Home / Phenobarbital / Japan
JP ATC N03AA02 · updated 2 Nov 2026
Phenobarbital shortage in Japan
Is there a Phenobarbital shortage in Japan?
Yes. As of 2 Nov 2026, 1 Phenobarbital product is reported short in Japan, the first since 31 Jul 2026. No return date has been given. Main reason: manufacturing problem.
Also short in United States, Belgium, Australia. All countries.
Affected products in Japan
| Country | Product | Company | Since | Expected back | Reason |
|---|---|---|---|---|---|
| JP | フェノバルビタール散10%「ホエイ」 | Viatris | 31 Jul 2026 | not given | Manufacturing problem |
Source
MHLW (Ministry of Health, Labour and Welfare), supply status of prescription medicines. Official list. Prescription products under limited shipment or supply suspension (delistings excluded); one row per product.