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ATC J05AB11 · updated 2 Nov 2026

Valaciclovir shortage in Japan

Is there a Valaciclovir shortage in Japan?

Yes. As of 2 Nov 2026, 8 Valaciclovir products are reported short in Japan, the first since 20 May 2026. No return date has been given. Main reason: increased demand.

Also short in Canada, Italy, Ireland, Belgium, Czechia, Norway, Sweden, New Zealand, Australia. All countries.

Affected products in Japan

CountryProductCompanySinceExpected backReason
バラシクロビル錠500mg「DSEP」 limitedDaiichi Sankyo20 May 2026not givenOther
バラシクロビル錠500mg「サワイ」 limitedSawai11 Jun 2026not givenOther
バラシクロビル錠500mg「EE」 limitedNichi-Iko29 Jul 2026not givenIncreased demand
バラシクロビル錠500mg「NP」 limitedNipro20 Aug 2026not givenIncreased demand
バラシクロビル錠500mg「NIG」 limitedNichi-Iko27 Aug 2026not givenIncreased demand
バラシクロビル錠500mg「JG」Nihon Generic14 Oct 2026not givenOther
バラシクロビル錠500mg「ケミファ」 limited日本ケミファ26 Oct 2026not givenIncreased demand
バラシクロビル錠500mg「トーワ」 limitedTowa (Pensa)29 Oct 2026not givenIncreased 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.