Japan medicine information and human support for international patients.

Dayvigo Japan information page

Dayvigo in Japan: lemborexant tablets, strengths, and sleep-medicine request checks.

Dayvigo is a Japanese prescription insomnia medicine containing lemborexant. This page helps international visitors identify the Japanese product wording, strengths, tablet format, safety context, and the practical details support needs before follow-up.

Contact support with product details

What “Dayvigo in Japan” means

Here, “Japan” refers to the Japanese prescription-medicine information environment: Japanese brand wording, tablet strengths, manufacturer context, package information, safety context, and the confirmation points support needs before any manual follow-up.

This page does not decide whether Dayvigo is appropriate for a person. Insomnia evaluation, treatment selection, and dose decisions must be handled by a qualified healthcare professional.

Japanese name and product format

デエビゴ

The Japanese brand name for Dayvigo.

Tablet. A request should include strength and tablet count.

レンボレキサント

Lemborexant, the active ingredient in Dayvigo tablets.

Strengths to confirm

Japanese PMDA information lists Dayvigo tablets in three strengths. A request should identify the exact strength and quantity.

StrengthHow to write it in a requestWhat support checks
2.5 mgDayvigo tablets 2.5 mg / デエビゴ錠2.5mgUse context, tablet count, destination-country rules, and interaction review.
5 mgDayvigo tablets 5 mg / デエビゴ錠5mgTypical use context, tablet count, safety questions, and import-route feasibility.
10 mgDayvigo tablets 10 mg / デエビゴ錠10mgHigher-strength context, current-medicine review, interaction risks, and local restrictions.

Medical information summary

Japanese official information identifies Dayvigo as lemborexant, an orexin receptor antagonist used for insomnia. Japanese prescribing information describes oral use before bedtime under medical direction.

MedGuide Japan does not provide diagnosis, insomnia treatment advice, or dosing instructions. Use prescription medicines only under qualified medical supervision and follow the rules of the destination country.

Why sleep medicines need careful handling

Sleep medicines can be sensitive from a medical and compliance perspective. A support request should include current medicines, destination country, quantity, and any background that may affect suitability or local rules.

Safety points to mention before requesting

Tell your physician and support staff if any of the following are relevant:

  • Pregnancy, breastfeeding, or planning pregnancy.
  • History of narcolepsy, abnormal sleep behavior, depression, or suicidal thoughts.
  • Severe liver impairment, severe respiratory disease, or sleep apnea concerns.
  • Use of alcohol, sedatives, benzodiazepines, opioids, antihistamines, or other sleep medicines.
  • Use of medicines that may affect CYP3A metabolism, including some antifungals, antibiotics, or calcium-channel blockers.
  • Need to drive, operate machinery, or perform safety-sensitive work after taking sleep medicine.

Request checklist

  • Exact product name: Dayvigo / デエビゴ錠.
  • Strength: 2.5 mg, 5 mg, or 10 mg.
  • Quantity or tablet count.
  • Destination country or region.
  • Sleep/anxiety/pain/allergy/psychiatric medicines or alcohol-use context.
  • Whether you are currently taking other sleep, anxiety, pain, allergy, or psychiatric medicines.
  • Any product photo, clinic instruction, or Japanese listing you want support to check.
  • Any local import rule or controlled-substance concern you want reviewed before follow-up.

Dayvigo Japan FAQ

Is Dayvigo the same as lemborexant?

Dayvigo is the brand name. Lemborexant is the active ingredient.

Is Dayvigo similar to Quviviq?

Both are orexin-related insomnia medicines, but the ingredients and strengths differ. Do not substitute by brand name alone.

What strengths should I mention?

State 2.5 mg, 5 mg, or 10 mg, plus tablet count and destination country.

Can support choose between sleep medicines?

No. Treatment choice requires a qualified healthcare professional. Support can help identify product and request details.

Why do other medicines matter?

Sleep medicines can interact with alcohol, sedatives, opioids, allergy medicines, psychiatric medicines, and other sleep medicines.

What should I send first?

Send strength, tablet count, destination country, current-medicine context, and safety-review context.

Related insomnia pages

Insomnia comparison guide

Compare Dayvigo, Quviviq, Vorzzz, and Lunesta in Japan.

Quviviq Japan

Daridorexant page for visitors comparing orexin-related insomnia medicines.

Contact checklist

Send strength, tablet count, destination country, current-medicine context, and safety context.

Ask support with complete Dayvigo details.

Use the contact page to send the Dayvigo strength, tablet count, destination country, current-medicine context, and safety-review context.

Contact support

MedGuide Japan provides product-information support only. We do not diagnose, choose doses, replace medical advice, or guarantee availability.