鳝漏生在腿肚间，孔如钻眼津水绵，颇类湿疮湿热发，艾汤熏洗觉痒痊。
【注】此证由湿热而成。初起颇类湿疮，生于腿肚，痒痛相兼，破津黄水，绵绵不已，
其孔深如钻眼，复受寒气侵入疮孔，以致口寒肌冷。法宜艾叶、老葱熬汤，每日先熏后
洗。疮口发热觉痒时，即贴黄蜡膏，收敛而愈。
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黄蜡膏（见 疮）
四弯风生腿脚弯，每月一发最缠绵，形如风癣风邪袭，搔破成疮痒难堪。
【注】此证生在两腿弯、脚弯，每月一发，形如风癣，属风邪袭入腠理而成。其痒无度，
搔破津水，形如湿癣，法宜大麦一升熬汤，先熏后洗；次搽三妙散，渗湿杀虫，其痒即止，
缓缓取效。
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三妙散（见腹部脐痈）
风疽生胫曲凹中，痒搔皮损津汁浓，风邪留于血脉内，烦热昏冒肌肿痛。
【注】此证生胫骨及曲凹之处，痒搔皮损，津黄汁，极其粘浓。由风邪留于血脉相搏而
成。因其根深，故有疽名。甚则身体烦热，昏冒，而肌肉透红，更增肿疼。宜服防风汤，外
抹青竹大豆油，即效。
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防风汤
防风 附子（制） 麻黄（蜜炙） 白芷 木通 柴胡 当归（焙） 桔梗 甘草（炙） 羌活（各五分）
共为粗末，水一盅半，煎八分，澄去滓，食后服，临睡再用一服。如欲出汗，俟空心，
头煎落滓，并一服之；后食稀粥、生姜，食毕被覆卧取汗，避风。
【方歌】防风汤疗风热搏，留于血脉津汁破，附子麻黄芷木通，柴胡归桔甘羌活。
青竹大豆油
青竹筒截三尺长，径一寸半，筒内装黑豆一升，以谷糠、马粪二物烧火，当竹筒中
炙之，以瓷碗两头接取油汁。先以清米甘水和盐热洗患处，拭干，即涂豆油，不过三度
极效。
【方歌】青竹筒截三尺长，径要寸半黑豆装，谷糠马粪烧炙筒，风疽搔痒油涂良。
鳝漏生于小腿肚之间，疮孔如同钻眼，渗出津液如丝绵般连绵不断。其症状颇似湿疮，由湿热引发，用艾叶汤熏洗后，瘙痒可愈。
【注】此证由湿热之邪所致。初起时颇似湿疮，生于小腿肚处，瘙痒与疼痛并存，破溃后流出黄色水液，绵绵不绝。疮孔深如钻眼，若寒气侵入疮孔，会导致口部发寒、肌肉冰冷。治疗法则宜用艾叶、老葱熬制汤剂，每日先熏蒸后清洗。当疮口发热且感觉瘙痒时，立即贴上黄蜡膏，使疮口收敛而痊愈。
四弯风生于腿部及脚部的弯曲处（腘窝和膝窝），每月发作一次，病情最为缠绵。形态类似风癣，由风邪侵袭所致，搔抓破溃成疮，瘙痒难忍。
【注】此证生于两腿弯、脚弯，每月发作一次，形态类似风癣，属于风邪侵袭腠理而成。其瘙痒无度，搔抓破溃后流水，形态类似湿癣。治疗法则宜用大麦一升熬汤，先熏蒸后清洗；随后涂抹三妙散，以渗湿杀虫，瘙痒即可停止，缓缓见效。
风疽生于小腿胫骨及弯曲凹陷之处，因瘙痒搔抓导致皮肤破损，渗出汁液浓稠。风邪留滞于血脉之内，导致烦热、头昏目眩、肌肉肿痛。
【注】此证生于胫骨及弯曲凹陷之处，因瘙痒搔抓导致皮肤破损，渗出黄色汁液，极其粘浓。由风邪留滞于血脉中相互搏结而成。因其病根深固，故称为“疽”。严重时身体烦热，头昏目眩，肌肉透红，更加肿胀疼痛。适宜服用防风汤，外部涂抹青竹大豆油，即可见效。
防风汤
组成：防风、附子（制）、麻黄（蜜炙）、白芷、木通、柴胡、当归（焙）、桔梗、甘草（炙）、羌活（各五分）。
用法：共研为粗末，用水一盅半，煎至八分，澄清去渣，饭后服用，临睡前再服一次。如果想要出汗，待空腹时，将头煎的药渣去掉，连同第二次煎好的药液一起服用；之后喝稀粥、吃生姜，吃完后盖被卧床取汗，注意避风。
【方歌】防风汤治疗风热搏结，留于血脉致汁液破出，方中含附子、麻黄、白芷、木通，以及柴胡、当归、桔梗、甘草、羌活。
青竹大豆油
制作：截取三尺长的青竹筒，直径一寸半，筒内装入一升黑豆，用谷糠和马粪两种燃料烧火，在竹筒中炙烤，用瓷碗在两头接取流出的油汁。先用清米甘水和盐热敷洗患处，擦干后，即涂抹豆油，不超过三次，效果极佳。
Shanlou (Eel Fistula) arises between the calf muscles. The sores resemble drilled holes, with exudate flowing continuously like silk floss. Its symptoms are similar to damp-sores (Dampness Sores), caused by damp-heat; fumigation and washing with mugwort decoction can relieve itching and promote healing.
