此由饮食有虾蟆之毒瓦斯，入于腑脏，流于经脉，结肿寒热，因溃成 。服药
，有物随小便出，如虾蟆之状，故谓之虾蟆 也。
蛇 者，由居处饮食有蛇毒瓦斯，入于腑脏，流于经脉，寒热结肿，出处无定，因
溃成 。服药，有物随小便出，如蛇形状，谓之蛇 。
者，由居处饮食有 毒瓦斯，入于腑脏，流于经脉所生。初得
之时，如枣核许，戾契。或满百日，或满周年，走不定一处，成窍而脓汁溃 也。故谓之 。
人有患疮，色赤白分明，因而成 ，谓之赤白 。
人有发疮，色黑有结，内有脓，久乃积生，侵食筋骨，谓之内 。
此由居处饮食有雀毒瓦斯，入于脏，流于脉，发无定处，肿，因溃成 ，服药，有物随小
便出，状如雀HT ，故谓之雀内 。
诸 皆有脓汁，此 独以脓为名者，是诸疮久不瘥，成 ，而重为热毒瓦斯停积生脓，常
不绝，故谓之脓 也。
冷 者，亦是谓疮得风冷，久不瘥，因成 ，脓汁不绝，故为冷 也。
久 者，是诸 连滞，经久不瘥，或暂瘥复发，或移易三两处，更相应通，故为久 也
此由风邪毒瓦斯客于肌肉，随虚处而停，结为瘰 。或如梅、李、枣核等大小，两三相连
在皮间，而时发寒热是也。久则变脓，溃成 也。其汤熨针石，别有正方。补养宣导，今附
《养生方·导引法》云∶ 踞，以两手从内曲脚中入，据地，曲脚加其上，举尻。
其可用行气。愈瘰 、乳痛。
这是由于饮食中摄入了蛤蟆的毒气，进入腑脏，流注于经脉，导致结肿、寒热交替，进而溃烂形成疮疡。服药后，有异物随小便排出，形状像蛤蟆，因此称为蛤蟆瘘。
蛇瘘，是由于居住环境和饮食中摄入了蛇的毒气，进入腑脏，流注于经脉，引起寒热结肿，疮口位置不固定，溃烂后形成疮疡。服药后，有异物随小便排出，形状像蛇，因此称为蛇瘘。
马刀瘘（此处原文缺字，根据上下文及《诸病源候论》原文应为“马刀”或类似名称，但依指令仅翻译可见文本，故译为“...瘘”），是由于居住环境和饮食中摄入了某种毒气，进入腑脏，流注于经脉所致。初起时，如枣核大小，坚硬疼痛。有的满百日，有的满一年，病灶游走不定，不成一处，最终化脓溃烂成疮。因此称为...瘘。
有人发疮，颜色黑且有硬结，内有脓液，日久积聚生长，侵蚀筋骨，称为内瘘。
这是由于居住环境和饮食中摄入了雀鸟的毒气，进入脏腑，流注于脉络，发病部位不固定，出现肿胀，溃烂后形成疮疡。服药后，有异物随小便排出，形状像雀鸟排泄物，因此称为雀内瘘。
各种瘘都有脓汁，唯独这种以“脓”命名的，是因为各种疮疡久治不愈，形成瘘管，又叠加热毒之气停滞积聚产生脓液，脓液常流不绝，因此称为脓瘘。
冷瘘，也是指疮疡感受风冷之邪，久治不愈，因而形成瘘管，脓液不断流出，因此称为冷瘘。
久瘘，是指各种瘘管连绵拖延，经久不愈，有时暂时愈合又复发，或者病灶转移至两三个地方，相互连通，因此称为久瘘。
这是由于风邪毒气客居于肌肉之间，随着身体虚弱之处停留，凝结而成瘰疬。大小如同梅子、李子、枣核等，两三个相连位于皮间，并且时常发作寒热症状。日久则化为脓，溃烂成疮。其汤药熨贴、针刺砭石等方法，另有专门的正方。补益调养和导引功法，现附录于《养生方·导引法》中云：蹲踞，用两手从内侧弯曲脚部插入，支撑地面，弯曲双脚置于其上，抬起臀部。这种方法可用于行气，治愈瘰疬和乳痈。
This is caused by ingesting the toxic qi of frogs through diet, which enters the fu organs and flows into the meridians, resulting in nodular swelling and alternating chills and fever. Subsequently, it ulcerates to form a fistula. After taking medicine, an object resembling a frog is discharged with urine; hence, it is called Frog Fistula (Xia Ma Lou).
Snake Fistula (She Lou) is caused by residing in or consuming food contaminated with the toxic qi of snakes. This toxic qi enters the fu organs and flows into the meridians, causing chills, fever, and nodular swelling. The site of discharge is indefinite. Upon ulceration, it forms a fistula. After medication, an object resembling a snake is discharged with urine; thus, it is named Snake Fistula.
[Missing Character] Fistula is generated by the toxic qi from one's residence and diet entering the fu organs and flowing into the meridians. Initially, when contracted, it is like the size of a jujube pit, hard and painful. It may persist for a hundred days or a year, moving without settling in one place, eventually forming an orifice and discharging pus upon ulceration. Therefore, it is called [Missing Character] Fistula.
Some individuals suffer from sores that are distinctly red and white in color, which subsequently develop into sores, known as Red and White Fistula (Chi Bai Lou).
Some individuals develop sores that are black with indurations, containing pus internally. Over time, these accumulate and grow, invading and consuming the sinews and bones, known as Internal Fistula (Nei Lou).
This is caused by the toxic qi of sparrows entering the zang organs and flowing through the vessels due to residence and diet. The eruption occurs at indefinite locations, accompanied by swelling. Upon ulceration, it forms a sore. After taking medicine, an object resembling sparrow excrement is discharged with urine; hence, it is called Sparrow Internal Fistula (Que Nei Lou).
All types of fistulas produce pus. This type is uniquely named "Pus Fistula" (Nong Lou) because various sores fail to heal for a long time, forming fistulas, and are further compounded by the stagnation and accumulation of hot toxic qi generating pus. The pus flows continuously without cessation; therefore, it is called Pus Fistula.
Cold Fistula (Leng Lou) refers to sores that have contracted wind-cold pathogenic factors, failing to heal for a long time, leading to the formation of a fistula with continuous pus discharge; hence, it is termed Cold Fistula.
Chronic Fistula (Jiu Lou) refers to various fistulas that are persistent and lingering, failing to heal over a long period. They may temporarily heal and then recur, or shift to two or three different locations, becoming interconnected; thus, it is called Chronic Fistula.
This is caused by wind-pathogenic toxic qi lodging in the muscles and stopping at areas of deficiency, condensing to form Scrofula (Luo Li). These nodules vary in size like plums, peaches, or jujube pits, often appearing in clusters of two or three between the skin, accompanied by intermittent chills and fever. Over time, they transform into pus and ulcerate. For treatments involving decoctions, moxibustion/heat application, acupuncture, and stone therapy, there are separate specific formulas. For nourishing and guiding practices, please refer to the *Preservation Formulas · Guiding Methods* (Yang Sheng Fang · Dao Yin Fa), which states: Squat down, insert your bent feet inward using both hands to support the ground, bend your legs to place them on top, and lift your hips. This method can be used to promote the circulation of Qi and cure Scrofula and Breast Abscess (Ru Yong).