laxative; mild laxative
Medical term for a substance that promotes bowel movements, typically milder than a purgative (下剤).
便秘のときは、緩下剤を使うこともあります。
When constipated, one may use a laxative.
Compound of 緩 (kan, 'gentle, mild') + 下 (ge, 'down, lower') + 剤 (zai, 'medicine, drug'). The term describes a mild laxative.