Japan· JP-2149039F1074
ロサルタンカリウム
A losartan product containing ロサルタンカリウム, registered in Japan by 大原薬品工業, on the national reimbursement list. The same ATC class is registered in 19 of our 19 countries.
Checked against MHLW / PMDA (Japan) on
Informational only — not a medical device.
Where it is registered
Losartan is registered in 19 of 19 countries.
Countries holding a registration under ATC C09CA01 (losartan), each read from that country’s own register.
- This record: Japan, from MHLW / PMDA (Japan)
- 11 of them publish a price we can compare per daily dose
Losartan · ATC C09CA01
19 / 19 countries
- Belgiumprice
- Canada
- Czechiaprice
- Denmark
- Finlandprice
- Franceprice
- Germany
- Icelandprice
- Ireland
- Italyprice
- Japan
- Netherlands
- Norwayprice
- Polandprice
- Spainprice
- Sweden
- Switzerlandprice
- United Kingdom
- United Statesprice
Price per daily dose
What a daily dose of losartan costs, country by country.
Normalised to the WHO defined daily dose (50 mg), the median price runs from $0.033 in United States to $0.61 in Switzerland — a ×19 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
Losartan · price per daily dose (50 mg)
USD · FX 28 Sept 2026
- CH Switzerland$0.61
- IT Italy$0.30
- ES Spain$0.17
- FR France$0.10
- US United States$0.033 (acquisition cost)
The record
At a glance
MHLW / PMDA (Japan)- Active substance
- ロサルタンカリウム
- Manufacturer
- 大原薬品工業
- Country
- Japan (JP)
- ATC code
- C09CA01
- ATC class
- Losartan
- Defined daily dose
- 50 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
431 interactions on record for losartan.
Graded by severity as the source publishes them — 7 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
Losartan · interactions on record
431 records
- 7 severe
- 139 moderate
- 2 minor
- 198 info
Most severe, free to view
- Potassium chlorideA12BA01severe
- Potassium citrateA12BA02severe
- Potassium gluconateA12BA05severe
- Potassium chlorideB05XA01severe
85 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.
Same class
Other records under C09CA01
Losartan, as other registers publish it.
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/abc64d2d-bcad-4d43-ae66-6c59ce8843d0 GET /v1/drugs/abc64d2d-bcad-4d43-ae66-6c59ce8843d0?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": "２５ｍｇ１錠",
"marks": "局",
"source": "mhlw",
"remarks": null,
"yj_code": "2149039F1074",
"category": "内用薬",
"price_yen": 10.4,
"generic_name": "ロサルタンカリウム",
"product_name_jp": null,
"therapeutic_class": "2149",
"transitional_expiry": null
}See everything about losartan.
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.