治痈疽发背已溃，排脓生肉方。
当归 桂心（各二两） 人参 川芎 浓朴 防风 甘草 白芷 桔梗（各一两）
上九味治下筛，酒服方寸匕，日三夜二。未瘥更服勿绝。（《外台》无防风、甘草、白
芷）
又方 治痈疽发背方。
蜀椒 干姜 黄芩 人参（各二分） 桂心（一分） 白蔹 甘草 附子 防风（各一
两）
川芎（二两） 小豆（一合半）
上十一味治下筛，酒服方寸匕，日三夜二。
治痈疽发背及小小瘰 方。
李根皮（一升） 栝蒌根 半夏（各五两） 通草 白蔹 桔梗 浓朴 黄芩 附子（各
一
两） 甘草 当归（各二两） 葛根（三两） 桂心 芍药（各四两） 川芎（六两）
上十五味治筛，酒服方寸匕，日三。疮大困者，夜再服之。曾有人患骨从疮中出，兼有
三十余痈疖，服此散瘥。
治发背痈肿，经年瘥后复发，此因大风或结气在内，经脉闭塞至夏月以来出攻于背，
久不治，积聚作脓血为疮内漏方。
山茱萸 五味子 茯苓 干姜（各一分） 甘草 石斛 人参 桂心 芍药（各三分） 巴
戟天 麦门冬 干地黄 肉苁蓉 远志（各八分） 当归 石苇 川芎（各四分） 附子（二
分）
地胆
上二十味治下筛，酒服方寸匕，日三夜一。稍加之。长服终身不患痈疖。
治发背方∶
用乱发灰，酒服方寸匕，亦治瘭疽。
又方 猪脂敷上，日四五度，亦治发乳。（《救急方》云∶取猪羊脂切作片，冷水浸贴
上，暖易之，五六十片，瘥。若初贴，少许即寒，寒定好眠甚妙）。
又方 三年醋滓，微火煎令稠，和牛脂敷上。
又方 猪狗牙烧灰，醋和敷上，日三四易。
又方 烧古蚌灰，以鸡子白和敷之，日三易。
又方 饮铁浆二升，取利，（见本论中）。
又方 蛇头灰醋和敷，日三易。
又方 烧鹿角灰，醋和敷之，日四五易。
治疗痈疽发背已经溃破，排出脓液、促进新肉生长的方剂。
当归、桂心（各二两）、人参、川芎、浓朴、防风、甘草、白芷、桔梗（各一两）。
以上九味药捣碎过筛，用酒送服一方寸匕，白天三次，夜间两次。病未痊愈继续服用，不要中断。（《外台秘要》中无防风、甘草、白芷）
又一方：治疗痈疽发背的方剂。
蜀椒、干姜、黄芩、人参（各二分）、桂心（一分）、白蔹、甘草、附子、防风（各一两）、川芎（二两）、小豆（一合半）。
以上十一味药捣碎过筛，用酒送服一方寸匕，白天三次，夜间两次。
治疗痈疽发背以及小型瘰疬的方剂。
李根皮（一升）、栝蒌根、半夏（各五两）、通草、白蔹、桔梗、浓朴、黄芩、附子（各一两）、甘草、当归（各二两）、葛根（三两）、桂心、芍药（各四两）、川芎（六两）。
以上十五味药捣碎过筛，用酒送服一方寸匕，白天三次。疮口较大且病情严重者，夜间再加服两次。曾经有人患骨从疮口中长出，同时伴有三十多个痈疖，服用此散后痊愈。
治疗发背痈肿，经过一年才痊愈后又复发，这是因为大风邪气或郁结之气在体内，导致经脉闭塞，到了夏季以来，邪气外出攻冲于背部，长期不治疗，积聚化脓血形成疮疡内漏的方剂。
山茱萸、五味子、茯苓、干姜（各一分）、甘草、石斛、人参、桂心、芍药（各三分）、巴戟天、麦门冬、干地黄、肉苁蓉、远志（各八分）、当归、石苇、川芎（各四分）、附子（二分）、地胆。
以上二十味药捣碎过筛，用酒送服一方寸匕，白天三次，夜间一次。逐渐增加剂量。长期服用终身不得痈疖。
治疗发背的方剂：
使用乱发烧成的灰，用酒送服一方寸匕，也治疗瘭疽。
又一方：用猪脂敷在上面，每天四五次，也治疗发乳。（《救急方》说：取猪羊脂切成片，用冷水浸泡后贴敷，变暖后更换，用五六十片，病愈。如果初次贴敷，稍感寒冷，寒冷定下来后好好睡觉非常妙）。
又一方：使用三年的醋渣，用微火煎至稠厚，混合牛脂敷在上面。
又一方：将猪狗牙烧成灰，用醋调和敷在上面，每天三四次更换。
又一方：烧古蚌壳成灰，用鸡蛋清调和敷在上面，每天三次更换。
又一方：饮用铁浆二升，以产生泻下效果为度（见本论中）。
又一方：蛇头烧成灰，用醋调和敷在上面，每天三次更换。
又一方：烧鹿角成灰，用醋调和敷在上面，每天四五次更换。
Treatment for carbuncles and sores on the back that have already ulcerated, a formula to drain pus and generate flesh.
