DRUGSTORE · ドラッグストアClass 2
Ota Isan S
太田胃散S
Ohta's Isan
¥700–1,300at most drugstores
Composition · 成分
Active Ingredients
Herbal stomachics (cinnamon 276mg, fennel 72mg, nutmeg 60mg, clove 36mg, citrus peel 66mg, gentian 45mg, quassia 45mg)
Stimulate digestion
Sodium bicarbonate / Precipitated calcium carbonate / Synthetic hydrotalcite
Neutralise stomach acid
Biodiastase
Digestive enzyme
Dosage · 用法
How to take it
Adults (15+): 1.3g (one scoop) 3 times a day, after or between meals. Children 8–14: 0.65g. Not for children under 8.
Not for children under 8 years old
Caution · 注意
Warnings
- Not for children under 8
- If there is no improvement after taking it for a while, ask a doctor or pharmacist
- Successor to the original canned 太田胃散 (production ended September 2025); same dosage, some ingredients changed
Availability · 販売店
Where to buy
Available at major drugstore chains (Matsumoto Kiyoshi, Welcia, Sundrug, etc.).
View on Rakuten →Open Map →Related symptoms