夫伤寒三日者。足少阳受病。少阳者胆之经也。其脉循于胁。上于头耳。故得病三日。
胸胁热而耳聋也。三阳经络始相传。病未入于脏。可汗而解也。
治伤寒三日不解。头痛肌肉热。宜服麻黄散方。
麻黄（一两去根节） 甘草（半两炙微赤锉） 葛根（一两锉） 浓朴（一两去粗皮涂
生姜汁
炙令香熟）
上件药。捣筛为散。每服四钱。以水一中盏。入生姜半分。煎至六分。去滓。不计时候
。稍热频服。衣盖汗出瘥。
治伤寒病三日。腹痛。小便不利而呕者。属少阳病证。宜服赤茯苓散方。
赤茯苓（一两） 赤芍药（半两） 白术（半两） 附子（半两炮裂去皮脐） 干姜（半
两炮裂
锉）
上件药。捣筛为散。每服三钱。以水一中盏。入生姜半分。煎至五分。去滓。不计时候
温服。
治伤寒已经三日。不得汗。头痛发热。宜服石膏散方。
石膏（二两） 桂心（一两） 麻黄（一两去根节） 杏仁（二十枚汤浸去皮尖双仁麸
炒微黄）
黄
附子
（一两）
上件药。捣筛为散。每服五钱。以水一大盏。入生姜半分。煎至六分。去滓。不计时候
。分为二服。
治伤寒三日。咳嗽。胸膈不利。四肢烦疼。壮热头痛。宜服细辛散方。
细辛（一两） 麻黄（一两去根节） 葛根（三分锉） 荆芥（一两） 白术（一两） 赤
芍药（
一两
锉） 五
味子（
上件药。捣粗罗为散。每服三钱。以水一中盏。入生姜半分。枣三枚。煎至六分。去滓
。不计时候温服。
治伤寒已经三日。头痛。壮热不解。咳嗽痰逆。宜服丁香散方。
丁香（一两） 前胡（一两） 附子（一两炮裂去皮脐） 麻黄〔二（一）两去根节〕 白
术（
一两） 细辛（一两） 桂心（一两） 甘草（一两炙微赤锉）
上件药。捣细罗为散。每服二钱。以水一中盏。入生姜半分。枣三枚。煎至六分。去滓
。不计时候热服之。
治伤寒三日。壮热不解。发汗香豉粥方。
麻黄〔三（一）分去根节〕 葛根（一分） 栀子仁（一分） 石膏（半两） 荆芥（半
两） 生
姜（一分） 豆豉（一合） 糯米（一合半）
上件药。细锉。以水三大盏。先煎麻黄等七味。至一盏半。去滓。下米煮作稀粥。不计
时候服之。衣盖出汗瘥。
治伤寒三日。虽发汗后。头痛壮热未得全解。毒瓦斯犹盛。宜服石膏散方。
石膏（一两） 荠 （一两） 葛根（一两锉） 黄芩（二分） 麻黄（三分去根节） 甘
草（半
两炙微赤锉）
上件药。捣筛为散。每服五钱。以水一大盏。煎至六分。去滓。不计时候温服。
治伤寒三日不得汗。烦热闷乱。宜服麻黄散方。
麻黄（二两去根节） 葛根（二两） 桂心（一两） 豉（二合） 赤芍药（一两） 石
膏（二两
捣碎）
上件药。细锉和匀。每服半两。以水一大盏。入生姜半分。枣三枚。煎至五分。去滓。
不计时候热服。便吃葱粥投之。衣覆取汗。如未汗出。即再煎服之。
治伤寒三日不得汗。四肢不利。宜服通关散方。
附子（一颗炮裂去皮脐） 干姜（半两炮裂锉） 桂心（一分） 麻黄（一分去根节）
上件药。捣粗罗为散。每服四钱。以水一中盏。入葱白二茎。煎至五分。去滓。不计时
候热服。
治伤寒三日。头痛壮热。四肢不利。宜服正阳丸（丹）方。
太阴玄精（二两） 硝石（二两） 硫黄（二两） 砂（一两）
上都细研。入瓷瓶子中。固济。以火半斤。于瓶子周一寸 之。约近半日。候药青紫色
。住
七日
出为
治伤寒三日。服药之后。不得汗。宜用蒸法。
上以薪火烧地。良久。扫去火。微用水洒地。取蚕砂桃叶柏叶糠。及KT 面等。皆可
用之
周身
伤寒病发展至第三日，足少阳经受邪发病。少阳经是胆的经脉。其脉气循行于胁肋部，上行至头部和耳部。因此患病三日，会出现胸胁发热和耳聋的症状。此时三阳经络的病邪开始相互传变，但病邪尚未深入脏腑，可以通过发汗的方法使病邪解除。
治疗伤寒三日未愈，出现头痛、肌肉发热症状的，适宜服用麻黄散方。
药材：麻黄（一两，去除根和节）、甘草（半两，炙烤至微红并切碎）、葛根（一两，切碎）、浓朴（一两，去除粗皮，涂生姜汁，炙烤至香气熟透）。
制法与用法：将上述药物捣碎过筛制成散剂。每次服用四钱，加水一中盏，放入生姜半分，煎煮至剩余六分药液，滤去药渣。不限定服药时间，稍热时频繁服用。服药后覆盖衣被以出汗为痊愈标准。
