《伤寒论·辨太阴病脉证并治》
腹泻而口不渴的，是属于太阴病。因为脾虚有寒，应当用温补的方法治疗，可用四逆汤一类的方剂。
自利不渴者，属太阴，以其藏有寒故也。当温之，宜服四逆辈。
Diarrhea without thirst belongs to Tai Yin disease. Because the spleen is weak and cold, it should be treated with the method of warming and invigorating, which can be used as a prescription of Si Ni Tang.