noun
Medical term for a liquid preparation made by boiling or steeping herbs or other substances. Used in traditional medicine and pharmacy.
漢方では、生薬を煎じて煎薬を作ります。
In Kampo medicine, crude drugs are boiled to make a decoction.
この煎薬は1日3回、食前に服用してください。
Please take this decoction three times a day before meals.