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JP ATC C01BA02 · updated 2 Nov 2026
Procainamide shortage in Japan
Is there a Procainamide shortage in Japan?
Yes. As of 2 Nov 2026, 4 Procainamide products are reported short in Japan, the first since 16 Apr 2025. No return date has been given. Main reason: active ingredient shortage.
Also short in Canada. All countries.
Affected products in Japan
| Country | Product | Company | Since | Expected back | Reason |
|---|---|---|---|---|---|
| JP | アミサリン錠125mg | Alfresa Pharma | 16 Apr 2025 | not given | Active ingredient shortage Raw material (active ingredient) supply problem |
| JP | アミサリン錠250mg | Alfresa Pharma | 16 Apr 2025 | not given | Active ingredient shortage Raw material (active ingredient) supply problem |
| JP | アミサリン注100mg limited | Alfresa Pharma | 22 Jan 2026 | not given | Other |
| JP | アミサリン注200mg limited | Alfresa Pharma | 22 Jan 2026 | not given | Other |
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.