自足踝起至足趺底指止，一切痈疽、疔毒，皆汇于此部中，以便检阅参治。
《心法》曰∶风疽生足胫骨及曲凹之处，瘙痒皮损，津流黄汁，极其粘浓，此由风
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
增肿痛，宜服防风汤，外涂青竹大豆油即效。
青竹大豆油（《金鉴》） 青竹筒截三尺长，径一寸半，内装黑豆一升，以谷糠马
粪二物烧火，当竹筒中炙之，以瓷器两头接取，倘出油汁，以渍入泔水和盐，热洗
患处，拭干即涂豆油，不过三度极效。
《灵枢》云∶发于内踝，名曰走缓。其状痈色不变，数石其输而止其寒热，不死。
王肯堂曰∶足内踝生痈，名曰鞋带痈，由寒湿滞于足阳明与足厥阴经，血涩气阻所致。（《准绳》）
\r内踝疽\p04-a41a193.bmp\r
祛湿消邪汤（岐天师）
薏苡仁（二两） 生甘草（三钱） 金银花 蒲公英 当归（各一钱）
水煎服。（此湿热也，祛湿清邪汤主之。盖湿气必下受，而水流必下行，薏苡去湿而利关节之气，金银
花去火毒之邪，助之以生甘草，则邪易散而湿易退矣。然而血虚则水气易侵，湿邪易入，今用当归以补其血，血
足水无所侵，而湿难入，故用之合宜，而病可速效也。）
\r外踝疽\p04-a41a194.bmp\r
王肯堂曰∶外踝疽又名脚拐毒，生足外踝，属足少阳胆经，足太阳膀胱经，湿热下注。（《准绳》）
申斗垣曰∶脚拐毒又名鞋带疽，乃膀胱经寒湿注于皮肤，伤于筋骨，平常不觉，
久则疽发于两踝是也。（《启玄》）
《心法》曰∶外踝疽属三阳经脉络也，由湿寒下注，血涩气阻而成。其坚硬漫肿，
皮色不变，时时隐痛，难于行走，宜服内托羌活汤。若虚弱将欲作脓，跳痛无时者，俱服十全大补汤。（《金鉴》）
从足踝部开始直到足背底部及脚趾为止，这一区域内发生的一切痈疽、疔毒，都汇集在此部分中，以便于查阅和参考治疗。
《医宗心法》说：风疽生于小腿胫骨以及关节弯曲凹陷之处，皮肤瘙痒破损，流出黄色汁液，质地极其粘稠浓稠，这是由于风邪停留在血脉中与正气相搏结而形成的。因为病根深固，所以称为“疽”。严重时会出现身体烦热、头昏目眩，肌肉透红，并增加肿痛症状，适宜服用防风汤，外部涂抹青竹大豆油即可见效。
青竹大豆油（出自《医宗金鉴》）：截取三尺长、直径一寸半的青竹筒，内部装入一升黑豆，用谷糠和马粪两种燃料生火，在竹筒内部炙烤它，用瓷器在两头承接流出的液体。如果流出油汁，将其浸入淘米水中并加入盐，加热后清洗患处，擦干后立即涂抹豆油，不超过三次即有极佳的疗效。
《灵枢》说：发于内踝部位的，名叫“走缓”。其症状表现为痈肿颜色没有改变，多次针刺其输穴以停止寒热症状，不会死亡。王肯堂说：足内踝生痈，名叫“鞋带痈”，是由寒湿停滞在足阳明胃经与足厥阴肝经，导致血液涩滞、气机阻塞所致。（出自《医学准绳六要》）
[图片：内踝疽]
祛湿消邪汤（岐天师方）
薏苡仁（二两） 生甘草（三钱） 金银花 蒲公英 当归（各一钱）
用水煎服。（这是湿热证，主方为祛湿清邪汤。大概湿气必然从下部受邪，而水流必然向下行，薏苡仁能祛除湿气并通利关节之气，金银花能清除火毒之邪，辅以生甘草，则邪气容易消散而湿气容易退去。然而血虚则水气容易侵袭，湿邪容易进入，现在使用当归来补血，血充足则水气无法侵袭，湿邪难以进入，所以使用它非常合适，疾病可以迅速见效。）
[图片：外踝疽]
王肯堂说：外踝疽又名“脚拐毒”，生于足外踝部位，属于足少阳胆经和足太阳膀胱经，由湿热下注引起。（出自《医学准绳六要》）
申斗垣说：“脚拐毒”又名“鞋带疽”，是膀胱经的寒湿注入皮肤，损伤筋骨，平时不觉得疼痛，时间久了疽就会发于双踝处。（出自《外科启玄》）
《医宗心法》说：外踝疽属于三阳经脉络，由湿寒下注，导致血液涩滞、气机阻塞而形成。其症状坚硬漫肿，皮色不变，时常隐痛，难以行走，适宜服用内托羌活汤。如果体质虚弱即将化脓，出现无时不有的跳痛症状，都应当服用十全大补汤。（出自《医宗金鉴》）
From the ankle joint down to the sole of the foot and toes, all types of carbuncles (deep-seated suppurative infections), sores, and Ding poison (hard, deep-rooted boils) are collected in this section for easy reference and treatment consultation.
