经行泄泻·肾阳虚证(menstrual diarrhea with syndrome of kidney yang deficiency)是指肾阳素虚,经前及经期气血下注,肾阳益虚,脾失温煦,运化失职,水湿并走大肠,以经前或经期,大便泄泻,晨起尤甚,腰酸腿软,畏寒肢冷,头晕耳鸣,面色晦暗,舌淡,苔白滑,脉沉迟无力为常见症的经行泄泻证候。