed by, or a partner of MHLW / PMDA (Japan). 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/aacfe928-84f0-4c32-8e32-e09606f01383
GET /v1/drugs/aacfe928-84f0-4c32-8e32-e09606f01383?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.

{
  "spec": "０．５ｍｇ１管",
  "marks": null,
  "source": "mhlw",
  "remarks": null,
  "yj_code": "3136403A1140",
  "category": "注射薬",
  "price_yen": 92,
  "generic_name": "メコバラミン",
  "product_name_jp": null,
  "therapeutic_class": "3136",
  "transitional_expiry": null
}
API referenceMCP serverPlans

See everything about mecobalamin.

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