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The manifestations of scabies are categorized into five types: dry scabies, damp scabies, sandy scabies, worm scabies, and pustular scabies. These conditions all arise from deficiency of Qi (vital energy) and heat in the Blood (blood), resulting in turbid Ying (nutritive) and Wei (defensive) energies. They typically begin in the web spaces between fingers and spread throughout the body, causing extreme itching. For instance: when Dryness is predominant, dry scabies occurs; scratching leads to dry skin and white scales. When Dampness is predominant, damp scabies occurs; it presents with sudden swelling and pain, breaks open to exude yellow fluid, resembling ulcerated acne, with pus-filled tops, varying in viscosity, accompanied by both pain and itching. If toxic accumulation transforms with Wind-Dampness, worm scabies arises; the itching penetrates to the bone, and scratching yields no sensation of pain. Although scabies appears as an Excess syndrome (repletion pattern), it frequently afflicts individuals with Deficiency patterns. Therefore, treatment should not focus solely on attacking the excess pathogen but must prioritize supporting the underlying deficiency. For robust constitutions, Danggui Yinzi (Angelica Decoction) is the primary formula; for damp and pustular scabies, Huangqi Yinzi (Astragalus Decoction) is used, both washed with Shenjiao Tang (Ginseng and Pepper Soup) and applied externally with Xiuqiu Wan (Embroidered Ball Pill). In cases of severe wet ulcers and pain, Erhuang Dan (Two-Yellow Powder) applied externally proves effective. Regarding worms generated over a long duration, these are transformed from Damp-Heat; clearing the Damp-Heat causes the worms to perish without direct expulsion. Internally take Kushen Wan (Sophora Pill), and externally apply Jinyin San (Honeysuckle Powder) for self-healing. Application of Xiuqiu Wan is also effective.

First, for chronic cases that fail to heal, characterized by extreme physical weakness and severe sores, internally taking Shenshen Zao (Divine Date) and externally applying Erhuang Dan can lead to recovery.

Second, for pediatric scabies, bathing with decoction of Jingjie (Schizonepeta) and using this water to wash clothes is most excellent.

Third, for recurrent scabies after healing or annual recurrences, regularly taking Dusheng Wan (Unique Holy Pill) for regulation is most excellent.

Danggui Yinzi (Angelica Decoction)
Danggui (Radix Angelicae Sinensis, 3 qian) Sheng Dihuang (Radix Rehmanniae Preparata, 4-5 qian) Baijili (Fructus Tribuli, thorns removed) Jingjie (Herba Schizonepetae) Chishao (Radix Paeoniae Rubra) Lianqiao (Fructus Forsythiae, heart removed) Jinyinhua (Flos Lonicerae) Jiangcan (Bombyx Batryticatus, each 2 qian, raw and ground)
Add five leaves of Zhuye (Bamboo Leaf), decoct in water, and take after meals. For dry scabies, add Danpi (Cortex Moutan, 2 qian); for sandy scabies, add Kuqing (Radix Scutellariae, 1.5 qian).

Huangqi Yinzi (Astragalus Decoction)
Sheng Huangqi (Radix Astragali, 4 qian) Jingjisui (Spica Schizonepetae) Yunling (Poria, 2 qian each) Guishen (Radix Angelicae Sinensis, root part) Rendong (Caulis Lonicerae, 3 qian) Fangfeng (Radix Saposhnikoviae) Baizhi (Radix Angelicae Dahuricae, fragrant variety) Lianqiao (Fructus Forsythiae, each 1 qian, heart removed) Gancao (Radix Glycyrrhizae, 0.8 fen)
Add ten dates (Jujubae Fructus), decoct in water, and take warm. For damp scabies, add processed Ruxiang (Resina Draconis, 1.5 qian); for pustular scabies, add Mutong (Caulis Akebiae, 1.5 qian).

Shenshen Zao (Divine Date)
Guishen (Radix Angelicae Sinensis, root part, 1 liang) Jinyinhua (Flos Lonicerae, 1 liang) Gancao (Radix Glycyrrhizae, 3 qian) Baijiangcan (Bombyx Batryticatus) Baizhi (Radix Angelicae Dahuricae) Huangqi (Radix Astragali, each 5 qian) Hongzao (Fructus Jujubae, 2 jin)
Add six bowls of water, decoct until three bowls remain. Boil the dregs again in the same manner to obtain a total of six bowls of decoction. Strain and mix the decoction with the dates, consuming evenly over four to five days. Completion of the course results in cure.

Dusheng Wan (Unique Holy Pill)
Jingjie (Herba Schizonepetae, with spikes)
Grind the single ingredient into powder. Use natural juice of Dihuang (Radix Rehmanniae) to make a paste and form pills the size of Torreya seeds. Take 3 qian per dose, with tea or wine as desired. Fish and crab must be avoided during consumption.

Xiuqiu Wan (Embroidered Ball Pill)
Chuanjiaohong (Pericarpium Zanthoxyli, red part) Qingfen (Calomelas) Zhangnao (Camphora) Xionghuang (Realgar) Kubaijian (Alumen Exsiccatum) Shuiyin (Hydrargyrum, each 2 qian) Dafengzirou (Semen Crotonis Tiglii, 100 grains, separately ground)
Grind all ingredients together into fine powder, then mix thoroughly with the separately ground Semen Crotonis Tiglii. Add 1.5 liang of Asphaltum (Liqing) to blend uniformly. Form pills the size of longan seeds. First inhale the scent, then apply to the affected area.

Shenjiao Tang (Ginseng and Pepper Soup)
Kushen (Radix Sophorae Flavescentis, 1 liang) Huajiao (Pericarpium Zanthoxyli, 3 qian)
Decoct in rice washing water (Migan Shui). Wash with warm solution. Avoid wind after washing, dry thoroughly, and apply medication.

Erhuang Dan (Two-Yellow Powder) [Formula by Sun Simiao]
Huangbai (Cortex Phellodendri, 5 qian) Qingfen (Calomelas, 1 qian)
Grind together into powder. Fry egg yolk (Jizi Huang) to extract oil, mix with powder, and apply externally. This is suitable for severe pain in pustular scabies lesions; it stops pain and promotes immediate healing.

Jingfang Baidu San (Schizonepeta and Saposhnikovia Decoction to Overcome Toxicity) [General Formula No. 4]
Jinyin San (Honeysuckle Powder) [General Formula No. 70]
Kushen Wan (Sophora Pill) [See previous section on Pox Toxin]