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Canada· CA-DIN-01919458

CYTOMEL

A liothyronine sodium product containing liothyronine (liothyronine sodium), registered in Canada by PFIZER CANADA ULC. The same ATC class is registered in 5 of our 19 countries.

ATC H03AA02

Checked against Health Canada Drug Product Database (Canada) on

Informational only — not a medical device.

SOURCE REGISTER · CAHealth Canada Drug Product Database (Ca…normalisedCYTOMELATCH03AA02REGISTER NO.CA-DIN-01919458PACKS LISTED0CHECKEDOctober 1, 2026
Compare price across countriesPer daily dose · free accountAsk the assistant about liothyronine (liothyronine sodium)Answers with sources · free accountCheck interactionsSeverity free · mechanism on Growth

Where it is registered

Liothyronine sodium is registered in 5 of 19 countries.

Countries holding a registration under ATC H03AA02 (liothyronine sodium), each read from that country’s own register.

  • This record: Canada, from Health Canada Drug Product Database (Canada)
  • 2 of them publish a price we can compare per daily dose
Search liothyronine sodium products by name

Liothyronine sodium · ATC H03AA02

5 / 19 countries

  • Canada
  • Denmark
  • Netherlands
  • Norwayprice
  • 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 liothyronine sodium costs, country by country.

Normalised to the WHO defined daily dose (60 mcg), 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 accountDrug prices for market access

Liothyronine sodium · price per daily dose (60 mcg)

USD · FX 28 Sept 2026

  • US United States$0.71 (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

Health Canada Drug Product Database (Canada)
Active substance
LIOTHYRONINE (LIOTHYRONINE SODIUM)
Manufacturer
PFIZER CANADA ULC
Country
Canada (CA)
ATC code
H03AA02
ATC class
Liothyronine sodium
Defined daily dose
60 mcg, O
Reimbursed
Not published by this register
Source register
Health Canada Drug Product Database (Canada)
Last checked
October 1, 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

361 interactions on record for liothyronine sodium.

Graded by severity as the source publishes them — 177 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 liothyronine sodium against other medicinesHow interaction checks work

Liothyronine sodium · interactions on record

361 records

  • 177 moderate
  • 21 minor
  • 163 info

Most severe, free to view

  • Magnesium carbonateA02AA01moderate
  • Magnesium oxideA02AA02moderate
  • Magnesium hydroxideA02AA04moderate
  • Kombinationen von AluminiumsalzenA02AB10moderate
  • 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

Liothyronine sodium in 9 other countries

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

All liothyronine sodium products

Authorised across Europe · EMA

The same active substance is authorised in 9 EEA countries. Names it is sold under:

  • Germany · Thybon 100, Thybon 20
  • Denmark · Liopent
  • France · Cynomel, Thybon
  • United Kingdom (Northern Ireland) · Enolio, Iraksin
  • Greece · T3
  • Italy · Liotir
  • Netherlands · Cytomel, Liopent
  • Norway · Liothyronin Orifarm Healthcare
  • Sweden · Liothyronin

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 Health Canada Drug Product Database (Canada). 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/c46e77ff-0d5a-48c0-96d8-da0d2e8497d3
GET /v1/drugs/c46e77ff-0d5a-48c0-96d8-da0d2e8497d3?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.

{
  "din": "01919458",
  "form": "TABLET",
  "class": "Human",
  "routes": [
    "ORAL"
  ],
  "source": "health_canada_dpd",
  "status": "MARKETED",
  "atc_raw": "H03AA02",
  "schedule": [
    "Prescription"
  ],
  "drug_code": "15909",
  "strengths": [
    "5 MCG"
  ],
  "ahfs_class": null,
  "substances": [
    "LIOTHYRONINE (LIOTHYRONINE SODIUM)"
  ],
  "product_categorization": null
}
API referenceMCP serverPlans

See everything about liothyronine sodium.

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