For treating constipation, a laxative is often prescribed first.
この漢方薬には穏やかな瀉薬作用がある。
This herbal medicine has a mild laxative effect.
止瀉薬
antidiarrheal; antidiarrhoeal
Etymology
Compound of 瀉 (しゃ, 'to purge, to drain') and 薬 (やく, 'medicine'). The exact historical derivation is uncertain, but the term is used in modern medical Japanese.
