United States· US:43068-304_3248eef5-6bad-4844-a6f9-2f5fddd39c8d

Hetlioz

A tasimelteon product containing tasimelteon, registered in United States by Vanda Pharmaceuticals Inc.. The same ATC class is registered in 9 of our 19 countries.

ATC N05CH03

Checked against FDA National Drug Code directory (United States) on

Informational only — not a medical device.

SOURCE REGISTER · USFDA National Drug Code directory (Unite…normalisedHetliozATCN05CH03REGISTER NO.US:43068-304_3248eef5…PACKS LISTED4CHECKEDAugust 2, 2026

Where it is registered

Tasimelteon is registered in 9 of 19 countries.

Countries holding a registration under ATC N05CH03 (tasimelteon), each read from that country’s own register.

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

Tasimelteon · ATC N05CH03

9 / 19 countries

  • Belgiumprice
  • Czechiaprice
  • Denmark
  • Finlandprice
  • Icelandprice
  • Ireland
  • Netherlands
  • Polandprice
  • 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.

The record

At a glance

FDA National Drug Code directory (United States)
Active substance
TASIMELTEON
Manufacturer
Vanda Pharmaceuticals Inc.
Country
United States (US)
ATC code
N05CH03
ATC class
Tasimelteon
Defined daily dose
20 mg, O
Reimbursed
Not published by this register
Source register
FDA National Drug Code directory (United States)
Last checked
August 2, 2026

Packs & prices · 4

  • ndc11
    4306830402
    1 BOTTLE in 1 CARTON (43068-304-02) / 48 mL in 1 BOTTLE
  • ndc11
    4306830406
    1 BOTTLE in 1 CARTON (43068-304-06) / 158 mL in 1 BOTTLE
  • ndc11
    43068-304-02
  • ndc11
    43068-304-06

Regulatory notes

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

Interactions

132 interactions on record for tasimelteon.

Graded by severity as the source publishes them — 7 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

Tasimelteon · interactions on record

132 records

  • 7 severe
  • 125 moderate

Most severe, free to view

  • MitotaneL01XX23severe
  • EnzalutamideL02BB04severe
  • ApalutamideL02BB05severe
  • MorphineN02AA01severe
  • 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

Tasimelteon in 8 other countries

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

All tasimelteon products

Authorised across Europe · EMA

The same active substance is authorised in 3 EEA countries. Names it is sold under:

  • Iceland · Hetlioz
  • Liechtenstein · Hetlioz
  • Norway · Hetlioz

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/e892a487-9a24-4d3a-9211-b6c28da1fcf5
GET /v1/drugs/e892a487-9a24-4d3a-9211-b6c28da1fcf5?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": "TASIMELTEON",
  "productndc": "43068-304",
  "dosage_form": "SUSPENSION",
  "dea_schedule": null,
  "strength_unit": "mg/mL",
  "application_number": "NDA214517",
  "marketing_category": "NDA"
}

See everything about tasimelteon.

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.