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Huo Luan (Cholera-like syndrome with sudden onset and chaotic symptoms) refers to a disease characterized by sudden onset and severe disorder. If the pathogenic factor is located in the Upper Jiao (Upper Burner), vomiting occurs; if in the Lower Jiao (Lower Burner), diarrhea occurs; if in the Middle Jiao (Middle Burner), both vomiting and diarrhea occur simultaneously. This type, known as Shi Huo Luan (Damp-type Cholera), is relatively easy to treat. If the patient is unable to vomit or have diarrhea, the pathogen cannot be expelled, leading to the stagnation of healthy Qi and resulting in Guan Ge (Obstruction and Rejection, where Yin and Yang energies block each other). Symptoms such as tongue retraction and testicular retraction into the abdomen indicate an incurable condition. Furthermore, Huo Luan is caused by the rebellion of Stomach Qi; ingesting food, grains, or drinks will inevitably lead to death.

[Acupoints] Guanzhong (TE1), Zhigou (TE6), Weizhong (BL40), Chengshan (BL57), Sanyinjiao (SP6), Gongsun (SP4), Taibai (SP3), Taichong (LR3) [highly effective for vomiting and diarrhea], Jiaji (EX-B2).
For persistent vomiting and diarrhea: Zhongwan (CV12), Tianshu (ST25), Qihai (CV6) [acupuncture or moxibustion can bring immediate cure].
For patients near death from Huo Luan: Fill the umbilicus with fine white dry salt and apply moxibustion for seven moxa cones (Zhuang); the patient will revive immediately.

(See Supplementary Material for Emetic disorders/Yue Bing)

Nausea: Pathogenic factors in the stomach area cause aversion to seeing food. There is a sensation of wanting to vomit but being unable to do so. If caused by Cold-evil, clear water is vomited; if caused by Phlegm-Fire, sour fluid is vomited, accompanied by irritability and thirst.
[Acupoints] Weishu (BL21), Youmen (KI21), Zhongwan (CV12), Shangqiu (SP5).

Vomiting: "Tu" (spitting out without sound) belongs to the Taiyang channel; it involves material expulsion without sound and indicates a Blood pathology. "Ou" (vomiting with sound) belongs to the Yangming channel; it involves material expulsion with sound and indicates a pathology involving both Qi and Blood.
[Acupoints] Taiyuan (LU9), Taoling (PC3), Liangru Xue (Points between breasts, specifically Rugen ST18, moxibustion 7 cones), Zhongwan (CV12), Qihai (CV6), Zusanli (ST36), Tonggu (BL65).

(Supplementary material exists for this section)

Fan Wei (Reverse Stomach/Regurgitation): Vomiting from the Upper Jiao involves Qi rushing upward to the chest, with immediate regurgitation after eating. Vomiting from the Middle Jiao involves chest stuffiness and oppression, sometimes pain precedes vomiting, or vomiting precedes pain. Vomiting from the Lower Jiao involves morning food eaten at night, or evening food eaten in the morning, cold limbs, clear urine, and constipation. Or, if vomiting occurs two days after eating, it indicates the exhaustion of Spleen function and depletion of Stomach Qi, which is incurable.
[Acupoints] Ge Shu (BL17), Pishu (BL20), Shangwan (CV13), Zhongwan (CV12) [each moxibusted for 14 cones], Tianshu (ST25), Qihai (CV6), Zusanli (ST36), Taibai (SP3).

Ye Bing (Choking/Dysphagia): You Ye (Worry-induced Choking) involves chest stuffiness and fullness. When Qi rebels, there is an urge to vomit but inability to eat, palpitations, and forgetfulness. Qi Ye (Qi-stagnation Choking) involves epigastric stuffiness, hiccups, refusal to eat, and chest/back pain. Lao Ye (Labor/Fatigue-induced Choking) involves Qi rising to the diaphragm, distension and back pain, difficulty eating, chest pain when eating hastily, and inability to breathe deeply. Ye Bing is a disorder of the Shen (Spirit/Mind) and thought processes; only internal observation and quiet nourishment can cure it.
[Acupoints] Tiantu (CV22), Weishu (BL21), Zhongwan (CV12), Qihai (CV6), Zusanli (ST36), Gaohuangshu (BL43), Pishu (BL20) [more effective for You Ye], Danzhong (CV17) [treats Qi Ye], Ge Shu (BL17) [treats Lao Ye].