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ATC N03AX15 · updated 2 Nov 2026

Zonisamide shortage in Japan

Is there a Zonisamide shortage in Japan?

Yes. As of 2 Nov 2026, 2 Zonisamide products are reported short in Japan, the first since 15 Oct 2026. The company estimate for the return is 1 Apr 2027. Main reason: quality problem or recall.

Also short in Italy, Spain, Czechia. All countries.

Affected products in Japan

CountryProductCompanySinceExpected backReason
ゾニサミドOD錠25mgTRE「サンド」Sandoz15 Oct 20261 Apr 2027Quality problem or recall
Quality problem
ゾニサミドOD錠50mgTRE「サンド」Sandoz15 Oct 20261 Apr 2027Quality problem or recall
Quality 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.