论曰 疡之病。其状斑驳。点点相连而圆。大概似白驳而稍微也。皆由风邪热气。搏于
脾肺经。流散肌肉使然也。
治 疡风。颈面斑驳。乌蛇散方
乌蛇（酒浸去皮骨炙二两） 秦艽（去苗土） 芎 （各一两半） 桂（去粗皮） 羌
活（去芦
麻防风（
参（二两）
上一十九味。捣罗为散。每日温酒调下三钱匕。食后临卧服。
治 疡风。面颔颈项。忽生斑驳。其状如癣。雄黄散涂方
雄黄 硫黄 白矾（并研如粉各一分）
上三味。合令匀。以炼成猪脂调和。涂疮上。
治 疡风。及赤白癜风。硫黄散涂方
硫黄（研半两） 砒霜（研） 腻粉（各一分） 苍耳实（一合为末）
上四味细研。入生姜汁半合。调令匀。少少涂之。匀令近口。
治 疡风。身体斑驳。附子散涂方
附子（一枚大者去皮生用） 硫黄（研半两） 苍耳苗（一握干者）
上三味。捣研为末。以米醋调。先以布巾揩疡上。即以药涂之。干更涂。
治 疡风。状似白癜。乌蛇散方
乌蛇（一条酒浸去皮骨炙）
上一味。捣罗为散。炒黑豆半合。以无灰酒浸去滓。取豆酒调服三钱匕。空心食前服。
治 疡风。油麻酒方
油麻（不拘多少净择生用）
上一味。取半合。生细嚼。用热酒三合至五合下。每空心午时夜卧。各一服。渐加至一
合。服一百日疾愈。
治 疡风。面颊颈项。忽生斑驳如癣。巴豆涂方
巴豆（去皮生用一分） 酽醋（一合）
上二味。先以新布揩令赤。于故沙盆内。用醋磨巴豆如稀膏。涂于患上。
治 疡遍身斑驳。女葳膏摩方
女葳（一分） 附子（一枚去皮脐生用） 鸡舌香（研半两） 木香（半两） 白芷（一
分）
上五味。捣研极细和匀。以腊月猪膏七合。于微火上煎熔。去滓投前药末。煎三四沸。
入研麝香一分。搅调复煎三上三下。膏成瓷器收贮。每用少许摩之。
治 疡风。硫黄涂方
硫黄（一两半） 雄黄（半两） 砂（研） 附子（生各一两）
上四味。捣研为细末。以苦酒调涂之。干即易。
Discussion: The disease known as Yang Feng (Leprosy-like skin disorder) presents with mottled lesions on the skin, appearing as connected dots that are circular. Generally resembling Bai Bo Feng (Vitiligo), but slightly lighter in color. This is caused by the binding of Wind Pathogen and Heat Evil, which invade the Spleen Meridian and Lung Meridian, and disperse into the muscles.
Treatment for Yang Feng, presenting with mottled lesions on the neck and face, using Wushe San Formula:
Wushe (Black Snake, soaked in wine, skin and bones removed, roasted, two liang) Qinjiao (Gentianae Radix, remove seedlings and soil) Xiong (Ligustici Chuanxiong Rhizoma, one and a half liang each) Gui (Cinnamomi Ramulus, remove coarse bark) Qianghuo (Notopterygii Rhizoma et Radix, remove rhizome head) Mahuang (Ephedrae Herba, remove joints) Fangfeng (Saposhnikoviae Radix, remove rhizome head) Renshen (Ginseng Radix et Rhizoma, two liang).
The above nineteen ingredients are crushed, sifted, and made into a powder. Take three qianbi (measure unit) mixed with warm wine daily, after meals and before bedtime.
Treatment for Yang Feng, presenting with sudden mottled lesions on the face, chin, neck, and nape, resembling tinea, using Xionghuang San external application formula:
Xionghuang (Realgar) Liuhuang (Sulfur) Baifan (Alumen, all ground into powder, one fen each).
The above three ingredients are mixed evenly. Blend with refined lard (Porcine Adipose) and apply to the sores.
Treatment for Yang Feng, as well as Chi Bai Dian Feng (Red and White Vitiligo), using Liuhuang San external application formula:
Liuhuang (Sulfur, ground, half liang) Pishuang (Arsenic Trioxide, ground) Nifen (Calomel, one fen each) Can'er Shi (Xanthii Fructus, one he, ground into powder).
The above four ingredients are finely ground. Add half a he of Ginger Juice (Zingiberis Rhizoma Recens Juice), mix evenly. Apply sparingly, spreading evenly near the mouth.
Treatment for Yang Feng, presenting with mottled lesions on the body, using Fuzi San external application formula:
Fuzi (Aconiti Lateralis Radix Praeparata, one large piece, skin removed, used raw) Liuhuang (Sulfur, ground, half liang) Can'er Miao (Xanthii Herba, one handful, dried).
The above three ingredients are crushed and ground into powder. Mix with Rice Vinegar. First wipe the lesion with a cloth until red, then apply the medicine. Reapply when dry.
Treatment for Yang Feng, symptoms resembling Vitiligo, using Wushe San Formula:
Wushe (Black Snake, one strip, soaked in wine, skin and bones removed, roasted).
The above single ingredient is crushed, sifted, and made into a powder. Stir-fried Soybean (Sojae Semen Preparatum) half a he is soaked in non-ash wine, filtered to remove dregs. Take three qianbi of the powder mixed with the bean-wine infusion, taken on an empty stomach before meals.
Treatment for Yang Feng, using Youma Jiu Formula:
Youma (Sesami Fructus Niger, black sesame seed, any amount, cleaned and used raw).
Take half a he of the above single ingredient, chew thoroughly while raw, and swallow with three to five he of hot wine. Take one dose each time on an empty stomach, at noon, and before sleep. Gradually increase to one he. After taking for one hundred days, the disease will be cured.
Treatment for Yang Feng, presenting with sudden mottled lesions on the cheeks, neck, and nape resembling tinea, using Badou external application formula:
Badou (Crotonis Fructus, skin removed, used raw, one fen) Yan Cu (Strong Vinegar, one he).
The above two ingredients: first wipe the affected area with a new cloth until red. Then, in an old clay pot, grind Badou with vinegar into a thin paste. Apply to the lesion.
Treatment for generalized mottled Yang Feng, using Nuwei Gao massage ointment:
Nuwei (Polygonati Odorati Rhizoma, also known as Yuzhu, one fen) Fuzi (Aconiti Lateralis Radix Praeparata, one piece, skin and umbilicus removed, used raw) Jitexiang (Syzygii Aromatisati Flos, also known as Dingxiang, ground, half liang) Muxiang (Aucklandiae Radix, half liang) Baizhi (Angelicae Dahuricae Radix, one fen).
The above five ingredients are crushed and ground extremely fine, then mixed evenly. Melt seven he of lard collected in the twelfth lunar month over low heat. Filter out the dregs, add the aforementioned powder, and boil for three to four boils. Add one fen of ground Moschus (Musk), stir and mix, then boil again, stirring up and down repeatedly. Once the ointment is formed, store it in a porcelain vessel. Use a small amount to massage the affected area each time.
Treatment for Yang Feng, using Liuhuang external application formula:
Liuhuang (Sulfur, one and a half liang) Xionghuang (Realgar, half liang) Sha (Cinnabaris, ground) Fuzi (Aconiti Lateralis Radix Praeparata, used raw, one liang each).
The above four ingredients are crushed and ground into a fine powder. Mix with Ku Jiu (Vinegar) and apply. Change when dry.