夫湿癣者。亦有棱廓。如虫行。浸淫赤湿痒。搔之多汁成疮。是其风毒瓦斯攻注。故为湿
癣也。其里亦有虫生。
治湿癣痒痛不可忍。硫黄散方。
硫黄（半两） 斑蝥（半两去翅足） 龙脑〔一两（钱）〕 腻粉（一分）
上件药。都细研如粉。用面脂调如泥。痒痛时。抓破后。以药揩之。
又方。
乌梅（十四枚用肉） 大蒜（十四枚去皮） 梁上尘（三合） 盐（三合）
上件药相和熟捣。以酽醋一升。浸一宿。涂于癣上。即瘥。
治癣湿痒不可忍。黄连散方。
黄连（一两去须） 胡粉（一两细研） 黄柏（一两锉） 雄黄（半两细研）
上件药。捣细罗为散。都研令匀。先以温浆水洗疮。然后取药敷之。不过三四度瘥。
又方。
螺壳（一两） 乱发灰（半两） 龙胆（半两） 胡粉（半两研）
上件药。捣细罗为散。研入胡粉令匀。以油淀和涂之。
又方。
水银（二两） 黄连（二两去须捣末） 胡粉（二两）
上件药。以炼了腊月猪脂半斤。都研。候水银星尽。便以温浆水洗疮。然后涂之。
又方。
羊蹄根（一两） 黄连〔一两半去须（一两）〕 蛇床子（半两）
上件药。捣罗为末。用腊月猪脂。调如稀饧。涂之。
又方。
腻粉（一两）
上以米醋调涂之。
又方。
鲫鱼（一枚可长五寸者净拭不去鳞）
上用硫黄末一分。从鱼口中送入腹内。用净砖一口。安鱼在上。以炭火周回 之。翻转
令鱼黄焦。碾罗为末。入腻粉三钱。同研令匀。以生麻油调涂之。
又方。
羊蹄跟（半斤）
上件药。日未出时采取。须独茎无枝拨者。净洗细切。捣令极烂。入羊乳相和得所。着
少盐拌和令匀。于日中曝两食久。以涂之。
又方。
上取楮叶半斤。细切捣令极烂。敷于癣上。无不瘥者。
治湿癣搔之有黄汁者。宜敷芦荟散方。
芦荟（半两） 甘草（半两）
上件药。捣罗为末。先用浆水洗癣上讫。用帛 干。便以药敷之。日三五上瘥。
湿癣这种病，也有明显的边界轮廓，感觉像虫子在皮肤下爬行，患处浸润、发红、潮湿且瘙痒，抓挠后流出很多液体并形成疮疡。这是因为风毒之气侵袭注人肌肤，所以称为湿癣。其病灶内部甚至可能有虫滋生。
治疗湿癣瘙痒疼痛难以忍受的方子：硫黄散方。
药材：硫黄（半两）、斑蝥（半两，去掉翅膀和足）、龙脑（一两钱）、腻粉（一分）。
制法与用法：将上述药物都研磨成细粉状。用面脂调和成泥状。当感到瘙痒疼痛时，先抓破患处，然后用药物涂抹擦拭。
另一个方子：
药材：乌梅（十四枚，只用果肉）、大蒜（十四枚，去皮）、梁上尘（三合，即房梁上的灰尘）、盐（三合）。
制法与用法：将上述药物混合在一起充分捣碎。用一升浓醋浸泡一整夜。涂在癣处，即可痊愈。
治疗癣疾湿气重、瘙痒难以忍受的方子：黄连散方。
药材：黄连（一两，去掉须根）、胡粉（一两，细研）、黄柏（一两，切碎）、雄黄（半两，细研）。
制法与用法：将上述药物捣碎并过细筛制成散剂，再研磨均匀。先用温浆水清洗疮口，然后取药粉敷在上面。不超过三四次即可痊愈。
另一个方子：
药材：螺壳（一两）、乱发灰（半两，即烧焦的头发灰）、龙胆（半两）、胡粉（半两，研细）。
制法与用法：将上述药物捣碎过细筛制成散剂，加入胡粉研磨均匀。用油淀调和后涂抹。
另一个方子：
药材：水银（二两）、黄连（二两，去掉须根捣成末）、胡粉（二两）。
制法与用法：用炼好的腊月猪脂半斤，将所有药物一起研磨，直到水银颗粒完全消失不见。然后用温浆水清洗疮口，最后涂上药物。
另一个方子：
药材：羊蹄根（一两）、黄连（一两半，去掉须根，此处括号内注明可用一两）、蛇床子（半两）。
制法与用法：将上述药物捣碎过筛成粉末。用腊月猪脂调和成稀糖状，涂抹患处。
另一个方子：
药材：腻粉（一两）。
制法与用法：用米醋调和后涂抹。
另一个方子：
药材：鲫鱼（一条，长约五寸，清洗干净但保留鱼鳞）。
制法与用法：取一分硫黄末，从鱼口中送入鱼腹内。取一块干净的砖，将鱼放在上面，周围用炭火烘烤。翻转鱼身，直到鱼体内的黄色物质焦化。将其碾碎过筛成粉末，加入三钱腻粉，共同研磨均匀。用生麻油调和后涂抹。
另一个方子：
药材：羊蹄根（半斤）。
