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Heat and dampness pathogens accumulate internally and cannot dissipate. Accumulation in the Spleen gives rise to this affliction. Sweat appears on the head and face but stops at the neck; thirst for fluids exists, yet relief is hindered by urinary difficulty. Yinchen Wuling Tang (Coptis and Atractylodes Macrocephala Decoction with Five Ingredients) is most remarkable, assisting in promoting diuresis to remove dampness and jaundice.

The manifestation of jaundice caused by blood stasis is similar, but the distinguishing feature is that the stool must be black. If there is heat in the Lower Jiao, madness may occur; in such cases, Tao Ren (Peach Kernel) should be added to Chengqi Tang (Major Order the Qi Decoction).

When damp-heat accumulates in the Spleen and Stomach, jaundice ensues. Yellow is the color of the Spleen and Stomach. This is the syndrome of jaundice caused by stagnant heat in Shaoyang diseases. "Stagnant heat" refers to Yang Jaundice. The Classics state: In Yangming disease, if there is fever and sweating, this indicates heat escaping outward, so jaundice will not develop. However, if there is only sweat on the head, no sweat on the body, urinary difficulty, and thirst for drinking, this indicates phlegm-heat accumulating internally, which inevitably leads to jaundice. It is appropriate to treat with Yinchen Hao Tang (Artemisiae Scopariae Decoction). If jaundice appears at the onset, Yichen Wuling San (Coptis and Atractylodes Macrocephala Powder with Five Ingredients) is appropriate. There are also cases where stagnant heat from the Taiyang channel accumulates internally causing jaundice; this is also Yang Jaundice, treated with Mahuang Lianqiao Chixiaodou Tang (Ephedra, Forsythia, and Red Bean Decoction). If the body resembles the color of an orange, accompanied by urinary difficulty and slight abdominal fullness, Yinchen Hao Tang is also appropriate. If the body is yellow with fever, it indicates heat moving outward rather than inward; Zhizi Bopi Tang (Gardenia and Phellodendron Bark Decoction) is appropriate. There are also cases of jaundice due to cold-dampness, where the skin is smoked-yellow and dark in color; this is Yin Jaundice, treated with Yinchen Fuzi Tang (Coptis and Aconite Decoction). There are also cases of jaundice due to blood stasis, characterized by free urination and black stools; this is Blood Accumulation Syndrome, treated with Tao Ren Chengqi Tang (Peach Kernel and Major Order the Qi Decoction) and Xijiao Dihuang Tang (Rhinoceros Horn and Rehmannia Decoction). Generally, jaundice in Shaoyang diseases differs from miscellaneous disorders; treatment should be based on specific symptoms. The Classics state: For treating dampness and jaundice, failing to promote urination is not the correct method.

Yinchen Hao Tang uses Dahuang (Rhubarb); decocting it thickly effectively removes jaundice and stops vomiting. Zhizi Bipi Tang can also be used concurrently. Adding Yinchen to Wuling San improves efficacy. Tao Ren Chengqi Tang consists of five unique ingredients: Gancao (Licorice), Xiaoshuang (Mirabilite), Dahuang (Rhubarb), and Guizhi (Cinnamon Twig). For jaundice caused by blood stasis accumulation, or accompanied by delirious speech, this formula is suitable. Shen Shi Tang (Dampness Percolating Decoction) contains Cangzhu (Atractylodes Rhizome), Baizhu (Atractylodes Macrocephala Rhizome), Chenpi (Tangerine Peel), Zexie (Alisma), Zhuling (Polyporus), Fuling (Poria), Houpo (Magnolia Bark), Xiangfu (Cyperus Rhizome), Sharen (Amomum Fruit), and Gancao (Licorice); decoct with Dengxincao (Juncus Effusus) and Shengjiang (Fresh Ginger) as guides. Xijiao Dihuang Shaoyao Tang contains Shaoyao (Peony Root); it treats conditions where blood rises due to stomach fire and heat pathogens interfering, including macules, jaundice, and toxin accumulation. Sometimes, Chaihu (Bupleurum) and Wuling San are added to regulate the Liver.