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Lougu Chuan (Mole Cricket Striation) is caused by excessive worry damaging the Spleen, leading to Qi stagnation. This disease mostly affects those with deficient and thin Qi and Blood, as the four limbs belong to the Earth element of the Spleen; thus, lesions often occur on both hands. Initially, there is pain in the bones, gradually developing into diffuse swelling that is hard, without heat or redness. Swelling occurs in several blocks connecting the back of the hand and the areas before and after Neiguan (PC6), making movement impossible. After a long time, it breaks open, discharging fluid resembling tofu dregs, spreading through various orifices, flowing day and night, while pain and swelling persist. The patient appears sallow and emaciated, with reduced appetite, alternating chills and fever during the day, and internal symptoms manifesting together. Throughout the course of the disease, Yi Qi Yang Rong Tang (Qi-Nourishing and Blood-Enriching Decoction) and Jia Wei Xiao Yao San (Modified Free Wanderer Powder) are suitable to harmonize Qi and Blood, support the Spleen and Stomach. Only two or three out of ten cases may recover. If tonification fails, death due to exhaustion of Qi and Blood is common.
Yi Qi Yang Rong Tang, Jia Wei Xiao Yao San (see Scrofula Section).

Dou Feng Chuang (Chickenpox Wind Ulcer) arises from residual toxins from smallpox or measles not fully cleared, leaving heat in the skin, compounded by external wind invasion. Symptoms begin with itching from fine ulcers, which gradually spread into patches, exuding serum and forming scabs. Excessive scratching necessitates the application of Mai Jiang San (Wheat Paste Powder), along with dietary restrictions and avoidance of wind for self-healing.
Mai Jiang San
Mai Jiang San treats Dou Feng Chuang: Sulfur and Realgar should be proportioned equally; Sichuan Pepper, raw and calcined Alum in equal parts; mix with Sesame Oil for application, resulting in natural recovery.
It treats pediatric Dou Feng causing itching, layer upon layer in patches, even becoming numb and insensitive to pain.
Take one sheng of wheat, stir-fry until charred yellow, place in a mortar while hot, add four liang of Sulfur and one liang of White Arsenic, grind into fine powder and mix well. Let cool and remove; add half a jin of Tobacco Resin, three liang of Sichuan Pepper, and two liang each of raw and calcined Alum. Grind all into fine powder. Before use, wash the lesion with Scallion Decoction, apply mixed with Sesame Oil, cover with oil paper, change every three days. Three applications will cure.

Chi You Dan (Red Roaming Erysipelas) receives toxicity before birth and manifests after birth. While in the womb, the fetus relies on paternal essence and maternal blood for nourishment. If parents cannot restrain their desires, excessive fire flares up, invading the fetus; if they do not avoid rich foods, charcoal heating, or heavy quilts, heat accumulates, affecting the fetus. After birth, hot water bathing, heated clothing, and薰 steaming can trigger internal toxins. Upon onset, fever, crying, and convulsions appear first, followed by red, swollen, shiny, and hot areas that migrate rapidly without fixed locations. If starting from the forehead, it is called Tian Duo Dan (Heaven-Plundered Dan); treat with Sheng Ma Ge Gen Tang (Cimicifugae et Puerariae Decoction) taken by mother and child together. Lesions starting on the abdomen/back spreading to limbs are mild; those starting on limbs spreading to chest/abdomen are severe. In all cases, phlebotomy (Bian Fa) to release bad blood is essential. After phlebotomy, apply fresh lean pork slices for about one hour, then replace with Ru Yi Jin Huang San (Ruyi Golden Yellow Powder) mixed with juice of Musa Basjoo root. Severe cases require twice-daily changes. Internally administer Da Lian Qiao Yin (Large Forsythia Drink), Xiao Du Xi Jiao Yin (Detoxifying Rhinoceros Horn Drink), or Wu Fu Hua Du Dan (Five Blessings Detoxifying Pill). If toxins enter the interior causing abdominal distension, hardness, and refusal to nurse, use Zi Xue San (Purple Snow Powder) to purge. After three days, if the body cools completely, flesh at phlebotomy sites becomes soft and mobile, voice clear, abdomen soft, and nursing normal, this is favorable (Shun); otherwise, it is unfavorable (Ni).
Sheng Ma Ge Gen Tang
Sheng Ma Ge Gen Tang contains Shaoyao, Chaihu, Zhizi, and Lianqiao; combined with Mutong and Gancao, it effectively treats migrating erysipelas.
It treats erysipelas with fever, facial redness, rapid breathing, crying, and convulsions.
Shengma, Gegen, Baishao, Chaihu, Huangqin, Zhizhi (each 1 qian); Mutong, Gancao (each 0.5 qian).
Decoct in two zhong of water to obtain eight fen. Take at any time, shared by mother and child.

