MEDICINE FINDER
Know what is in the box.
Japanese over-the-counter medicines, explained from the label, with the brands you know from home.
Look up Japanese over-the-counter medicines by name, ingredient or the brand you use at home.
This shows what each box’s label says: active ingredients, the label’s own uses and the sales class. It does not tell you what to take. Show the box to the pharmacist and ask before you buy, especially if you take other medicines, are pregnant or are buying for a child. Care Compass Japan provides navigational guidance, not medical diagnosis or treatment advice. If you are experiencing symptoms, please consult a qualified healthcare professional or visit an accredited hospital/clinic.
Where to buy near you
Shows the closest pharmacies and drugstores and the nearest convenience stores. Most medicines are sold at drugstores and pharmacies; convenience stores mainly carry quasi-drugs and only some sell Class 2 or 3 medicines. Stock varies, so check in the store. Opening hours come from Google Maps. Your location is sent only to Google to look up stores.
1 Japanese products
Ohta Isan Seichoyaku
太田胃散整腸薬
Made by 太田胃散
Active ingredients
- Bifidobacterium, 30 mg per 9 tablets ビフィズス菌
- Lactomin (Gasseri bacterium), 30 mg per 9 tablets ラクトミン(ガセリ菌)
- Butyric acid bacterium (Clostridium butyricum), 90 mg per 9 tablets 酪酸菌
- Gennoshoko extract (Geranium herb), 102 mg per 9 tablets ゲンノショウコエキス
- Akamegashiwa extract (Mallotus bark), 63 mg per 9 tablets アカメガシワエキス
- Gentiana powder, 51 mg per 9 tablets ゲンチアナ末
- Biodiastase 1000, 60 mg per 9 tablets ビオヂアスターゼ1000
Where to buy: Drugstores and pharmacies, and other shops, such as some convenience stores, while a pharmacist or registered seller (登録販売者) is on duty.
Barcode (JAN): 4987033703077
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Read from a retailer copy of the package insert; still to be confirmed against the official source on 2026-10-24.