整腸剤 せいちょうざい Meanings Noun medicine for treating digestive disorders (e.g. antidiarrheals, probiotics); gastrointestinal drug Kanji 整 arrange. Read as セイ. 腸 intestine. Read as チョウ. 剤 agent. Read as ザイ. Word lists Pharmacology Jinuma: Japanese Dictionary · Word lists