United States· US:82804-257_747c9c87-122c-4983-a6ff-0c49c550e5b3

Ondansetron Hydrochloride

A ondansetron product containing ondansetron hydrochloride, registered in United States by Proficient Rx LP. The same ATC class is registered in 19 of our 19 countries.

ATC A04AA01

Checked against FDA National Drug Code directory (United States) on September 6, 2026

Informational only — not a medical device.

Compare price across countriesPer daily dose · free account Ask the assistant about ondansetron hydrochlorideAnswers with sources · free account Check interactionsSeverity free · mechanism on Growth

Where it is registered

Ondansetron is registered in 19 of 19 countries.

Countries holding a registration under ATC A04AA01 (ondansetron), each read from that country’s own register.

This record: United States, from FDA National Drug Code directory (United States)
11 of them publish a price we can compare per daily dose

Search ondansetron products by name

Ondansetron · ATC A04AA01

19 / 19 countries

Belgiumprice
Canada
Czechiaprice
Denmark
Finlandprice
Franceprice
Germany
Icelandprice
Ireland
Italyprice
Japan
Netherlands
Norwayprice
Polandprice
Spainprice
Sweden
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 ondansetron costs, country by country.

Normalised to the WHO defined daily dose (16 mg), the median price runs from $0.23 in United States to $18.43 in Switzerland — a ×79 gap.

United States: $0.23 per daily dose (median across products in the class)
Public list prices, converted to USD at the rate date shown
US figures are pharmacy acquisition cost (CMS NADAC), not retail

Open the full comparison — free account Drug prices for market access

Ondansetron · price per daily dose (16 mg)

USD · FX 28 Sept 2026

CH Switzerland$18.43
IT Italy$14.68
FR France$5.36
US United States$0.23 (acquisition cost)

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

FDA National Drug Code directory (United States)

Active substance: ONDANSETRON HYDROCHLORIDE
Manufacturer: Proficient Rx LP
Country: United States (US)
ATC code: A04AA01
ATC class: Ondansetron
Defined daily dose: 16 mg, O
Reimbursed: Not published by this register
Source register: FDA National Drug Code directory (United States)
Last checked: September 6, 2026

Packs & prices · 2

ndc11
82804-257-10
ndc11
82804-257-30

Regulatory notes

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

Interactions

841 interactions on record for ondansetron.

Graded by severity as the source publishes them — 139 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 ondansetron against other medicines How interaction checks work

Ondansetron · interactions on record

841 records

139 severe
240 moderate
6 minor
402 info

Most severe, free to view

PapaverineA03AD01severe
CisaprideA03FA02severe
DolasetronA04AA04severe
FenfluramineA08AA02severe

54 more interactions with mechanism and management, from a commercially licensed source.

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

Ondansetron in 16 other countries

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

All ondansetron products

Authorised across Europe · EMA

The same active substance is authorised in 30 EEA countries. Names it is sold under:

Austria · Ondansan, Ondansan I.V.
Belgium · Ondansetron Ab, Ondansetron Accord Healthcare
Bulgaria · Zofran, Зондарон
Cyprus · Ondansetron Accord, Ondansetron Noridem
Czechia · Novetron, Ondansetron Accord
Germany · Cellondan, Ondansetron 1 A Pharma
Denmark · Ondansetron "kalceks", Ondansetron "stada"
Estonia · Ondansetron Accord, Ondansetron Basi
Spain · Ondansetrón Accord, Ondansetron Aristo
Finland · Ondansetron Accord, Ondansetron Accordpharma
France · Ondansetron Accord, Ondansetron Arrow
United Kingdom (Northern Ireland) · Ametron Melt, Emistem
Greece · Cruzafen, Odasen
Croatia · Ondansetron Kalceks, Ondanzetron Kabi
Hungary · Emetron, Ondansetron Kabi
Ireland · Emizof, Ondansetron Accord Healthcare Ireland
Iceland · Cinveron, Ondansetron Bluefish
Italy · Emistop, Ondansetron Accord
Lithuania · Ondansetron Accord, Ondansetron Basi
Luxembourg · Avessaron, Ondansetron B. Braun
Latvia · Emetron, Ondansetron Accord
Malta · Emytron, Ondansetron Accord Healthcare Ireland
Netherlands · Ondansetron Accord, Ondansetron Aspire
Norway · Ondansetron Accord, Ondansetron Accordpharma
Poland · Atossa, Ondansetron Accord
Portugal · Danevon, Emytron
Romania · Ondansetron Aurobindo, Ondansetron Kabi
Sweden · Ondansetron Accord, Ondansetron Accordpharma
Slovenia · Ondansetron Accord, Ondansetron Baxter
Slovakia · Ondansetron Accord, Ondansetron B. Braun

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/e3c8f82d-5292-41ef-b3ef-5e724152ccfd
GET /v1/drugs/e3c8f82d-5292-41ef-b3ef-5e724152ccfd?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": "4",
  "substance": "ONDANSETRON HYDROCHLORIDE",
  "productndc": "82804-257",
  "dosage_form": "TABLET, FILM COATED",
  "dea_schedule": null,
  "strength_unit": "mg/1",
  "application_number": "ANDA078539",
  "marketing_category": "ANDA"
}

API reference MCP server Plans

See everything about ondansetron.

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 free Open in the console