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Those who desire to vomit after eating belong to Yangming disease, and Wuzhuyu Tang (Evodia Decoction) is the primary treatment. If symptoms worsen after taking the decoction, it belongs to Upper Jiao (Upper Burner) pathology.

When Earth fails and Stomach Qi rebels, vomiting occurs. Desire to vomit after eating belongs to Yangming disease. In Wuzhuyu Tang, Renshen (Ginseng Root) and Dazao (Jujube Fruit) cultivate Earth and tonify the Middle; Wuzhuyu (Evodia Fruit) and Shengjiang (Fresh Ginger) warm the Stomach and direct rebellious Qi downward. If symptoms worsen after taking the decoction, it is due to Pi Re (Pihotness/Heat with obstruction) in the Upper Jiao, not deficiency-cold in the Middle Jiao.

Wuzhuyu (Evodiae Fructus) (1 sheng, washed), Shengjiang (Zingiberis Rhizoma Recens) (6 liang), Renshen (Ginseng Radix et Rhizoma) (3 liang), Dazao (Ziziphi Jujubae Fructus) (12 pieces).
The above four ingredients are boiled in 7 sheng of water to obtain 2 sheng. Strain the dregs. Take 7 ge warm, three times a day.

In Shaoyang disease, if there is frequent vomiting, even if there are Yangming signs, purgation must not be used.
In Shaoyang disease, depression and pressure in the meridians and fu-organs prevent acceptance, causing vomiting. Vomiting originates from weak Earth and rebellious Stomach Qi; even if there are Yangming interior excess signs, purgation must not be used.

In Taiyang disease, the Cun (inch) pulse is slow, Guan (bar) pulse is floating, and Chi (cubit) pulse is weak. The patient has fever, sweating, and aversion to cold, does not vomit, but has fullness below the heart. This is caused by the physician's erroneous use of purgation. If purgation was not used, and the patient is not averse to cold but is thirsty, this indicates a transition to Yangming disease.

Those with frequent urination will inevitably have hard stools. Even if ten days pass without defecation, they will feel no distress. When desiring to drink water, give small amounts. Treat according to the method. For those with thirst, Wu Ling San (Five-Ingredient Powder with Poria) is appropriate (formula found in Taiyang section 41).
In Taiyang disease, the Cun pulse is slow and Guan pulse is floating, which are still pulses of Wind-stroke, but the weak Chi pulse indicates insufficient Kidney Qi. The patient has fever, sweating, and aversion to cold. The exterior syndrome is unresolved, yet there is only fullness below the heart. This is a Pi Zheng (fullness syndrome) formed by the physician's erroneous purgation, not Yangming disease. If the fullness below the heart is not caused by purgation, and externally there is no aversion to cold while internally there is thirst, this indicates that the Taiyang exterior has resolved and transitioned to Yangming disease. Generally, in Taiyang disease, if the exterior is unresolved and purgation is erroneously used, Pi forms. In Yangming disease, without needing purgation, if Stomach Qi rebels and obstructs the descending pathway of the Gallbladder meridian, Pi also forms. Rebellious Stomach Qi inevitably causes vomiting; dry Earth inevitably causes thirst; external steaming of Stomach Heat inevitably means no aversion to cold. Observing these signs together, we know it is a transition to Yangming disease. If urination is frequent, stools will inevitably be hard. However, the weak Chi pulse indicates Cold in the Kidneys; originally, it is not an abundance of Yang. Although ten days pass without defecation, there is no distress. For such thirst, only small amounts of water should be given, merely to slightly alleviate dryness of the mouth and tongue according to the method. This thirst is due to dampness in Earth rather than rising Fire; it is not dryness of Earth leading to depletion of fluids. Therefore, Wu Ling San is suitable to drain dampness and dry Earth.