JP ATC S01AD03 · updated 2 Nov 2026
Aciclovir shortage in Japan
Is there an Aciclovir shortage in Japan?
Yes. As of 2 Nov 2026, 4 Aciclovir products are reported short in Japan, the first since 6 Mar 2024. No return date has been given. Main reason: other.
Also short in Spain. All countries.
Affected products in Japan
| Country | Product | Company | Since | Expected back | Reason |
|---|---|---|---|---|---|
| JP | ゾビラックス軟膏5% | GSK | 6 Mar 2024 | not given | Quality problem or recall Quality problem |
| JP | アシクロビル顆粒40%「タカタ」 | Takata Pharmaceutical | 7 Nov 2025 | not given | Other |
| JP | アシクロビルシロップ8%「タカタ」 limited | Takata Pharmaceutical | 15 Jan 2026 | not given | Other |
| JP | アシクロビル錠200mg「トーワ」 limited | Towa (Pensa) | 22 Oct 2026 | not given | Increased demand |
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.