验方 初起用飞罗面放掌心内，以旋汲井华水调稀滴暑痘上，自消。
又方 石蟹水磨敷，自消。
蒋示吉曰∶此乃暑邪血热所致，初起不发寒热，高肿于皮肤之间，浅而小，最
大不过一二寸者，名曰疖，俗呼疖子。（《说约》）
李东垣曰∶有因微热外攻而发于皮肤之上，高肿热痛，此热疖也。（《精义》）
验方（《精义》）
大黄 朴硝（各等分）
为末。醋调敷。
热疖 五月五日午时取独蒜切片贴眉心，至夏不发。
热疖 菊花根捣汁，无灰酒冲服。疖在上身空心服，疖在下体饱服，自消。采二蚕桑叶滴下之水点上，愈。
顽疖不溃 人乳调白面敷之，不久即溃。
疖久不敛 白术槿花 存性，研末搓之。
热疖神效膏 麻油四两熬成珠，再入松香末四两，炒黄丹二两，搅成膏摊贴。
初起热疖 枯矾研细，香油调敷。
顽疖久不出头 生巴豆仁半粒，同饭捣成饼，贴疖上，明日即出脓。
软脓疖乃暑伏三阳，因循延漫所致。
翠玉膏 软脓疖脓水逗流，愈而复发。
明松香（四两） 铜绿（二两） 猪胆（三个） 麻油（三钱）
先将松香熔化，入油令沸，再下胆汁铜绿搅匀，入水中以手扯拔去火毒，瓷盒
收贮，用绯光绢量疮大小摊贴，不必更换，听其自落。
又方
萆麻仁 松香（各等分）
捣膏贴之，发可复生。
烂疖久不愈者。
青锻石 铸铜杓罐子（各等分）
研细，菜油调搽。
又方
川铜绿（一两，研末）
地沥青熬膏摊布上贴之，即消。
又方 红柿子皮贴之自干。
软疖 大芋头捣烂敷。
又方 陈明瓦（天窗上者。） 研，清油调搓。
Prescription: At the initial stage of a boil, place refined wheat flour (Feiluo mian) in the palm, dilute it with water drawn from a well (Jinghua shui), and drip it onto the heat-induced carbuncle; it will resolve spontaneously.
Another prescription: Grind stone crab (Shixie) into a liquid paste for topical application; it will resolve spontaneously.
Jiang Shiji stated: This condition is caused by summerheat pathogen combined with blood heat. Initially, there are no chills or fever. The swelling is high and protrudes between the skin layers, being superficial and small, with a maximum diameter of one to two cun. It is named "boil" (Jie), commonly referred to as "jiezi". (From *Yu Yi Shuo Yue*)
Li Dongyuan stated: Some cases arise from slight heat attacking outwardly, manifesting on the skin as high swelling, heat, and pain; this is called "heat boil" (Re jie). (From *Yu Yi Jing Yi*)
Prescription (from *Yu Yi Jing Yi*):
Rhubarb Rhizome et Radix (Dahuang) and Mirabilite (Puxiao) (in equal proportions).
Grind into powder. Mix with vinegar for topical application.
For Heat Boil: On the noon hour of the fifth day of the fifth lunar month, slice a single-clove garlic and apply it to the glabella (Yintang area); it prevents recurrence during summer.
For Heat Boil: Crush the root of Chrysanthemum indicum (Juhua gen) to extract juice, and take it mixed with unadulterated wine. If the boil is located on the upper body, take it on an empty stomach; if on the lower body, take it after a meal; it will resolve spontaneously. Collect the water dripping from mulberry leaves eaten by two silkworms and apply drops to the affected area; it will heal.
For Stubborn Boils Not Ulcerating: Mix human milk (Renru) with white flour for topical application; it will ulcerate shortly.
For Boils Not Healing/Contracting for Long Periods: Process Atractylodes Macrocephala Rhizome (Baizhu) and Hibiscus mutabilis Flower (Jinhua) until they retain their original properties (Cunxing), grind into powder, and rub on the lesion.
Divine Efficacy Ointment for Heat Boils: Simmer 4 liang of Sesame Oil (Mayou) until it forms beads, then add 4 liang of Pine Rosin Powder (Songxiang mo) and 2 liang of Calcined Red Lead (Chao Huangdan). Stir to form an ointment for patch application.
For Initial Heat Boils: Grind Alum (Kufan) finely, mix with sesame oil for topical application.
For Stubborn Boils Persistently Without Pus Head: Take half a kernel of raw Croton Seed (Sheng Badou ren), mash it with rice into a cake, and apply it to the boil; pus will emerge the next day.
Soft suppurative boils are caused by summerheat lurking in the Three Yang meridians, spreading due to neglect and delay.
Cuiyu Ointment: Used for soft suppurative boils where pus flows continuously, recurs after healing.
Bright Pine Rosin (Mingsongxiang, 4 liang), Malachite (Tonglv, 2 liang), Pig Gallbladder (Zhudan, 3 units), Sesame Oil (Mayou, 3 qian).
First melt the pine rosin, add oil and bring to a boil, then add gallbladder juice and malachite, stirring evenly. Immerse in water and pull/manipulate by hand to remove fire toxicity. Store in a porcelain jar. Apply using crimson silk gauze sized to the wound; do not change frequently, allowing it to fall off naturally.
Another prescription:
Castor Bean (Bimaren) and Pine Rosin (Songxiang) (in equal proportions).
Mash into a paste for application; this can prevent recurrence.
For Foul Boils Not Healing for Long Periods:
Green Smelted Stone (Qingduanshi) and Copper Ladle/Pot fragments (Zhutong shao guanzi) (in equal proportions).
Grind finely, mix with rapeseed oil for application.
Another prescription:
Sichuan Malachite (Chuanchonglv, 1 liang, ground to powder).
Boil Asphaltenum (Diqingting) into an ointment, spread on cloth, and apply; it will resolve.
Another prescription: Apply persimmon peel (Hongshizi pi); it will dry out spontaneously.
For Soft Boils: Mash large taro (Dayutou) and apply.
Another prescription: Use aged glazed roof tiles (Chenmingwa, specifically those from skylights), grind finely, mix with clear oil, and rub.