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The condition termed "Feng" (Leprosy/Madness) refers to a disease manifested after contracting the severe epidemic qi of heaven and earth. It is primarily caused by noxious and toxic qi entangling the flesh and blood, dispersing into the muscle surface, and remaining in the meridians and collaterals, thereby forming the Feng syndrome, which is the most malignant prognosis. As for "Sha" (Sand/Toxin), it is also a seasonal noxious and toxic qi that transforms into severe Feng; what doubt could there be?

In the past, while at Qinxi, I once witnessed an individual suffering from severe Leprosy (Da Ma Feng), whose eyebrows and hair had completely fallen out, with a haggard and ruined facial appearance, and curled and contracted hands and feet. An old man encountered him and performed Sha-bleeding three times, stating, "This is Sha-Feng." He then transmitted a prescription to me: Jin Yin Hua (Lonicerae Japonicae Flos) 6 qian, Huang Qin (Scutellariae Radix) 1.5 qian, Zao Jiao Ci (Gleditsiae Sinensis Spina) 1 qian, Chi Shao (Paeveae Radix Rubra) 2 qian, Hong Hua (Carthami Flos) 2 qian, Niu Xi (Achyranthis Bidentatae Radix) 3 qian, Ku Shen (Sophorae Flavescentis Radix) 4 qian, and Sheng Di Huang (Rehmanniae Radix) 2 qian. Decocted in water and taken daily, the condition gradually improved until recovery. Regarding this specific case, I had never treated it myself and dare not falsely record my own therapeutic experience. However, having witnessed the old man's successful treatment, I append it here to demonstrate that Sha syndromes can also present such variations.

When Sha syndrome first erupts, although its momentum may be fierce and violent, the body weight sensation may not necessarily be present. If one drinks hot soup or hot wine, the Sha toxin will immediately obstruct between the meridians, collaterals, flesh, and blood, causing heaviness and pain throughout the body, making it impossible to turn or shift position. After Sha-bleeding, treatment should prioritize resolving stasis and detoxification. Early-stage cases are easy to treat; if prolonged, they become difficult. If both bloodletting and herbal medication fail to produce effects, death ensues.

Therapeutic Cases:

1. Shao Guangxian: In December, he experienced slight abdominal pain and vomited acidic fluid. Believing his chest had been affected by cold, he drank a bowl of ginger soup. Consequently, he suffered severe pain throughout his body, abdominal distension, bodily heaviness, and inability to turn or shift. Upon my arrival, all pulses on the right side were concealed (Fu pulse). I performed Sha-bleeding. He was administered Dang Gui Zhi Ke Tang (Angelicae Sinensis and Aurantii Fructus Decoction) slightly cooled, followed by Tao Ren Hong Hua Tang (Pruni Semen and Carthami Flos Decoction) taken slightly warm. The next day, the Qi of Sha toxin gradually diminished. Another session of Sha-bleeding was performed, and upon taking the previous medications, he recovered.

2. The second son of Mo Chengyun: He suffered from headache and fever, with chest distension and stuffiness. After drinking a bowl of hot soup, he experienced pain throughout his body, inability to turn or shift, and remained bedridden. After taking other medications, his consciousness became increasingly clouded. Upon my examination, the Cun (Cun position) pulse on the right hand was deficient (Xu), the Cun pulse on the left hand was faint and fine (Wei Xi), while the Guan (Guan position) pulse was surging, tight, and forceful. I determined it to be a Sha syndrome. I pricked the fingertips, releasing nine needles' worth of toxic blood, resulting in slight improvement. He was prescribed herbs to resolve Sha, invigorate blood, and detoxify. After three doses, he recovered.