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[Prescription Verse] The manifestations of tinea (Xuan syndrome) are of six types; wind, heat, dampness, and parasites are the root causes. These include dry tinea, wet tinea, wind tinea, psoriasis-like tinea (Niu Pi Xuan), pine-bark tinea (Song Pi Xuan), and knife-cut tinea (Dao Xuan). They tend to appear on the face in spring, resembling rotating peach blossoms.

[Annotation] This condition is generally caused by wind-heat-dampness pathogens invading the skin. After long-term stagnation, excessive wind transforms into parasites, resulting in incessant itching. There are six names: First is dry tinea (Gan Xuan), where scratching produces white scales and the skin becomes dry and withered; second is wet tinea (Shi Xuan), where scratching exudes sticky fluid, spreading like insect movement; third is wind tinea (Feng Xuan), which refers to chronic stubborn tinea that has not healed for years, causing numbness and loss of sensation upon scratching; fourth is psoriasis-like tinea (Niu Pi Xuan), resembling the thick and hard skin of a cow's neck; fifth is pine-bark tinea (Song Pi Xuan), resembling the bark of an old pine tree, with connected red and white spots and intermittent itching; sixth is knife-cut tinea (Dao Xuan), lacking clear boundaries and varying in shape. The general principle is to apply herbs that eliminate parasites, drain dampness, and detoxify. For mild cases, use Yangti Gen San (Alum Root Powder); for chronic stubborn cases, use Bi Xiao San (Surely Effective Powder). In cases where spleen and lung wind-dampness are excessive leading to swelling and pain, it is appropriate to take San Feng Ku Shen Wan (Wind-Dispersing Sophora Pill) to disperse wind-dampness, after which the swelling and pain will subside. Additionally, there is facial wind tinea, initially appearing as excrescences or gradually forming small sores, with intermittent pain and itching, occurring in spring. It is also called Chui Hua Xuan (Blown Flower Tinea), commonly known as Tao Hua Xuan (Peach Blossom Tinea), and is common among women. This is caused by wind-heat in the lungs and stomach rising with yang qi. It is appropriate to take Shu Feng Qing Re Yin (Wind-Dispersing Heat-Clearing Decoction) internally and apply Xiao Feng Yu Rong San (Wind-Dispersing Beauty-Promoting Powder) externally, washing daily for effective results.

Formula: Yangti Gen San (Alum Root Powder)
Composition: Radix Aconiti Lateralis Preparata (Yangti Gen, ground into powder, 8 qian) Alum (Ku Bai Fan, 2 qian)
Grind together uniformly, mix with rice vinegar, and apply to the affected area.

[Prescription Verse] Yangti Gen San applies to various tinea; alum root combined with alum, two ingredients ground into powder with rice vinegar, applied to lesions to drain dampness and cure itching.

Another Formula: Bi Xiao San (Surely Effective Powder)
Composition: Cortex Hibisci Mutabilis (Chuan Jin Pi, 4 liang) Cortex Erythrinae (Hai Tong Pi) Rhizoma et Rhizoma Imperatae (Da Huang, each 2 liang) Fermented Tea Brick (Bai Yao Jian, 1.4 liang) Semen Crotonis (Ba Dou, oil removed, 1.5 qian) Mylabris (Ban Mao, whole, 1) Realgar (Xiong Huang) Calomelas (Qing Fen, each 4 qian)
Grind into extremely fine powder. Mix with Yin-Yang water (a mixture of fresh rainwater and well water). Scratch the lesion slightly, apply thinly. Wait for the medicine to fall off naturally when dry.

[Prescription Verse] Bi Xiao San contains Da Huang and Bai Yao Jian, Chuan Jin, Hai Tong, Ba Dou, Ban Mao, Xiong Huang, Qing Fen mixed with Yin-Yang water, applied to treat chronic stubborn tinea.

Another Formula: San Feng Ku Shen Wan (Wind-Dispersing Sophora Pill)
Composition: Radix Sophorae Flavescentis (Ku Shen, 4 liang) Rhizoma et Rhizoma Imperatae (Da Huang, stir-fried until fragrant) Radix Saposhnikoviae (Fang Feng) Fructus Aurantii (Zhi Ke, bran-fried) Radix Scrophulariae (Yuan Shen) Radix Angelicae Pubescentis (Du Huo) Radix Coptidis (Huang Lian, each 2 liang) Cortex Phellodendri (Huang Qin) Fructus Gardeniae (Zhi Zi, raw) Flos Chrysanthemi (Ju Hua, each 1 liang)
Grind into fine powder, bind with refined honey to make pills the size of paulownia seeds. Take 30 pills per dose, swallowed with plain boiled water after meals. Take three times daily, with tea or wine acceptable.

[Prescription Verse] San Feng Ku Shen Wan addresses excess wind-dampness, often accompanied by itchy, swollen, and painful tinea; it contains Da Huang, Huang Qin, Du Huo, Fang Feng, Zhi Ke, Yuan Shen, Zhi Zi, Ju Hua, and Huang Lian.

Another Formula: Shu Feng Qing Re Yin (Wind-Dispersing Heat-Clearing Decoction)
Composition: Radix Sophorae Flavescentis (Ku Shen, soaked in wine, steamed and sun-dried nine times, stir-fried yellow, 2 qian) Scorpio (Quan Xie, soil-fried) Spina Gleditsiae (Zao Ci) Fructus Gleditsiae Sinensis (Zhu Ya Zao Jiao) Radix Saposhnikoviae (Fang Feng) Herba Schizonepetae (Jing Jie Sui) Flos Lonicerae (Jin Yin Hua) Periostracum Cicadae (Chan Tui, stir-fried, each 1 qian)
Add one zhong of rice wine and one zhong of water, plus three cun of scallion white. Decoct to one zhong, strain. Take hot. Avoid stimulating foods (fa wu).

[Prescription Verse] Shu Feng Qing Re Yin treats wind tinea, characterized by persistent pain and itching; it contains Ku Shen, Quan Xie, Zao Ci, Zhu Ya Zao, Fang Feng, Jing Jie, Jin Yin Hua, and Chan Tui.

Another Formula: Xiao Feng Yu Rong San (Wind-Dispersing Beauty-Promoting Powder)
Composition: Semen Phaseoli Radiati (Lu Dou Mian, 3 liang) Flos Chrysanthemi Indici (Bai Ju Hua) Rhizoma Typhonii (Bai Fu Zi) Radix Angelicae Dahuricae (Bai Zhi, each 1 liang) Boiled White Salt (Ao Bai Yan Yan, 5 qian)
Grind into fine powder, add 5 fen of borneol (Bing Pian), grind uniformly, and store. Use daily for face washing instead of soap.

[Prescription Verse] Xiao Feng Yu Rong San uses Lu Dou Mian, Bai Ju Hua, Bai Fu Zi, Bai Zhi, and salt; ground with Bing Pian to replace soap, removing wind and curing tinea is paramount.