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Japan· JP-6222001F2014

イソニアジド

A isoniazid product containing イソニアジド, registered in Japan, on the national reimbursement list. The same ATC class is registered in 15 of our 19 countries.

On Japan’s NHI price listATC J04AC01

Checked against MHLW / PMDA (Japan) on

Informational only — not a medical device.

SOURCE REGISTER · JPMHLW / PMDA (Japan)normalisedイソニアジドATCJ04AC01REGISTER NO.JP-6222001F2014PACKS LISTED0CHECKEDSeptember 25, 2026
Compare price across countriesPer daily dose · free accountAsk the assistant about イソニアジドAnswers with sources · free accountCheck interactionsSeverity free · mechanism on Growth

Where it is registered

Isoniazid is registered in 15 of 19 countries.

Countries holding a registration under ATC J04AC01 (isoniazid), each read from that country’s own register.

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

Isoniazid · ATC J04AC01

15 / 19 countries

  • Belgiumprice
  • Canada
  • Czechiaprice
  • Denmark
  • Finlandprice
  • Franceprice
  • Germany
  • Icelandprice
  • Japan
  • Netherlands
  • Norwayprice
  • Polandprice
  • 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 isoniazid costs, country by country.

Normalised to the WHO defined daily dose (0.3 g), the median price runs from $1.15 in France to $4.87 in Switzerland — a ×4.3 gap.

  • 2 markets 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

Isoniazid · price per daily dose (0.3 g)

USD · FX 28 Sept 2026

  • CH Switzerland$4.87
  • FR France$1.15
Median listed price per WHO defined daily dose, in each market that publishes a price. Open the full comparison

The record

At a glance

MHLW / PMDA (Japan)
Active substance
イソニアジド
Manufacturer
—
Country
Japan (JP)
ATC code
J04AC01
ATC class
Isoniazid
Defined daily dose
0.3 g, 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

335 interactions on record for isoniazid.

Graded by severity as the source publishes them — 5 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 isoniazid against other medicinesHow interaction checks work

Isoniazid · interactions on record

335 records

  • 5 severe
  • 233 moderate
  • 26 minor
  • 67 info

Most severe, free to view

  • AlosetronA03AE01moderate
  • Sodium picosulfateA06AB08moderate
  • BudesonideA07EA06moderate
  • LiraglutidA08AX02moderate

4 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

Isoniazid in 16 other countries

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

All isoniazid products

Authorised across Europe · EMA

The same active substance is authorised in 21 EEA countries. Names it is sold under:

  • Austria · Inh Agepha
  • Belgium · Nicotibine
  • Bulgaria · Изонид, Изонид Дансон-Бг
  • Czechia · Nidrazid
  • Germany · Isozid, Isozid N
  • Denmark · Isoniazid Oba
  • Spain · Cemidon
  • Finland · Tubilysin
  • France · Rimifon
  • United Kingdom (Northern Ireland) · Isoniazid Dawa, Isoniazid Macleods Pharma Uk
  • Greece · Dianicotyl
  • Hungary · Isonicid
  • Iceland · Tibinide
  • Italy · Nicozid
  • Luxembourg · Nicotibine
  • Netherlands · Isoniazide Costero
  • Poland · Nidrazid
  • Portugal · Isoniazida Labesfal
  • Romania · Izoniazidă Arena, Izoniazida Atb
  • Sweden · Tibinide
  • Slovakia · Nidrazid

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 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/b84427be-123f-4795-83d1-ccdafa0c0cbc
GET /v1/drugs/b84427be-123f-4795-83d1-ccdafa0c0cbc?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": "５０ｍｇ１錠",
  "marks": "局",
  "source": "mhlw",
  "remarks": null,
  "yj_code": "6222001F2014",
  "category": "内用薬",
  "price_yen": null,
  "generic_name": "イソニアジド",
  "product_name_jp": null,
  "therapeutic_class": "6222",
  "transitional_expiry": null
}
API referenceMCP serverPlans

See everything about isoniazid.

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