下くだし薬ぐすり

noun

laxative; purgative

A medicine that promotes bowel movements. The term is somewhat plain and direct; in medical or polite contexts, 下剤 (げざい) is more common.

See also: 下剤

• 便べん秘ぴがひどいので、下くだし薬ぐすりを飲のんだ。

  My constipation was severe, so I took a laxative.