臀痈 五爪龙草连根捣汁，酒冲服，日进四五次，脓从大便出。未成者立消，已
成脓者以渣敷上，立消。洗臀痈溃后并治股疮。
苦参 金银花 白芷 当归 黑皮硝（各等分）
绢包，砂铫内煎浓汁，先熏后洗。
消臀痈。
金银花（四两） 甘草节（一两）
熬膏，每日空心和酒服。渣留煎汤熏洗。
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陈实功曰∶痤痱疮者俗名坐板疮。生于两股，密如撒粟，尖如芒刺，痒痛非常，
浑身毛刺。此因热体见风，毛窍所闭，或因患疮湿热留结于此。洗用苦参汤，甚者
皮损粘衣，治以鹅黄散主之。（《正宗》）
蒋示吉曰∶坐板疮或有因久坐卑湿之地，或坐烈日石上，酿成湿热，皆能致之。（《说约》）
申斗垣曰∶此乃脾经湿热，湿毒郁久而成，最痛最痒。况股乃至阴之所，血亦
罕来，药力少至，当用外治之药治之。（《启玄》）
《心法》曰∶坐板疮一名风疳。
苦参汤 治坐板疮作痒，抓之又疼，坐如糠稳，难以安睡。
苦参（四两） 大菖蒲（二两）
河水五瓢，同煎数滚，添水二瓢盖片时，临洗入公猪胆汁四五枚，淋洗患上，不二三次全愈。愈后避风，忌发物。
又方 槽坊吊大麦酒底水，洗三四次，效。
鹅黄散 治痤痱疮作痒，抓之皮损，随后又疼，用此扑之。
绿豆粉（一两） 黄柏（三钱） 轻粉（二钱） 滑石（五钱）
研细以软绢帛蘸药，扑于患上，止痛收干。
又方
姜黄（一钱） 当归 苦参（各五分） 红花（三分）
用麻油一盏同药熬枯，滤去渣，入研细松香末五钱，搅成嫩膏，日搽二次。忌口味。
又方
麻黄 枯矾 猪油煎枯滤清，以热油擦之。
又方（岐天师）
轻粉（一钱） 冰片（半分） 杏仁（去皮尖十四粒） 萝卜种子（三钱）
研细，擦之。
又方 鸡蛋一个。凿孔入硫黄、明矾细末各三钱，调匀糊口，灰火内 研细，麻油调搽。
又方（《醒斋笔记》）
松香（五钱） 雄黄（一钱） 如湿加苍术（二钱）
研末和匀。棉纸条作捻两个，蜡猪油溶化浸透，火烧滴下油，搽疮上立效。
又方 明矾煎汤洗。
又方 冬青叶、牛舌草煎汤熏洗。
又方
松香（五钱） 雄黄（一钱）
研细。如湿痒加苍术三钱和匀。以棉纸卷成药条，用腊月猪油或麻油浸透，点火烧着，取滴下油搽之。加潮脑治疥。
又方
芫花 川椒 黄柏
熬汤温洗，即消。
毒盛痒痛不止 油缸青布三指宽一条，香油调雄黄末一钱，摊于布上，卷紧燃着，吹灭焰头向疮薰之，痒痛即止。
坐板疮。
朱砂 雄黄（各一钱） 轻粉 枯矾 黄柏（各三钱）
研细。先用川椒煎洗，后搽。
坐板疮并阴囊发痒 陈荷叶煎汤，入白矾洗一二次
坐板疮（陈 友。）生白萝卜捣烂擦之，不过三次。或萝卜子研细擦。
又方 硫黄一块，放豆腐内煮数滚，加苍术各等分，为末。用腌猪油捣烂搽。
[Perineal Carbuncle]
Crush the whole plant of *Paederia scandens* (Wuzhualong) including roots to extract juice, mix with wine for oral administration, taken four or five times daily. Pus will be discharged through the stool. If not yet suppurated, it will dissipate immediately; if already suppurated, apply the dregs topically, and it will also dissipate immediately. This method is also used for washing perineal carbuncles after ulceration and treating groin sores.
Sophora Root (*Kushen*), Honeysuckle Flower (*Jinyinhua*), Angelica Dahurica (*Baizhi*), Chinese Angelica Root (*Danggui*), Black Potash Nitre (*Heipixiao*) (equal parts).
Wrap in silk gauze, decoct in a clay pot to make a concentrated liquid. Fumigate first, then wash. It eliminates perineal carbuncles.
Honeysuckle Flower (*Jinyinhua*, 4 liang), Licorice Node (*Gancao Jie*, 1 liang).
Boil into an ointment/paste. Take orally daily on an empty stomach with wine. Reserve the dregs to decoct in water for fumigation and washing.
[Saddle Sore / Seborrheic Dermatitis of Buttocks]
Chen Shigong stated: "Zuo Ban Chuang" (Saddle Sore), commonly known as such, arises on the thighs. It appears dense like scattered millet grains, sharp like thorns, causing extreme itching and pain, with hair standing on end all over the body. This is caused by wind invading a heat-prone constitution, closing the pores, or by damp-heat lingering from previous sores. For washing, use Kushen Decoction (*Kushen Tang*). For severe cases where skin damage causes clothes to stick, treat primarily with Ehuang San (*Ehuang Powder*). (From *Yi Zong Jin Jian: Zheng Zong*)
Jiang Shiji stated: Saddle sores may result from sitting long periods in damp, low-lying areas, or sitting on stones under the scorching sun, brewing damp-heat, which can cause this condition. (From *Shuo Yue*)
Shen Douyuan stated: This is damp-heat in the Spleen meridian, formed by damp-toxin stagnating for a long time. It is extremely painful and itchy. Moreover, the thighs are a place of extreme Yin, where blood flow is scarce, so medicinal efficacy rarely reaches there. Therefore, external treatments should be used. (From *Qi Xuan*)
*Yi Zong Jin Jian: Xin Fa Yao Jue* states: Saddle sore is also called Feng Gan.
