Canada· CA-DIN-02398257
SILENOR
A doxepin product containing doxepin (doxepin hydrochloride), registered in Canada by ENDO OPERATIONS LTD.. The same ATC class is registered in 9 of our 19 countries.
Checked against Health Canada Drug Product Database (Canada) on
Informational only — not a medical device.
Where it is registered
Doxepin is registered in 9 of 19 countries.
Countries holding a registration under ATC N06AA12 (doxepin), each read from that country’s own register.
- This record: Canada, from Health Canada Drug Product Database (Canada)
- 6 of them publish a price we can compare per daily dose
Doxepin · ATC N06AA12
9 / 19 countries
- Belgiumprice
- Canada
- Finlandprice
- Germany
- Norwayprice
- Polandprice
- Switzerlandprice
- United Kingdom
- United Statesprice
The record
At a glance
Health Canada Drug Product Database (Canada)- Active substance
- DOXEPIN (DOXEPIN HYDROCHLORIDE)
- Manufacturer
- ENDO OPERATIONS LTD.
- Country
- Canada (CA)
- ATC code
- N06AA12
- ATC class
- Doxepin
- Defined daily dose
- 0.1 g, 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
932 interactions on record for doxepin.
Graded by severity as the source publishes them — 148 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
Doxepin · interactions on record
932 records
- 148 severe
- 527 moderate
- 32 minor
- 148 info
Most severe, free to view
- PapaverineA03AD01severe
- CisaprideA03FA02severe
- OndansetronA04AA01severe
- GranisetronA04AA02severe
77 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 medicine, other countries
Doxepin in 7 other countries
What each register calls a product with the same active substance — salts and hydrates count as the same.
- United KingdomDoxepin 10mg capsulesSpecial Order
- SwitzerlandDoxepin Rivopharm 25 mg, capsule rigideRivopharm SA
- GermanyDoxepin AlAliud Pharma Gmbh
- PolandDoxepin TevaTeva Pharmaceuticals Polska Sp. z o.o.
- FranceQUITAXON 10 mg, comprimé pelliculé sécablePROVEPHARM
- NorwaySinequanOrifarm AS
- SpainSINEQUAN 25 MG CÁPSULAS DURASFarmasierra Laboratorios S.L.
Authorised across Europe · EMA
The same active substance is authorised in 3 EEA countries. Names it is sold under:
- Germany · Doxepin Al, Doxepin Ratiopharm
- Spain · Sinequan
- United Kingdom (Northern Ireland) · Doxepin, Doxepin Marlborough Pharmaceuticals Ltd
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/7d7e5d31-35fc-4c2f-8383-d0b1d06a2cc6 GET /v1/drugs/7d7e5d31-35fc-4c2f-8383-d0b1d06a2cc6?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": "02398257",
"form": "TABLET",
"class": "Human",
"routes": [
"ORAL"
],
"source": "health_canada_dpd",
"status": "MARKETED",
"atc_raw": "N06AA12",
"schedule": [
"Prescription"
],
"drug_code": "88319",
"strengths": [
"3 MG"
],
"ahfs_class": null,
"substances": [
"DOXEPIN (DOXEPIN HYDROCHLORIDE)"
],
"product_categorization": null
}See everything about doxepin.
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.