制法与用法：在太阳未出来时采摘，必须选择单独茎干、无分枝的植株。洗净后细细切碎，捣烂至极。加入适量羊乳调和，再加少许盐拌匀。在阳光下晾晒两个吃饭的时间长度，然后涂抹患处。
另一个方子：
药材：取楮叶半斤。
制法与用法：细细切碎并捣烂至极，敷在癣处，没有不痊愈的。
治疗湿癣抓挠后有黄色汁液流出的情况，适宜敷用的方子：芦荟散方。
药材：芦荟（半两）、甘草（半两）。
制法与用法：将上述药物捣碎过筛成粉末。先用浆水清洗癣处，用布擦干，然后敷上药物。每天敷三五次即可痊愈。
Damp tinea (Damp Tinea) presents with distinct margins and a sensation resembling insects crawling on the skin. The affected area is infiltrated, erythematous, moist, and pruritic; scratching leads to exudation and ulceration. This condition arises from the invasion and accumulation of wind-toxic qi in the skin, hence termed damp tinea. Parasites may even be generated within the lesion.
Formula for treating unbearable itching and pain caused by damp tinea: Liu Huang San (Sulfur Powder).
Ingredients: Liu Huang (Cinnabaris, Sulfur, 0.5 liang), Ban Mao (Mylabris, Blister Beetle, 0.5 liang, wings and feet removed), Long Nao (Borneolum Syntheticum, Borneol, 1 qian), Ni Fen (Calomelas, Mercurous Chloride, 1 fen).
Preparation and Administration: Grind all ingredients into a fine powder. Mix with Mian Zhi (Facial Fat/Cream) to form a paste. When itching and pain occur, scratch the affected area until broken, then apply the medicine by rubbing.
Another formula:
Ingredients: Wu Mei (Fructus Mume, Plum Fruit, 14 pieces, flesh only), Da Suan (Bulbus Allii Sativi, Garlic, 14 pieces, peeled), Liang Shang Chen (Dust from Roof Beams, 3 he), Yan (Sal, Salt, 3 he).
Preparation and Administration: Mix and thoroughly pound the ingredients. Soak in 1 sheng of strong vinegar overnight. Apply to the tinea lesions; it will heal.
Formula for treating tinea with severe dampness and unbearable itching: Huang Lian San (Coptis Powder).
