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Belsomra Japan medicine guide
Identify Japanese Belsomra tablets before requesting sleep-medicine support.
Belsomra is the Japanese brand name for suvorexant tablets. Use this page to confirm the Japanese name, ingredient, package dose amount, tablet form, interaction questions, and support details.
Belsomra product identity in Japan
Use this table to avoid confusing Belsomra with other Japanese insomnia medicines. It is a product-identification guide, not a medical recommendation.
| Field | Japanese / English detail | What support should confirm |
|---|---|---|
| Brand name | ベルソムラ錠 / Belsomra Tablets | Confirm the exact Japanese product name from package or listing. |
| Ingredient | スボレキサント / Suvorexant | Confirm it is suvorexant, not another orexin-related sleep medicine. |
| Common package dose amounts | 10 mg, 15 mg, 20 mg | Confirm amount printed on package and tablet count. |
| Class | Orexin receptor antagonist | Compare separately from Z-drug or benzodiazepine sleep medicines. |
| Japan information holder | Manufactured by MSD; sales and information activities transferred to Daiichi Sankyo in Japan | Use current Japanese product source and package evidence when possible. |
Review points before support
Confirm the medicine class
Belsomra is an orexin receptor antagonist. It should be separated from Dayvigo, Quviviq, Vorzzz, and Lunesta when comparing product identity.
Check interaction context
Japanese materials flag strong CYP3A inhibitor concerns. Support should ask about current medicines when reviewing a sleep-medicine request.
Check next-day safety context
Sleep medicines can involve next-day drowsiness, impaired alertness, abnormal sleep behavior, and safety-sensitive work concerns.
Belsomra should not be treated as a simple product-name lookup. Sleep-medicine requests should include current-medicine context, alcohol or sedative use context, destination country, and quantity. This page does not diagnose insomnia or choose a dose.
Before contacting support
Product name
Send Belsomra / ベルソムラ錠 and a package or listing screenshot if available.
Dose amount
Confirm whether the package says 10 mg, 15 mg, or 20 mg.
Quantity
Tablet count, number of boxes, and destination country or region.
Safety context
Other sleep, anxiety, pain, allergy, psychiatric, antifungal, antiviral, or antibiotic medicines if relevant.
Related insomnia medicine pages
Japan insomnia medicine guide
Start here when comparing Dayvigo, Quviviq, Vorzzz, Lunesta, and Belsomra.
Dayvigo vs Quviviq
Compare orexin-related sleep medicines by ingredient, package dose amount, and support checklist.
Ask support with complete Belsomra details.
Send product name, Japanese wording, package dose amount, tablet count, destination country, current-medicine context, and package photo if available.
Contact supportMedGuide Japan provides product-information support only. We do not diagnose, choose doses, replace medical advice, or guarantee availability.