Spain· ES:45503
TRIYODOTIRONINA LEO
A medicinal product containing liotironina, registered in Spain by Byk Leo, S.L..
Checked against AEMPS CIMA (Spain) on
Informational only — not a medical device.
The record
At a glance
AEMPS CIMA (Spain)- Active substance
- liotironina
- Manufacturer
- Byk Leo, S.L.
- Country
- Spain (ES)
- ATC code
- —
- Reimbursed
- Not published by this register
- Source register
- AEMPS CIMA (Spain)
- Last checked
- June 3, 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.
Same medicine, other countries
Liotironina in 9 other countries
What each register calls a product with the same active substance — salts and hydrates count as the same.
- United KingdomCytomel 25microgram tabletsImported (United States)
- United StatesCytomelPfizer Laboratories Div Pfizer Inc
- NorwayCytomelPfizer Canada Inc.
- NetherlandsCytomel 12,5 microgram, tablettenACE Pharmaceuticals B.V.
- ItalyLIOTIR*orale 30 contenitori monodose 1 ml 10 mcg/mlIBSA FARMACEUTICI ITALIA Srl
- CanadaCYTOMELPFIZER CANADA ULC
- GermanyThybon 100Sanofi-Aventis Deutschland Gmbh
- SwedenLiopent 5 mikrogram TablettPharmassist Ltd, Contract Reasearch Organisation
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 AEMPS CIMA (Spain). 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/d725b33d-676d-4139-bdf0-f3f59c051c2b GET /v1/drugs/d725b33d-676d-4139-bdf0-f3f59c051c2b?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.
{
"cpresc": "Medicamento Sujeto A Prescripción Médica",
"estado": "{\"aut\":-63162000000,\"rev\":1722593761000}",
"nregistro": "45503",
"substance": "liotironina"
}See everything about liotironina.
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.