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ATC A07EC02 · updated 2 Nov 2026

Mesalazine shortage in Japan

Is there a Mesalazine shortage in Japan?

Yes. As of 2 Nov 2026, 11 Mesalazine products are reported short in Japan, the first since 12 May 2023. No return date has been given. Main reason: increased demand.

Also short in Canada, Germany, France, Ireland, Austria, Czechia, Norway, Sweden, New Zealand, Australia. All countries.

Affected products in Japan

CountryProductCompanySinceExpected backReason
メサラジン徐放錠250mg「日医工P」 limitedNichi-Iko12 May 2023not givenIncreased demand
メサラジン徐放錠500mg「日医工P」 limitedNichi-Iko12 May 2023not givenIncreased demand
メサラジン腸溶錠400mg「サワイ」 limitedSawai16 Oct 2024not givenIncreased demand
ペンタサ坐剤1g limitedフェリング・ファーマ31 Jul 2025not givenQuality problem or recall
Quality problem
ペンタサ錠250mg limitedフェリング・ファーマ19 Dec 2025not givenOther
ペンタサ錠500mg limitedフェリング・ファーマ19 Dec 2025not givenOther
ペンタサ顆粒94% limitedフェリング・ファーマ19 Dec 2025not givenOther
メサラジン徐放錠500mg「トーワ」Towa (Pensa)9 Jul 2026not givenQuality problem or recall
Quality problem
メサラジン錠250mg「ケミファ」 limited日本ケミファ27 Jul 2026not givenManufacturing problem
メサラジン錠500mg「ケミファ」 limited日本ケミファ27 Jul 2026not givenManufacturing problem
メサラジン徐放錠250mg「トーワ」Towa (Pensa)30 Oct 2026not givenManufacturing 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.