United States· US:65649-303_b2e9bb84-e97e-4e7e-8a23-425418b4374d

XIFAXAN

A rifaximin product containing rifaximin, registered in United States by Salix Pharmaceuticals, Inc.. The same ATC class is registered in 14 of our 19 countries.

ATC A07AA11US label

Checked against FDA National Drug Code directory (United States) on September 27, 2026

Informational only — not a medical device.

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

Where it is registered

Rifaximin is registered in 14 of 19 countries.

Countries holding a registration under ATC A07AA11 (rifaximin), each read from that country’s own register.

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

Search rifaximin products by name

Rifaximin · ATC A07AA11

14 / 19 countries

Belgiumprice
Canada
Czechiaprice
Denmark
Finlandprice
Germany
Ireland
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 rifaximin costs, country by country.

Normalised to the WHO defined daily dose (0.6 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 account Drug prices for market access

Rifaximin · price per daily dose (0.6 g)

USD · FX 28 Sept 2026

CH Switzerland$7.02

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: RIFAXIMIN
Manufacturer: Salix Pharmaceuticals, Inc.
Country: United States (US)
ATC code: A07AA11
ATC class: Rifaximin
Defined daily dose: 0.6 g, O
Reimbursed: Not published by this register
Source register: FDA National Drug Code directory (United States)
Last checked: September 27, 2026

Packs & prices · 8

ndc11
6564930301
3 CARTON in 1 TRAY (65649-303-01) / 1 BLISTER PACK in 1 CARTON / 2 TABLET in 1 BLISTER PACK
ndc11
6564930302
60 TABLET in 1 BOTTLE (65649-303-02)
ndc11
6564930303
6 BLISTER PACK in 1 CARTON (65649-303-03) / 10 TABLET in 1 BLISTER PACK
ndc11
6564930305
3 CARTON in 1 TRAY (65649-303-05) / 1 BLISTER PACK in 1 CARTON / 3 TABLET in 1 BLISTER PACK
ndc11
65649-303-01
ndc11
65649-303-02
ndc11
65649-303-03
ndc11
65649-303-05

Regulatory notes

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

Interactions

88 interactions on record for rifaximin.

Graded by severity as the source publishes them — 63 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 rifaximin against other medicines How interaction checks work

Rifaximin · interactions on record

88 records

63 moderate
25 info

Most severe, free to view

RolapitantA04AD14moderate
Sodium picosulfateA06AB08moderate
EliglustatA16AX10moderate
LonafarnibA16AX20moderate

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

Rifaximin in 15 other countries

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

All rifaximin products

Authorised across Europe · EMA

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

Austria · Colidimin, Refero
Belgium · Targaxan, Tixteller
Czechia · Normix
Germany · Rifaxan, Tixteller
Denmark · Faxinorm, Xifaxan
Spain · Spiraxin, Tixtar
Finland · Targaxan, Xifaxan
France · Tixtar
United Kingdom (Northern Ireland) · Normicron, Rifaximin
Greece · Rifacol
Hungary · Normix, Refero
Ireland · Rifaximin Alfasigma, Targaxan
Italy · Flonorm, Normix
Luxembourg · Refero, Targaxan
Netherlands · Tixteller, Xifaxan
Norway · Xifaxan
Poland · Tixteller, Xifaxan
Portugal · Refero, Xifaxan
Romania · Normix, Tixteller
Sweden · Xifaxan
Slovakia · Normix, Refero

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/11cb76cf-f8c9-40f4-bd0d-aa6cd95672f3
GET /v1/drugs/11cb76cf-f8c9-40f4-bd0d-aa6cd95672f3?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": "550",
  "substance": "RIFAXIMIN",
  "productndc": "65649-303",
  "dosage_form": "TABLET",
  "dea_schedule": null,
  "strength_unit": "mg/1",
  "application_number": "NDA021361",
  "marketing_category": "NDA"
}

API reference MCP server Plans

See everything about rifaximin.

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