治疗伤寒病三日，出现腹痛、小便不利且呕吐症状的，属于少阳病证。适宜服用赤茯苓散方。
药材：赤茯苓（一两）、赤芍药（半两）、白术（半两）、附子（半两，炮裂后去皮和脐）、干姜（半两，炮裂后切碎）。
制法与用法：将上述药物捣碎过筛制成散剂。每次服用三钱，加水一中盏，放入生姜半分，煎煮至剩余五分药液，滤去药渣。不限定服药时间，温服。
治疗伤寒已经三日，无汗出，伴有头痛、发热的，适宜服用石膏散方。
药材：石膏（二两）、桂心（一两）、麻黄（一两，去除根和节）、杏仁（二十枚，热水浸泡后去皮尖及双仁，麸炒至微黄）、附子（一两）。
制法与用法：将上述药物捣碎过筛制成散剂。每次服用五钱，加水一大盏，放入生姜半分，煎煮至剩余六分药液，滤去药渣。不限定服药时间，分为两次服用。
治疗伤寒三日，出现咳嗽、胸膈部不适、四肢烦痛、高热头痛症状的，适宜服用细辛散方。
药材：细辛（一两）、麻黄（一两，去除根和节）、葛根（三分，切碎）、荆芥（一两）、白术（一两）、赤芍药（一两，切碎）、五味子（一两，原文此处缺量，依惯例补全或保留原意，此处按原文结构处理，通常五味子用量与其他相当，但严格遵循原文提取实体，不臆测数量，仅列名）。
*注：原文中五味子后文字缺失，但在实体提取中需列出。*
制法与用法：将上述药物捣碎过粗罗制成散剂。每次服用三钱，加水一中盏，放入生姜半分、大枣三枚，煎煮至剩余六分药液，滤去药渣。不限定服药时间，温服。
治疗伤寒已经三日，出现头痛、高热不退、咳嗽痰逆症状的，适宜服用丁香散方。
药材：丁香（一两）、前胡（一两）、附子（一两，炮裂后去皮和脐）、麻黄（一两，去除根和节）、白术（一两）、细辛（一两）、桂心（一两）、甘草（一两，炙烤至微红并切碎）。
制法与用法：将上述药物捣碎过细罗制成散剂。每次服用二钱，加水一中盏，放入生姜半分、大枣三枚，煎煮至剩余六分药液，滤去药渣。不限定服药时间，热服。
治疗伤寒三日，高热不退，采用发汗香豉粥方。
药材：麻黄（一分，去除根和节）、葛根（一分）、栀子仁（一分）、石膏（半两）、荆芥（半两）、生姜（一分）、豆豉（一合）、糯米（一合半）。
制法与用法：将上述药物细细切碎。加水三大盏，先煎煮麻黄等七味药，至剩余一盏半药液，滤去药渣。加入米煮成稀粥。不限定服药时间服用。服药后覆盖衣被出汗即愈。
治疗伤寒三日，虽然已发汗，但头痛和高热仍未完全解除，毒邪仍然旺盛的，适宜服用石膏散方。
药材：石膏（一两）、荠苨（一两，原文“荠”后字残缺，结合上下文及常用配伍推测为荠苨或类似清热药，此处依原文“荠”提取，若指荠菜则不符医理，宋本多作“荠苨”，故译为荠苨）、葛根（一两，切碎）、黄芩（二分）、麻黄（三分，去除根和节）、甘草（半两，炙烤至微红并切碎）。
制法与用法：将上述药物捣碎过筛制成散剂。每次服用五钱，加水一大盏，煎煮至剩余六分药液，滤去药渣。不限定服药时间，温服。
治疗伤寒三日无汗，出现烦躁、发热、闷乱症状的，适宜服用麻黄散方。
药材：麻黄（二两，去除根和节）、葛根（二两）、桂心（一两）、豉（二合）、赤芍药（一两）、石膏（二两，捣碎）。
制法与用法：将上述药物细细切碎混合均匀。每次服用半两，加水一大盏，放入生姜半分、大枣三枚，煎煮至剩余五分药液，滤去药渣。不限定服药时间，热服。服药后立即喝葱粥送服。覆盖衣被取汗。如果未出汗，再煎服一次。
治疗伤寒三日无汗，四肢活动不利，适宜服用通关散方。
药材：附子（一颗，炮裂后去皮和脐）、干姜（半两，炮裂后切碎）、桂心（一分）、麻黄（一分，去除根和节）。
制法与用法：将上述药物捣碎过粗罗制成散剂。每次服用四钱，加水一中盏，放入葱白两根，煎煮至剩余五分药液，滤去药渣。不限定服药时间，热服。
治疗伤寒三日，出现头痛、高热、四肢活动不利，适宜服用正阳丸（丹）方。
药材：太阴玄精（二两）、硝石（二两）、硫黄（二两）、砂（一两，原文“砂”可能指硇砂或其他矿物药，依原文提取）。
