《伤寒论·辨太阳病脉证并治下》
太阳病，表证未解，反而屡次攻下，致脾气损伤，出现腹泻不止，胃脘部痞结胀硬，而发热畏寒等表证仍在的，用桂枝人参汤主治。
太阳病，外证未除而数下之，遂协热而利。利下不止，心下痞硬，表里不解者，桂枝人参汤主之。
Sun Disease, failure to resolve exterior syndrome, on the contrary, frequent purging damages the spleen qi, resulting in persistent diarrhea, distension, hardness, and lumps in the epigastrium, and continued exterior syndrome such as fever and chills. Treat with Cinnamon Twig and Ginseng Decoction.