[Note] This condition is caused by damp-heat. Initially, it resembles damp-sores, appearing on the calves with simultaneous itching and pain. Upon rupture, yellow fluid oozes out continuously. The sores are deep like drilled holes; if cold qi invades the sores, it leads to coldness at the opening and cold muscles. The treatment method involves boiling mugwort leaves and old scallions in water for daily fumigation followed by washing. When the sore becomes hot and itchy, apply Yellow Wax Ointment immediately to astringe the wound and achieve healing.
Sibafeng (Four-Bend Wind) arises in the bends of the legs and feet (popliteal fossa and knee creases). It occurs once a month and is most lingering in nature. Its appearance resembles wind-xuan (Wind Lichen), caused by wind pathogen invading the body surface. Scratching breaks the skin into sores, causing unbearable itching.
[Note] This condition appears in the bends of both legs and feet, occurring once a month. Its shape resembles wind-xuan, resulting from wind pathogen invading the interstices (Couli). The itching is extreme; scratching causes fluid discharge, resembling damp-lain (Damp Lichen). The treatment method involves boiling one sheng of barley in water for fumigation and washing first; then applying Sanmiao Powder to drain dampness and kill parasites, which stops the itching and yields gradual results.
Fengju (Wind Carbuncle) arises in the concave areas of the lower leg tibia. Itching and scratching damage the skin, producing thick, viscous exudate. Wind pathogen remains within the blood vessels, causing irritability, fever, dizziness, and muscle swelling and pain.
[Note] This condition arises in the tibia and concave areas. Itching and scratching damage the skin, producing yellow, extremely viscous exudate. It is formed by wind pathogen remaining in the blood vessels and fighting with physiological Qi. Due to its deep root, it is named "Ju" (Carbuncle). In severe cases, the body experiences irritability and fever, dizziness, redness penetrating the muscles, and increased swelling and pain. It is suitable to take Fangfeng Decoction internally and apply Green Bamboo Soybean Oil externally for effective results.
Fangfeng Decoction
Ingredients: Fangfeng (Saposhnikoviae Radix), Fuzi (Prepared Aconiti Lateralis Radix), Mahuang (Honey-fried Ephedrae Herba), Baizhi (Angelicae Dahuricae Radix), Mutong (Akebiae Caulis), Chaihu (Bupleuri Radix), Danggui (Roasted Angelicae Sinensis Radix), Jiegeng (Platycodonis Radix), Gancao (Roasted Glycyrrhizae Radix), Qianghuo (Notopterygii Rhizoma et Radix) (each 5 fen).
Usage: Grind all ingredients into coarse powder. Add one and a half zhang of water, decoct until eight fen remains. Clarify and remove dregs. Take after meals, and again before sleep. If sweating is desired, take the combined dose (after removing dregs from the first decoction) while fasting. Afterward, consume thin porridge and ginger, then cover with blankets and lie down to induce sweating, avoiding wind.
[Fangge Verse] Fangfeng Decoction treats wind-heat binding, leaving fluids broken in blood vessels; it contains Fuzi, Mahuang, Baizhi, Mutong, Chaihu, Danggui, Jiegeng, Gancao, and Qianghuo.
Green Bamboo Soybean Oil
Preparation: Cut a green bamboo tube three chi long with a diameter of one and a half cun. Fill the tube with one sheng of black soybeans. Burn rice bran and horse manure as fuel to roast the bamboo tube. Collect the oil juice using porcelain bowls at both ends. First, wash the affected area with warm water mixed with sweet rice water and salt, dry it, and then apply the bean oil. Not exceeding three applications yields excellent results.
[Fangge Verse] Cut a three-chi long green bamboo tube, fill it with one cun-and-a-half diameter containing black beans; burn rice bran and horse manure to roast the tube, applying this oil is beneficial for wind-jue itching.