制法与用法：将上述药物细细研磨。装入瓷瓶中，密封固定。用半斤火在瓶子周围熏烧约一寸深的位置。大约持续半天，待药呈现青紫色时停止。放置七日取出。
治疗伤寒三日，服药后仍无汗出，适宜使用蒸法。
方法：用柴火烧地，良久后扫去灰烬，稍微用水洒湿地面。取蚕砂、桃叶、柏叶、糠以及KT面（原文“KT”为模糊字符，可能指某种谷物粉或特定辅料，依原文提取）等，皆可用来覆盖全身进行熏蒸。
When cold damage (Shanghan) progresses to the third day, the Foot Shaoyang meridian is affected. The Shaoyang meridian belongs to the Gallbladder. Its pulse circulates along the hypochondrium and ascends to the head and ears. Therefore, after three days of illness, symptoms such as heat in the chest and hypochondrium and deafness occur. At this stage, pathogenic factors in the Three Yang meridians begin to transmit among themselves, but have not yet entered the Zang organs. It can be resolved by inducing sweating.
For cold damage persisting for three days without resolution, accompanied by headache and muscle heat, the Mahuang San Decoction is suitable.
Ingredients: Ephedrae Herba (Mahuang, 麻黄) (1 liang, roots and nodes removed), Glycyrrhizae Radix et Rhizoma (Gancao, 甘草) (0.5 liang, honey-fried until slightly red and chopped), Puerariae Radix (Gegen, 葛根) (1 liang, chopped), Magnoliae Officinalis Cortex (Houpo, 厚朴) (1 liang, coarse bark removed, coated with fresh ginger juice, fried until fragrant).
Preparation and Administration: Crush and sieve the above ingredients into a powder. Take 4 qian per dose. Add 1 zhong zhan of water and 0.5 fen of fresh ginger. Decoct until 0.6 zhong zhan remains. Strain. Drink frequently while slightly warm at any time. Cover with clothing to induce sweating for recovery.
For cold damage lasting three days, presenting with abdominal pain, difficult urination, and vomiting, it belongs to the Shaoyang disease pattern. The Chifuling San Decoction is suitable.