Ingredients: Huang Lian (Rhizoma Coptidis, Coptis, 1 liang, roots removed), Hu Fen (Cerussa, Basic Lead Carbonate, 1 liang, finely ground), Huang Bo (Cortex Phellodendri, Phellodendron Bark, 1 liang, chopped), Xiong Huang (Realgar, Arsenic Sulfide, 0.5 liang, finely ground).
Preparation and Administration: Pound the ingredients, sieve through a fine mesh to make a powder, and grind uniformly. First wash the ulcer with warm Jiang Shui (fermented rice water), then apply the powder. It usually heals within three to four applications.
Another formula:
Ingredients: Luo Ke (Concha Haliotidis, Abalone Shell, 1 liang), Luan Fa Hui (Ash of Disordered Hair, 0.5 liang), Long Dan (Radix Gentianae, Gentian Root, 0.5 liang), Hu Fen (Cerussa, Basic Lead Carbonate, 0.5 liang, ground).
Preparation and Administration: Pound the ingredients, sieve through a fine mesh to make a powder, add Hu Fen, and grind uniformly. Mix with You Dian (Oil Dregs/Paste) and apply.
Another formula:
Ingredients: Shui Yin (Hydrargyrum, Mercury, 2 liang), Huang Lian (Rhizoma Coptidis, Coptis, 2 liang, roots removed, pounded into powder), Hu Fen (Cerussa, Basic Lead Carbonate, 2 liang).
Preparation and Administration: Combine with 0.5 jin of refined lard from the twelfth lunar month. Grind all together until the mercury granules completely disappear. Wash the ulcer with warm Jiang Shui (fermented rice water), then apply.
Another formula:
Ingredients: Yang Ti Gen (Radix Rumici Japonici, Japanese Dock Root, 1 liang), Huang Lian (Rhizoma Coptidis, Coptis, 1.5 liang, roots removed; note: original text suggests 1 liang), She Chuang Zi (Fructus Cnidii, Cnidium Fruit, 0.5 liang).
Preparation and Administration: Pound and sieve into powder. Mix with lard from the twelfth lunar month to form a thin syrup consistency, then apply.
Another formula:
Ingredients: Ni Fen (Calomelas, Mercurous Chloride, 1 liang).
Preparation and Administration: Mix with Mi Cu (Rice Vinegar) and apply.
Another formula:
Ingredients: Ji Yu (Cyprinus Carpio, Crucian Carp, one piece, approx. 5 cun long, cleaned but scales retained).
Preparation and Administration: Insert 1 fen of Liu Huang (Cinnabaris, Sulfur) powder into the fish's stomach via the mouth. Place the fish on a clean brick. Roast around with charcoal fire, turning the fish until the internal yellow matter is charred. Grind into powder, add 3 qian of Ni Fen (Calomelas, Mercurous Chloride), and grind uniformly. Mix with Sheng Ma You (Hemp Seed Oil) and apply.
Another formula:
Ingredients: Yang Ti Gen (Radix Rumici Japonici, Japanese Dock Root, 0.5 jin).
Preparation and Administration: Harvest before sunrise, selecting single-stemmed plants without branches. Wash cleanly, chop finely, and pound until extremely soft. Mix with an appropriate amount of Sheep Milk (Ovis Aries Lac, Goat/Sheep Milk) and a little salt. Sun-dry for the duration of two meals, then apply.
Another formula:
Ingredients: Qu Ye (Folius Morus Australis, Mulberry Leaf, 0.5 jin).
Preparation and Administration: Chop finely and pound until extremely soft. Apply to the tinea lesions; healing is assured.
Formula suitable for applying when damp tinea yields yellow fluid upon scratching: Lu Hui San (Aloe Powder).
Ingredients: Lu Hui (Aloes, Aloe, 0.5 liang), Gan Cao (Radix Glycyrrhizae, Licorice Root, 0.5 liang).
Preparation and Administration: Pound and sieve into powder. First wash the tinea area with Jiang Shui (fermented rice water), dry with a cloth, then apply the powder. Apply three to five times daily; it will heal.