Danggui (Angelicae Sinensis Radix), Guixin (Cinnamomi Ramulus) (each 2 liang), Renshen (Ginseng Radix et Rhizoma), Chuanxiong (Ligustici Chuanxiong Rhizoma), Houpo (Magnoliae Officinalis Cortex), Fangfeng (Saposhnikoviae Radix), Gancao (Glycyrrhizae Radix et Rhizoma), Baizhi (Angelicae Dahuricae Radix), Jiegeng (Platycodonis Radix) (each 1 liang).
Process the above nine herbs, sift them, and administer one fangcun bi (a square-inch measure) with wine, three times during the day and twice at night. If not cured, continue taking it without interruption. (Waitai Miyao does not include Fangfeng, Gancao, and Baizhi).
Another formula: Treatment for carbuncles and sores on the back.
Shujiao (Zanthoxyli Pericarpium), Ganjiang (Zingiberis Rhizoma), Huangqin (Scutellariae Radix), Renshen (Ginseng Radix et Rhizoma) (each 2 fen), Guixin (Cinnamomi Ramulus) (1 fen), Bailian (Trollii Radix), Gancao (Glycyrrhizae Radix et Rhizoma), Fuzi (Aconiti Lateralis Radix Praeparata), Fangfeng (Saposhnikoviae Radix) (each 1 liang), Chuanxiong (Ligustici Chuanxiong Rhizoma) (2 liang), Xiaodou (Phaseoli Semen) (1.5 he).
Process the above eleven herbs, sift them, and administer one fangcun bi with wine, three times during the day and twice at night.
Treatment for carbuncles and sores on the back as well as small scrofula (luoli).
Ligenpi (Li Radix), Gualougen (Trichosanthis Radix), Banxia (Pinelliae Rhizoma) (each 5 liang), Tongcao (Tetrapanacis Medulla), Bailian (Trollii Radix), Jiegeng (Platycodonis Radix), Houpo (Magnoliae Officinalis Cortex), Huangqin (Scutellariae Radix), Fuzi (Aconiti Lateralis Radix Praeparata) (each 1 liang), Gancao (Glycyrrhizae Radix et Rhizoma), Danggui (Angelicae Sinensis Radix) (each 2 liang), Gegen (Puerariae Lobatae Radix) (3 liang), Guixin (Cinnamomi Ramulus), Shaoyao (Paeoniae Radix Alba) (each 4 liang), Chuanxiong (Ligustici Chuanxiong Rhizoma) (6 liang).
Process the above fifteen herbs, sift them, and administer one fangcun bi with wine, three times during the day. For large ulcers with severe condition, take it twice more at night. There was once a person whose bone protruded from the wound, accompanied by more than thirty carbuncles and boils; after taking this powder, he recovered.
Treatment for back carbuncles that healed after a year but recurred. This is due to severe wind pathogens or stagnant qi internally causing blockage of the meridians. From summer onwards, the pathogen attacks outward on the back. If left untreated for a long time, accumulation turns into pus and blood, forming an internal leaking sore. Formula:
Shanzhuyu (Corni Fructus), Wuweizi (Schisandrae Chinensis Fructus), Fuling (Poria), Ganjiang (Zingiberis Rhizoma) (each 1 fen), Gancao (Glycyrrhizae Radix et Rhizoma), Shihu (Dendrobii Caulis), Renshen (Ginseng Radix et Rhizoma), Guixin (Cinnamomi Ramulus), Shaoyao (Paeoniae Radix Alba) (each 3 fen), Bajitian (Morindae Officinalis Radix), Maimendong (Ophiopogonis Tuber), Dihuang (Rehmanniae Radix Preparata), Rongzhu (Cistanches Herba), Yuanzhi (Polygalae Radix) (each 8 fen), Danggui (Angelicae Sinensis Radix), Shiwei (Pyri Folium), Chuanxiong (Ligustici Chuanxiong Rhizoma) (each 4 fen), Fuzi (Aconiti Lateralis Radix Praeparata) (2 fen), Dichan (Mylabris).
Process the above twenty herbs, sift them, and administer one fangcun bi with wine, three times during the day and once at night. Gradually increase the dose. Long-term use prevents carbuncles and boils for life.
Formula for treating back carbuncles:
Use ash from burnt hair, administered with wine in a measure of one fangcun bi. It also treats phrenoid abscesses (biaoju).
Another formula: Apply pig lard on top, four to five times daily. It also treats breast carbuncles. (Jiuji Fang states: Take pig or mutton fat, cut into slices, soak in cold water, apply to the site, replace when warm, using fifty to sixty slices until cured. If initially applied, slight coldness occurs; once the cold settles, sleeping well is excellent).
Another formula: Use vinegar dregs aged three years, simmer over low heat until thick, mix with beef tallow, and apply.
Another formula: Burn pig and dog teeth to ash, mix with vinegar, apply, and change three to four times daily.
Another formula: Burn ancient clam shells to ash, mix with egg white, apply, and change three times daily.
Another formula: Drink two sheng of iron slurry, aiming for purgation (see discussion in this chapter).
Another formula: Burn snake heads to ash, mix with vinegar, apply, and change three times daily.
Another formula: Burn deer horns to ash, mix with vinegar, apply, and change four to five times daily.