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JP ATC G04CA02 · updated 2 Nov 2026
Tamsulosin shortage in Japan
Is there a Tamsulosin shortage in Japan?
Yes. As of 2 Nov 2026, 11 Tamsulosin products are reported short in Japan, the first since 17 Dec 2024. No return date has been given. Main reason: increased demand.
Also short in Canada, Italy, Belgium, Czechia. All countries.
Affected products in Japan
| Country | Product | Company | Since | Expected back | Reason |
|---|---|---|---|---|---|
| JP | タムスロシン塩酸塩OD錠0.2mg「サワイ」 limited | Sawai | 17 Dec 2024 | not given | Manufacturing problem |
| JP | タムスロシン塩酸塩OD錠0.2mg「ケミファ」 limited | 日本薬品工業 | 13 Jan 2026 | not given | Other |
| JP | タムスロシン塩酸塩OD錠0.2mg「日医工」 limited | Nichi-Iko | 13 Feb 2026 | not given | Increased demand |
| JP | タムスロシン塩酸塩OD錠0.2mg「明治」 limited | Meiji | 9 Apr 2026 | not given | Increased demand |
| JP | タムスロシン塩酸塩OD錠0.1mg「VTRS」 limited | Viatris | 16 Apr 2026 | not given | Increased demand |
| JP | タムスロシン塩酸塩OD錠0.2mg「VTRS」 limited | Viatris | 16 Apr 2026 | not given | Increased demand |
| JP | タムスロシン塩酸塩OD錠0.1mg「あすか」 limited | あすか製薬 | 19 May 2026 | not given | Increased demand |
| JP | タムスロシン塩酸塩OD錠0.2mg「CH」 limited | Choseido | 19 May 2026 | not given | Increased demand |
| JP | タムスロシン塩酸塩OD錠0.2mg「あすか」 limited | あすか製薬 | 19 May 2026 | not given | Increased demand |
| JP | タムスロシン塩酸塩OD錠0.1mg「トーワ」 limited | Towa (Pensa) | 3 Sep 2026 | not given | Increased demand |
| JP | タムスロシン塩酸塩OD錠0.2mg「トーワ」 limited | Towa (Pensa) | 3 Sep 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.