Japan medicine information and human support for international patients.

Insomnia medicine comparison

Dayvigo vs Quviviq in Japan: what details support needs.

Dayvigo and Quviviq are both insomnia-medicine requests, but they use different ingredients and package dose amounts. A useful request should identify the product, tablet dose amount, tablet count, destination country, and safety context.

Quick comparison

ProductIngredientCommon Japanese package dose amountsSupport detail
DayvigoLemborexant2.5 mg, 5 mg, 10 mgPackage dose amount, tablet count, destination country, current medicines, next-day alertness concerns.
QuviviqDaridorexant hydrochloride25 mg, 50 mgPackage dose amount, tablet count, destination country, current medicines, alcohol or sedative context.

Do not substitute by brand name

These products should not be treated as interchangeable by a website or support chat. Suitability, dosing, and treatment choice require qualified medical review. MedGuide Japan helps identify product information and request details only.

For sleep medicines, send current sleep, anxiety, pain, allergy, psychiatric, sedative, opioid, or alcohol-use context before follow-up.

Contact support with sleep-medicine details