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Abdominal fullness, occasional pain, vomiting and diarrhea, with no thirst, constitutes Taiyin disease (for related discussions, see "Abdominal Fullness"; *Huoren Shu* states it is primarily treated with Lizhong Tang). If a patient's pulse is tight in all three positions (cun, guan, chi) yet there is spontaneous sweating, this indicates the loss of Yang. This belongs to Shaoyin disease; according to the principles, one should expect sore throat accompanied by vomiting and diarrhea (treated with Guizhi Ganjiang Tang). In Shaoyin disease, if there is vomiting and diarrhea, cold limbs, and severe irritability bordering on death, Wuzhuyu Tang is primarily indicated. In Shaoyin disease, if there is vomiting and diarrhea, but the limbs are not cold and instead there is fever, the prognosis is not fatal; if the pulse cannot be felt, moxibustion should be applied to the Shaoyin channel for seven moxa cones (Pang Anshi notes: "Fever at the depression of the arterial pulse behind the medial malleolus and above the calcaneus" refers to general body fever. I observe: The collaterals of Shaoyin are not limited to a single acupoint. The text mentions "Shaoyin" without specifying an acupoint because acupuncture methods should select Jing-River, Ying-Spring, Shu-Stream, Jing-Well, and He-Sea points according to the seasons and Qi dynamics, rather than being rigidly fixed. Pang's specification of Taixi (KI3) may not align with Zhang Zhongjing's original intent). In Shaoyin disease, if there is vomiting and diarrhea, irritability, and cold limbs extending to the extremities (Si Ni), it is a fatal condition. In Shaoyin disease, if there is diarrhea, cough, vomiting, thirst, mental restlessness, and inability to sleep, Zhu Ling Tang is primarily indicated (for related discussions, see "Diarrhea"). In Shaoyin disease, if there is abdominal pain, difficulty urinating, heaviness and pain in the four limbs, spontaneous diarrhea, or vomiting, Zhenwu Tang with Fuzi removed and Shengjiang added is used (for related discussions, see "Diarrhea"). In Shaoyin disease, if there is diarrhea, a faint and choppy pulse, vomiting, and sweating, the upper part should be warmed via moxibustion (for related discussions, see "Desire to Sleep". "Warming the upper part" implies that cold qi exists below, so warming the upper part assists Yang Qi). If both vomiting and diarrhea occur, followed by free urination, profuse sweating, diarrhea with undigested food, internal cold with external heat, and a pulse that is faint and nearly absent, Sini Tang is primarily indicated (Wang Shuhe included this in the Huoluan chapter).

When Taiyang and Shaoyang diseases combine, symptoms include headache, hypochondriac pain, alternating chills and fever, spontaneous diarrhea, and vomiting; Huangqin Jia Banxia Shengjiang Tang is primarily indicated (for related discussions, see "Combined Diseases"). If there is fever, sweating, unresolved exterior syndrome, epigastric stuffiness and hardness, vomiting, and diarrhea, Dahuang Tang is appropriate (for related discussions, see "Stagnation"). After sweating therapy, if neither water nor grain can be taken, this is a adverse reaction (Ni); if sweating is induced again, vomiting and diarrhea will certainly become incessant. Vomiting accompanied by diarrhea is named Huoluan disease. Fever, headache, body ache, aversion to cold, vomiting, and diarrhea also constitute Huoluan. If one vomits and has diarrhea, and after the diarrhea stops, fever recurs, this is also Huoluan. In Huoluan, if there is headache, fever, body ache, and a predominance of heat with desire for water, Wuling San is primarily indicated; if there is a predominance of cold with no desire for water, Lizhong Tang is appropriate.

Lizhong Tang Formula: Renshen (Ginseng Radix et Rhizoma), Ganjiang (Zingiberis Rhizoma, processed), Gancao (Licorice Root, honey-fried, each 1 liang), Baizhu (Atractylodis Macrocephalae Rhizoma, 2 liang). The above herbs are coarsely crushed. Take 4 qian per dose, decoct in water, remove dregs, and take warm. If cold is severe, add 1.5 liang of Ganjiang. If thirsty and desiring water, add 1.5 liang of Baizhu. If there is palpitation/throbbing above the navel, indicating Kidney Qi movement, remove Baizhu and add 2 liang of Guizhi. If vomiting is frequent, remove Baizhu and add 4 liang of Shengjiang. If diarrhea is frequent, double the amount of Baizhu. If palpitations occur, add 2 liang of Fuling. If abdominal fullness occurs, remove Baizhu and add one Fuzi. About the time of a meal after taking the decoction, drink about 1 sheng of hot porridge to maintain warmth; do not expose the body to cold (*Huoren Shu* adds: if there is limb contracture or muscle twitching/cramping, also remove Baizhu and add Fuzi).

In cases of vomiting and diarrhea with sweating, fever, aversion to cold, limb contracture, and cold hands and feet, Sini Tang is primarily indicated. If vomiting and diarrhea stop but body pain persists, the exterior should be harmonized cautiously; Guizhi Tang is appropriate. If there is aversion to cold, a faint pulse, and cessation of diarrhea, Sini Jia Renshen Tang is used (formula discussion see "Aversion to Cold").

If vomiting ceases and diarrhea stops, but there is sweating, cold limbs, unrelieved limb contracture, and a pulse that is faint and nearly absent, Tongmai Sini Tang with Zhu Danzhi (Porcine Bile) is primarily indicated. Gancao (honey-fried, 2 liang), Ganjiang (3 liang), Fuzi (one large piece, peeled and broken into eight pieces), Zhu Danzhi (0.5 he). The first three ingredients are coarsely crushed, decocted in three cups of water until two cups remain, dregs removed, and Zhu Danzhi added. Divide into two doses and take warm; the pulse will then return.

After vomiting and diarrhea, if sweating leads to a normal pulse and absence of irritability, it is due to recent deficiency being unable to handle the energy from food. If there is dry heaving and diarrhea, accompanied by hypochondriac pain and resolved exterior syndrome, Shizao Tang is appropriate. If there is epigastric stuffiness, hardness, and irritability, Gancao Xiexin Tang is appropriate. If accompanied by cold limbs and a faint pulse, Tongmai Sini Tang or Baitong Jia Zhu Danzhi Tang is used (see previous section on "Dry Heaving").

Diagnosis: When the pulse is tight in all three positions, leading to vomiting and diarrhea, if the pulse remains tight and does not resolve, but the patient remains calm and quiet, this indicates the disease is resolving. If the pulse is slow, reaching six or seven days, with anorexia, this is a late-onset complication due to fluid retention, indicating the disease is unresolved. If appetite returns normally, it indicates resolution.

The syndrome differentiation and treatment of Huoluan have been detailed in the Miscellaneous Diseases section; thus, they are not repeated here.