Medicine guide

DAYVIGO

As listed in the register: DAYVIGO

5 mg · tablet

  • Prescription only
  • Pain, sleep, mood, epilepsy and the brain
Active substance
Lemborexant
Made by
Eisai Limited

Quoted from the official source. Not yet reviewed by Mediclarum — the leaflet in your pack is authoritative.

What it is for

Medicine groupPain, sleep, mood, epilepsy and the brainN05CJ02

Mediclarum has not yet retrieved and stored the official label for this product, so none of its text is shown here. Open the official leaflet

How it works

From the US prescribing label for the same active substance (DAYVIGO). It describes the substance, not this exact product.

The mechanism of action of lemborexant in the treatment of insomnia is presumed to be through antagonism of orexin receptors.

The orexin neuropeptide signaling system plays a role in wakefulness.

Peak level after1–3 h
Half-life17–19 h
Mostly cleared after≈ 4 daysfive half-lives — our arithmetic
PeakHalf gone4 days0
The shape is a standard model drawn from the two times above, not a measurement. How fast a medicine acts and wears off also depends on the dose, the form and the person.
How the body breaks it down

Lemborexant is primarily metabolized by CYP3A4, and to a lesser extent by CYP3A5.

With food

Effect of Food Lemborexant C max decreased by 23%, AUC 0-inf increased by 18%, and t max was delayed by 2 hours following administration of a high-fat and high-calorie meal (containing approximately 150, 250, and 500 to 600 calories from protein, carbohydrate, and fat, respectively).

Quoted from the prescribing label, sections “Mechanism of Action” and “Pharmacokinetics”. DailyMed · 2025-02-24

Safety of the active substance

From the US prescribing label for the same active substance (DAYVIGO). It describes the substance, not this exact product.

Must not be used by
  • DAYVIGO is contraindicated in patients with narcolepsy.
Most common side effects

The most common adverse reactions leading to discontinuation of DAYVIGO were somnolence (1.0% for 10 mg, 0.7% for 5 mg, and 0.4% for placebo) and nightmares (0.3% for 10 mg, 0.3% for 5 mg, and 0% for placebo).

Quoted from the US prescribing label for the same active substance. Your own pack’s leaflet is the authority for your product. DailyMed

Same active substance, strength and form in other countries

Matched on active substance, strength and kind of form only. This is not a statement that the products are equivalent or interchangeable: other ingredients, release and approved uses can differ — ask a pharmacist before swapping.

Medicine passport: one printable page to show a pharmacist abroad

Details

Made byEisai Limited
Active substanceLemborexant
Used inPain, sleep, mood, epilepsy and the brain
Strength5 mg
Formtablet
ClassificationN05CJ02 · Pain, sleep, mood, epilepsy and the brain
Routeoral
Dispensing (as stated by the register)PRESCRIPTION
StatusMarketed
MarketedYes, according to the register
DIN02507366
DPD drug code99675

Source: Drug Product Database · 2026-09-30 · not reviewed by a clinician

Contains information licensed under the Open Government Licence – Canada. Reuse terms: Open Government Licence – Canada.

Other strengths and forms

2 products are sold under this name. Grouped by form; a number on a strength means several companies make it.

  • tablet2 products

Same active substance

These contain the same substance. That does not mean one can replace another — ask a pharmacist.