四味异功散
松香（炼老） 生矾 枯矾 银粉
各等分，研细。先将 猪汤或米泔水熬，洗去净疮靥，拭干秽水，干则麻油调搽，湿则干掺。
面上黄水疮。
酸枣 荆芥 羊胡（各 灰存性，一钱） 铅粉（五钱）
研细。先以槐条煎水洗净，将药敷上，其疮自好。
洗法（岐天师）
雄黄 防风（各五钱）
水十碗，敷滚去渣取汁洗疮，即愈。
又方 铅粉用菜油调涂磁盘内，多卷纸板点着合熏，时时搅匀，待遍黄听用，将靥剥去搓上，立愈。
又方（周氏抄方） 雄猪胆一个，黄柏一两浸，焙干为末，掺之。
又方 松香研细，真麻油调搽。
又方 银粉井水调涂碗底，以艾团烧烟熏转绿色，刮下研细，湿则干掺，干则油调搓。
申斗垣曰∶香瓣疮又名浸淫疮，初生甚小，先痒后痛，汁出浸淫，湿烂肌肉，延
及遍身，多生面上耳边。（《启玄》）
面上耳边香瓣疮。
羊须 荆芥 干枣（去核，各 存性，三钱）
研细，入银粉五分，每用少许油调，先以温汤洗净，拭干涂上即愈。
小儿身上起白累如珠缀，一二日即
破，脓水外流痒甚，一处方好，一处又起。如意草捣烂敷之，以长布缚定，一夜即安。
又方 鸡蛋壳 存性，研细，猪油调搽。
又方 紫草一钱，麻油浸，先搽一块，好了再搽一块。
Siwei Yigong San (Four-Ingredient Extraordinary Efficacy Powder)
Larixis Resina (Songxiang, Pine Resin) (refined aged), Mingfan (Raw Alum), Kufan (Burnt Alum), Yinfen (Silver Powder).
Take equal parts of each, grind into fine powder. First, boil and wash with pork fat soup or rice washing water to remove crusts completely, wipe dry the exudate. If dry, mix with Sesami Oleum (Hemp Seed Oil) for application; if wet, apply dry powder directly.
For impetigo on the face.
Zaosu (Semen Ziziphi Spinosae, Spinous Date Seed), Jingjie (Herba Schizonepetae, Schizonepeta Herb), Yanghu (Sheep Beard), Qianfen (Lead Powder) (each carbonized but retaining efficacy, 3 qian), Yinfen (Silver Powder) (5 qian).
Grind into fine powder. First wash with decoction of Sophora branch, then apply the powder; the lesion will heal naturally.
Washing Method (by Master Qi)
Xionghuang (Realgar), Fangfeng (Radix Saposhnikoviae, Divaricate Saposhnikovia Root) (each 5 qian).
Use ten bowls of water, boil, strain, and use the juice to wash the lesions; they will heal immediately.
Another prescription: Mix Qianfen (Lead Powder) with Caiyou (Vegetable Oil) and spread in a porcelain dish. Roll cardboard, ignite it, and smoke the mixture under cover. Stir occasionally until it turns entirely yellow. Remove the crusts, rub the powder on, and it will heal instantly.
Another prescription (from Zhou's manuscript): One male pig gallbladder, soak with Huangbai (Cortex Phellodendri Amurensis, Amur Corktree Bark) (1 liang), bake dry, grind into powder, and sprinkle on the lesion.
Another prescription: Grind Songxiang (Pine Resin) finely, mix with Zhen Mazhong You (True Hemp Seed Oil), and apply.
Another prescription: Mix Yinfen (Silver Powder) with well water, spread on the bottom of a bowl, smoke with Ai Tuan (Mugwort Ball) until it turns green, scrape off, grind into fine powder. If wet, apply dry powder; if dry, mix with oil and rub.
Shen Douyuan stated: Xiangban Chuang (Fragrant Petal Ulcer) is also known as Jinyin Chuang (Spreading Ulcer). It begins small, initially itching then becoming painful, with exudate spreading and causing maceration of muscles, extending over the whole body, often appearing on the face and around the ears. (From *Qixuan*)
For Xiangban Chuang on the face and around the ears.
Yangxu (Sheep Whiskers), Jingjie (Schizonepeta Herb), Gan Zao (Dried Jujube) (pitted, each carbonized but retaining efficacy, 3 qian).
Grind into fine powder, add Yinfen (Silver Powder) (0.5 qian). Take a small amount each time, mix with oil. First wash with warm water, wipe dry, and apply; it will heal.
When children develop white bumps on their bodies like beads strung together, which rupture after one or two days, leaking pus and causing severe itching, healing in one place while appearing in another: Mash Ruyi Cao (Plantain Herb) and apply as a poultice, bind firmly with a long cloth, and relief comes within one night.
Another prescription: Carbonize Ji Dan Ke (Eggshell), grind finely, mix with Zhuyou (Pork Fat) and apply.
Another prescription: Zicao (Radix Arnebiae/Lithospermi, Purple Gromwell Root) (1 qian), soak in Mazhong You (Hemp Seed Oil). Apply to one area first; once healed, apply to the next area.