通つうじ薬ぐすりつうじぐすりじ字FuriganaMeanings1nounlaxative; purgativeA medicine that promotes bowel movements; synonymous with 下剤 (げざい).See also: 下剤便べん秘ぴのときは通つうじ薬ぐすりを飲のむことがある。When constipated, I sometimes take a laxative.