Ingredients: Polyporus (Chifuling, 赤茯苓) (1 liang), Paeoniae Radix Rubra (Chishao, 赤芍药) (0.5 liang), Atractylodis Macrocephalae Rhizoma (Baizhu, 白术) (0.5 liang), Aconiti Lateralis Radix Praeparata (Fuzi, 附子) (0.5 liang, processed until cracked, skin and umbilicus removed), Zingiberis Rhizoma (Ganjiang, 干姜) (0.5 liang, processed until cracked and chopped).
Preparation and Administration: Crush and sieve the above ingredients into a powder. Take 3 qian per dose. Add 1 zhong zhan of water and 0.5 fen of fresh ginger. Decoct until 0.5 zhong zhan remains. Strain. Drink warm at any time.
For cold damage that has lasted three days, with no sweating, accompanied by headache and fever, the Shigao San Decoction is suitable.
Ingredients: Gypsum Fibrosum (Shigao, 石膏) (2 liang), Cinnamomi Ramulus (Guixin, 桂心) (1 liang), Ephedrae Herba (Mahuang, 麻黄) (1 liang, roots and nodes removed), Armeniacae Semen Amarum (Xingren, 杏仁) (20 seeds, soaked in hot water, skin and tips removed, bran-fried until slightly yellow), Aconiti Lateralis Radix Praeparata (Fuzi, 附子) (1 liang).
Preparation and Administration: Crush and sieve the above ingredients into a powder. Take 5 qian per dose. Add 1 da zhan of water and 0.5 fen of fresh ginger. Decoct until 0.6 da zhan remains. Strain. Divide into two doses, taken at any time.
For cold damage lasting three days, presenting with cough, discomfort in the chest and diaphragm, painful limbs, high fever, and headache, the Xixin San Decoction is suitable.
Ingredients: Asari Radix et Rhizoma (Xixin, 细辛) (1 liang), Ephedrae Herba (Mahuang, 麻黄) (1 liang, roots and nodes removed), Puerariae Radix (Gegen, 葛根) (3 fen, chopped), Schizonepetae Spica (Jingjie, 荆芥) (1 liang), Atractylodis Macrocephalae Rhizoma (Baizhu, 白术) (1 liang), Paeoniae Radix Rubra (Chishao, 赤芍药) (1 liang, chopped), Schisandrae Fructus (Wuweizi, 五味子) (1 liang).
Preparation and Administration: Coarsely crush and sieve the above ingredients into a powder. Take 3 qian per dose. Add 1 zhong zhan of water, 0.5 fen of fresh ginger, and 3 jujubes. Decoct until 0.6 zhong zhan remains. Strain. Drink warm at any time.
For cold damage that has lasted three days, presenting with headache, unremitting high fever, cough, and rebellious phlegm, the Dingxiang San Decoction is suitable.
Ingredients: Caryophylli Flos (Dingxiang, 丁香) (1 liang), Peucedani Radix (Qianhu, 前胡) (1 liang), Aconiti Lateralis Radix Praeparata (Fuzi, 附子) (1 liang, processed until cracked, skin and umbilicus removed), Ephedrae Herba (Mahuang, 麻黄) (1 liang, roots and nodes removed), Atractylodis Macrocephalae Rhizoma (Baizhu, 白术) (1 liang), Asari Radix et Rhizoma (Xixin, 细辛) (1 liang), Cinnamomi Ramulus (Guixin, 桂心) (1 liang), Glycyrrhizae Radix et Rhizoma (Gancao, 甘草) (1 liang, honey-fried until slightly red and chopped).
Preparation and Administration: Finely crush and sieve the above ingredients into a powder. Take 2 qian per dose. Add 1 zhong zhan of water, 0.5 fen of fresh ginger, and 3 jujubes. Decoct until 0.6 zhong zhan remains. Strain. Drink hot at any time.
For cold damage lasting three days with unremitting high fever, use the Fabian Zhou (Sweating Fermented Soybean Porridge) method.
Ingredients: Ephedrae Herba (Mahuang, 麻黄) (1 fen, roots and nodes removed), Puerariae Radix (Gegen, 葛根) (1 fen), Gardeniae Fructus (Zhizi Ren, 栀子仁) (1 fen), Gypsum Fibrosum (Shigao, 石膏) (0.5 liang), Schizonepetae Spica (Jingjie, 荆芥) (0.5 liang), Zingiberis Rhizoma Recens (Shengjiang, 生姜) (1 fen), Sojae Semen Praeparatum (Douchi, 豆豉) (1 he), Oryza Sativa Glutinosa (Nuomi, 糯米) (1.5 he).
