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JP ATC R03DC03 · updated 2 Nov 2026
Montelukast shortage in Japan
Is there a Montelukast shortage in Japan?
Yes. As of 2 Nov 2026, 18 Montelukast products are reported short in Japan, the first since 9 Jul 2024. No return date has been given. Main reason: increased demand.
Also short in United States, Canada, France, Italy, Spain, Ireland, Austria, Belgium, Czechia, Norway, Sweden, New Zealand. All countries.
Affected products in Japan
| Country | Product | Company | Since | Expected back | Reason |
|---|---|---|---|---|---|
| JP | モンテルカスト錠10mg「TCK」 limited | Tatsumi Kagaku | 9 Jul 2024 | not given | Manufacturing problem |
| JP | モンテルカストチュアブル錠5mg「ニプロ」 limited | Nipro | 2 Dec 2024 | not given | Increased demand |
| JP | モンテルカスト細粒4mg「ニプロ」 limited | Nipro | 2 Dec 2024 | not given | Increased demand |
| JP | モンテルカスト錠10mg「ニプロ」 limited | Nipro | 14 Feb 2025 | not given | Increased demand |
| JP | モンテルカスト錠10mg「タカタ」 limited | Takata Pharmaceutical | 6 Mar 2025 | not given | Other |
| JP | モンテルカストチュアブル錠5mg「サワイ」 limited | Sawai | 21 Mar 2025 | not given | Increased demand |
| JP | モンテルカストOD錠10mg「サワイ」 limited | Sawai | 3 Sep 2025 | not given | Quality problem or recall Quality problem |
| JP | モンテルカストOD錠10mg「トーワ」 limited | Towa (Pensa) | 1 Oct 2025 | not given | Increased demand |
| JP | モンテルカスト錠5mg「SN」 | シオノケミカル | 21 Nov 2025 | not given | Other |
| JP | モンテルカスト錠10mg「サワイ」 | Sawai | 2 Dec 2025 | not given | Quality problem or recall Quality problem |
| JP | モンテルカスト錠5mg「サワイ」 | Sawai | 2 Dec 2025 | not given | Quality problem or recall Quality problem |
| JP | モンテルカストチュアブル錠5mg「トーワ」 limited | Towa (Pensa) | 10 Dec 2025 | not given | Increased demand |
| JP | モンテルカスト細粒4mg「トーワ」 limited | Towa (Pensa) | 10 Dec 2025 | not given | Increased demand |
| JP | モンテルカスト細粒4mg「明治」 limited | Meiji | 25 Dec 2025 | not given | Increased demand |
| JP | モンテルカストOD錠5mg「タカタ」 limited | Takata Pharmaceutical | 3 Apr 2026 | not given | Other |
| JP | モンテルカスト細粒4mg「サワイ」 limited | Sawai | 10 Apr 2026 | not given | Other |
| JP | モンテルカストOD錠10mg「明治」 limited | Meiji | 25 Aug 2026 | not given | Increased demand |
| JP | モンテルカスト錠10mg「トーワ」 limited | Towa (Pensa) | 22 Oct 2026 | not given | Manufacturing 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.