Da Lian Qiao Yin
Da Lian Qiao Yin contains Zhizi, Shaoyao, Danggui, Cheqian, Huashi, and Shigao; Jingjie, Fangfeng, Gancao, Xiaomai, Chaihu, Huangqin, Chan Tui, Mutong, and Niuzi are also suitable.
It treats pediatric erysipelas with fever and profuse phlegm-saliva, all sores and rashes, cervical lymphadenopathy; or wind-cold/wind-heat with epidemic fever.
Lianqiao, Qumai, Huashi, Cheqianzi, Niuzi, Chishao, Zhizi, Mutong, Danggui, Fangfeng, Huangqin, Chaihu, Gancao, Jingjie, Chan Tui, Shigao (each 0.5 qian).
Decoct in two zhong of water with twenty roots of Dengxincao to obtain eight fen. Take shared by mother and child.

Xiao Du Xi Jiao Yin
Xiao Du Xi Jiao Yin combines Fangfeng, Huanglian, and Gancao, using Dengxincao as a guide, showing miraculous efficacy for Chi You Dan swelling.
It treats pediatric erysipelas with fever, rough breathing, crying, and restless convulsions.
Xi Jiao (sliced), Fangfeng (each 1 qian); Gancao (0.5 qian); Huanglian (0.3 qian).
Decoct in two zhong of water with twenty roots of Dengxincao to obtain four fen. Administer slowly.

Zi Xue San
Zi Xue San combines Lingyang Jiao and Xi Jiao with Shengma, Hanshui Shi, and Shigao; Xuanshen, Chenxiang, Muxiang, Gancao, Xiaoshi, Zhusha, and Jinbo follow.
It treats severe pediatric Chi You Dan where toxins enter the interior causing abdominal distension, rapid breathing, and refusal to nurse. It also treats mania from cold-heat dryness, and surgical conditions with internal accumulated toxins causing irritability, dry mouth, and mental confusion.
Shengma, Hanshui Shi, Shigao, Xi Jiao, Lingyang Jiao (each 1 liang); Xuanshen (2 liang); Chenxiang, Muxiang (each 5 qian); Gancao (8 qian).
Decoct in five bowls of water until five bowls remain, filter, boil again. Add purified Xiaoshi (3.6 liang), simmer gently until nearly dry and congealing. Pour into a bowl. Add Zhusha and Bingpian (each 2 qian), and 100 sheets of Jinbo, previously ground fine and mixed evenly. Place bowl in water to cool and solidify like snow. Adults take 1 qian; infants 2 fen; 10-year-olds 5 fen. Swallow slowly for effect. For severe cases, add 1 qian. Can also be dissolved in Danzhuye or Dengxin Decoction.

Zhen Bian Fa (Needle Phlebotomy Method)
The Zhen Bian method involves inserting the needle head into the lesion, striking the needle with chopsticks, scraping out blood with chopsticks.
It treats pediatric Chi You Dan with red, swollen, migrating lesions requiring phlebotomy. Use a broad-bladed needle pointed at the lesion, strike the needle with heavy ebony chopsticks. Releasing abundant blood is ideal; bright red indicates mildness, purple indicates severity, black indicates fatality. After phlebotomy, wash with warm water, apply large slices of dry lean pork to the site for about an hour, then replace with Ru Yi Jin Huang San mixed with Musa Basjoo root juice.
Ru Yi Jin Huang San (see Abscess Section)
It treats pediatric Chi You Dan with redness like cinnabar, heat like fire, migration like clouds, spreading over the whole body unpredictably. Apply mixed with Musa Basjoo root juice; honey may be added.
Wu Fu Hua Du Dan (see Fetal Tumor Section)