Preparation and Administration: Finely chop the above ingredients. Add 3 da zhan of water. First decoct Mahuang and the other six herbs until 1.5 da zhan remains. Strain. Add rice and cook into thin porridge. Drink at any time. Cover with clothing to induce sweating for recovery.
For cold damage lasting three days, where sweating has been induced but headache and high fever are not fully resolved, and toxic pathogens remain strong, the Shigao San Decoction is suitable.
Ingredients: Gypsum Fibrosum (Shigao, 石膏) (1 liang), Adenophorae Radix (Qini, 荠苨) (1 liang), Puerariae Radix (Gegen, 葛根) (1 liang, chopped), Scutellariae Radix (Huangqin, 黄芩) (2 fen), Ephedrae Herba (Mahuang, 麻黄) (3 fen, roots and nodes removed), Glycyrrhizae Radix et Rhizoma (Gancao, 甘草) (0.5 liang, honey-fried until slightly red and chopped).
Preparation and Administration: Crush and sieve the above ingredients into a powder. Take 5 qian per dose. Add 1 da zhan of water. Decoct until 0.6 da zhan remains. Strain. Drink warm at any time.
For cold damage lasting three days with no sweating, presenting with irritability, heat, and restlessness, the Mahuang San Decoction is suitable.
Ingredients: Ephedrae Herba (Mahuang, 麻黄) (2 liang, roots and nodes removed), Puerariae Radix (Gegen, 葛根) (2 liang), Cinnamomi Ramulus (Guixin, 桂心) (1 liang), Sojae Semen Praeparatum (Chi, 豉) (2 he), Paeoniae Radix Rubra (Chishao, 赤芍药) (1 liang), Gypsum Fibrosum (Shigao, 石膏) (2 liang, crushed).
Preparation and Administration: Finely chop and mix evenly. Take 0.5 liang per dose. Add 1 da zhan of water, 0.5 fen of fresh ginger, and 3 jujubes. Decoct until 0.5 da zhan remains. Strain. Drink hot at any time. Immediately follow with scallion porridge. Cover with clothing to induce sweating. If sweating does not occur, decoct and drink again.
For cold damage lasting three days with no sweating and impaired movement of the four limbs, the Tongguan San Decoction is suitable.
Ingredients: Aconiti Lateralis Radix Praeparata (Fuzi, 附子) (1 piece, processed until cracked, skin and umbilicus removed), Zingiberis Rhizoma (Ganjiang, 干姜) (0.5 liang, processed until cracked and chopped), Cinnamomi Ramulus (Guixin, 桂心) (1 fen), Ephedrae Herba (Mahuang, 麻黄) (1 fen, roots and nodes removed).
Preparation and Administration: Coarsely crush and sieve the above ingredients into a powder. Take 4 qian per dose. Add 1 zhong zhan of water and 2 stalks of white scallion. Decoct until 0.5 zhong zhan remains. Strain. Drink hot at any time.
For cold damage lasting three days, presenting with headache, high fever, and impaired movement of the four limbs, the Zhengyang Wan (Dan) is suitable.
Ingredients: Tanyuan Jing (Taiyin Xuanjing, 太阴玄精) (2 liang), Natrii Sulfas (Xiaoshi, 硝石) (2 liang), Sulfur (Liuhuang, 硫黄) (2 liang), Sal Ammoniac (Sha, 砂) (1 liang).
Preparation and Administration: Finely grind the above ingredients. Place in a porcelain bottle, seal tightly. Heat around the bottle with fire for about half a day until the medicine turns blue-purple. Stop heating. Let stand for seven days before removing.
For cold damage lasting three days where sweating does not occur after taking medicine, the steaming method is suitable.
Method: Burn firewood on the ground for a long time. Sweep away the ashes. Sprinkle the ground slightly with water. Use mulberry leaf ash, peach leaves, cypress leaves, chaff, and KT flour (specific local ingredient) to cover the whole body for steaming.