[Kushen Decoction]
Treats saddle sores with itching, pain upon scratching, discomfort when sitting as if on chaff, and difficulty sleeping.
Sophora Root (*Kushen*, 4 liang), Large Acorus Rhizome (*Da Changpu*, 2 liang).
Decoct in five ladles of river water until boiling several times. Add two ladles of water, cover, and let stand briefly. Before washing, add four or five gallbladders from a male pig. Rinse the affected area. Cure within two or three applications. After healing, avoid wind and忌食 (avoid) stimulating foods ("fa wu").
Another prescription: Use the bottom water from barley wine production in breweries. Wash three or four times. Effective.
[Ehuang Powder]
Treats saddle sores with itching, skin damage from scratching, followed by pain. Apply this powder.
Mung Bean Starch (*Lvdou Fen*, 1 liang), Phellodendron Bark (*Huangbai*, 3 qian), Calomel (*Qingfen*, 2 qian), Talcum (*Huashi*, 5 qian).
Grind into fine powder. Dip soft silk gauze into the medicine and dust it onto the affected area to stop pain and dry the lesion.
Another prescription:
Turmeric (*Jianghuang*, 1 qian), Chinese Angelica Root (*Danggui*), Sophora Root (*Kushen*) (each 5 fen), Safflower (*Honghua*, 3 fen).
Simmer one cup of Sesame Oil (*Mayou*) with the herbs until charred. Filter out the dregs. Add 5 qian of finely ground Pine Rosin (*Songxiang*). Stir into a soft paste. Apply twice daily. Avoid strong-flavored foods.
Another prescription:
Ephedra Herb (*Mahuang*), Calcined Alum (*Kufan*). Fry in Pig Fat (*Zhuyou*) until charred, filter clear. Wipe with the hot oil.
Another prescription (Master Qi):
Calomel (*Qingfen*, 1 qian), Borneol (*Bingpian*, 0.5 fen), Apricot Seed (*Xingren*, peeled and cored, 14 grains), Radish Seed (*Luobo Zhongzi*, 3 qian).
Grind into fine powder. Rub onto the affected area.
Another prescription: Take one egg. Drill a hole, insert 3 qian each of finely ground Sulfur (*Liuhuang*) and Alum (*Mingfan*). Seal the hole with paste. Burn in ash fire until fine. Mix with Sesame Oil (*Mayou*) and apply.
Another prescription (*Xing Zhai Bi Ji*):
Pine Rosin (*Songxiang*, 5 qian), Realgar (*Xionghuang*, 1 qian). If dampness is heavy, add Atractylodes Macrocephala (*Cangzhu*, 2 qian).
Grind into powder and mix evenly. Make two wicks from cotton paper strips. Soak them in melted wax and pig fat. Ignite and collect the dripping oil. Apply to the sore for immediate effect.
Another prescription: Decoct Alum (*Mingfan*) in water and wash.
Another prescription: Decoct Wintergreen Leaf (*Dongqing Ye*) and Ox Tongue Grass (*Niushé Cao*) for fumigation and washing.
Another prescription:
Pine Rosin (*Songxiang*, 5 qain), Realgar (*Xionghuang*, 1 qian).
Grind fine. If damp and itchy, add 3 qian of Cangzhu and mix. Roll cotton paper into medicinal sticks. Soak in pig fat from the twelfth lunar month or Sesame Oil. Ignite and collect the dripping oil for application. Adding Camphor (*Chaonao*) treats Scabies (*Jie*).
Another prescription:
Genkwa Flower (*Yuanhua*), Sichuan Pepper (*Chuanjiao*), Phellodendron Bark (*Huangbai*).
Decoct for warm washing. The sore will disappear.
[For Severe Toxicity with Unstopping Itch and Pain]
Take a strip of blue cloth three fingers wide from an oil vat. Mix with 1 qian of finely ground Realgar (*Xionghuang*) using Sesame Oil (*Mayou*). Spread on the cloth, roll tightly, and ignite. Extinguish the flame and fumigate the sore with the smoke. Itch and pain will cease.
[Saddle Sore]
Cinnabar (*Zhusha*), Realgar (*Xionghuang*) (each 1 qian), Calomel (*Qingfen*), Calcined Alum (*Kufan*), Phellodendron Bark (*Huangbai*) (each 3 qian).
Grind fine. First wash with decoction of Sichuan Pepper (*Chuanjiao*), then apply.
[Saddle Sore with Scrotal Itching]
Decoct Chen Lotus Leaf (*Chen Heye*) in water. Add Alum (*Baifan*) and wash once or twice.
[Saddle Sore] (Chen You's prescription): Mash raw white radish and rub on the area. Not more than three times. Or grind radish seeds fine and rub.
Another prescription: Take a piece of Sulfur (*Liuhuang*), boil in tofu for several boils. Add equal parts of Atractylodes Macrocephala (*Cangzhu*). Grind into powder. Mash with pickled pig fat and apply.