下 剤(げざい)

げざい

noun

laxative; purgative

formalmedicalhealth

1. laxative; purgative

Medicine that induces bowel movements, taken for constipation or to clear the bowels before a medical procedure such as a colonoscopy. The medical-register term, used by doctors and on prescriptions.

下剤(げざい)を処方(しょほう)された。

I was prescribed a laxative.

下剤(げざい)は服用(ふくよう)量(りょう)に注意(ちゅうい)が必要(ひつよう)だ。

With laxatives, you need to be careful about the dose.

大腸(だいちょう)内視鏡(ないしきょう)検査(けんさ)の前日(ぜんじつ)に下剤(げざい)を飲(の)んで腸(ちょう)の中(なか)を空(から)にする。

The day before a colonoscopy, you take a laxative to empty your bowels.

下(げ) (descending) + 剤(ざい) (preparation, drug). The medical-register term. In a doctor's office or on a prescription you will see 下剤(げざい), but on consumer products and TV ads the everyday 便秘薬(べんぴやく) is used instead.

Common collocations

下剤(げざい)を飲(の)む: to take a laxative
下剤(げざい)を処方(しょほう)する: to prescribe a laxative
下剤(げざい)の服用(ふくよう): taking a laxative
刺激性(しげきせい)下剤(げざい): stimulant laxative

Similar words

便秘薬(べんぴやく): laxative — everyday consumer term for the same thing
整腸(せいちょう)剤(ざい): digestive regulator — milder, used for both constipation and diarrhea

Related Words

Compare: 便秘薬(べんぴやく) (laxative)

Compare: 整腸剤(せいちょうざい) (digestive regulator)

Related: 便秘(べんぴ) (constipation)

general

Added 2026.6.6 11:07 · Revised 2026.9.2 13:02

28500/28835_gezai