The *Xinfa* states: Feng Ju (Wind Carbuncle) arises on the tibia and at concave joints, characterized by itching, skin damage, and the exudation of yellow fluid that is extremely viscous and thick. This is caused by Wind pathogen lingering in the blood vessels and clashing with healthy Qi. Due to its deep root, it is named "Ju". In severe cases, it presents with bodily restlessness and heat, dizziness, redness penetrating the muscles, and increased swelling and pain. It is advisable to take Fangfeng Tang (Saposhnikovia Decoction) externally applied with Qingzhu Dadou You (Green Bamboo Soybean Oil) for immediate effect.
Qingzhu Dadou You (from *Jian*) : Cut a green bamboo tube three chi long with a diameter of one and a half cun. Fill it with one sheng of black beans. Use bran and horse manure as fuel to roast the inside of the bamboo tube. Collect the liquid using porcelain vessels at both ends. If oil juice is extracted, soak it in rice washing water with added salt, heat it, and wash the affected area. After drying, apply the bean oil immediately. Not more than three applications will yield extreme efficacy.
The *Lingshu* says: Eruptions occurring at the medial malleolus are named Zouhuan (Wandering Slowness). The condition manifests as a carbuncle with unchanged skin color. Repeatedly needling the Shu points to halt chills and fever ensures survival without death. Wang Kentang states: Carbuncle arising at the medial malleolus of the foot is named Xiedai Yong (Shoelace Carbuncle). It is caused by Cold-Dampness stagnating in the Foot-Yangming Stomach Meridian and Foot-Jueyin Liver Meridian, resulting in sluggish blood flow and obstructed Qi circulation. (*Zhunsheng*)
[Image: Medial Malleolus Carbuncle]
Qushi Xiaoxie Tang (Decoction to Dispel Dampness and Eliminate Evil, by Master Qi)
Yiyiren (Coix Seed) (2 liang) Sheng Gancao (Raw Licorice Root) (3 qian) Jinyinhua (Honeysuckle Flower) Pugongying (Dandelion) Danggui (Angelica Sinensis) (1 qian each)
Decoct in water and take orally. (This is a Damp-Heat syndrome, primarily treated with Qushi Qingxie Tang. Generally, Dampness is acquired from below, and water flows downward. Yiyiren removes dampness and promotes Qi flow in the joints; Jinyinhua eliminates Fire-Toxin evil; assisted by Sheng Gancao, the evil disperses easily and dampness retreats. However, Blood deficiency allows Water-Qi to invade easily and Damp-Evil to enter. Now, Danggui is used to tonify Blood. When Blood is sufficient, Water-Qi cannot invade, and Damp-Evil finds it hard to enter. Thus, its use is appropriate, and the disease can be cured rapidly.)
[Image: Lateral Malleolus Carbuncle]
Wang Kentang states: Waihuai Ju (Lateral Malleolus Carbuncle), also known as Jiaoguai Du (Ankle Deformity Poison), arises at the lateral malleolus of the foot. It belongs to the Foot-Shaoyang Gallbladder Meridian and Foot-Taiyang Bladder Meridian, caused by the downward pouring of Damp-Heat. (*Zhunsheng*)
Shen Douyuan states: Jiaoguai Du, also known as Xiedai Ju (Shoelace Carbuncle), is Cold-Dampness from the Bladder Meridian pouring into the skin, injuring the sinews and bones. Usually unnoticed, after a long time, the Ju erupts at both ankles. (*Qixuan*)
The *Xinfa* states: Waihuai Ju involves the collaterals of the Three Yang Meridians. It is formed by the downward pouring of Damp-Cold, leading to sluggish blood and obstructed Qi. The symptoms include hardness, diffuse swelling, unchanged skin color, occasional dull pain, and difficulty walking. It is advisable to take Neituo Qianghuo Tang (Internal Support Notopterygium Decoction). If the patient is weak and suppuration is imminent, presenting with intermittent throbbing pain, Shiquan Dabu Tang (Comprehensive Great Tonifying Decoction) should be taken. (*Jian*)