肺伤寒一证，方书多不载，误人甚多，与少阴证同，但不出汗而愈，每发于正二腊月间，亦头疼，肢节痛，
发热恶寒，咳嗽脉紧，与伤寒略同，但多咳嗽耳。不宜汗，服姜附汤，三日而愈。若素虚之人，邪气深入则昏
睡谵语，足指冷，脉浮紧，乃死证也。急灸关元三百壮，可生，不灸必死，服凉药亦死，盖非药可疗也。（肺
伤寒之证，今人多认为重伤风，非温平误事，即寒凉杀人。予于此证略有分晓，然不免因人检点，苟遇知己用
之无疑，应酬通治，不过姜甘桂辛而已。设概用姜附，往往遭人谤毁。）
治验
一人患肺伤寒，头痛发热，恶寒咳嗽，肢节疼，脉沉紧，服华盖散、黄 建中汤，略解。至五日，昏睡
谵语，四肢微厥，乃肾气虚也。灸关元百壮，服姜附汤，始汗出愈。
（此证与雍正六年自春徂夏时气大同，时俗皆禁服药，药则有误，不知非药误人，乃庸人不明此理，妄投凉药
之误耳。苟具只眼，焉得有误。）
有腰疽、背疽、脑疽、腿疽，虽因处以立名、而其根则同。方书多用苦寒败毒之药，多致剥削元气，变为
阴疽，侵肌蚀骨，溃烂而亡。不知《内经》云∶脾肾气虚，寒气客于经络，血气不通，着而成疾。若真气不甚
虚，邪气不得内陷，则成痈。盖痈者，壅也。血气壅滞，故大而高起，属阳易治。若真气虚甚，则毒邪内攻，
附贴筋骨，则成疽。盖疽者，阻也。邪气深而内烂，阻人筋骨，属阴难治。其始发也，必憎寒、壮热，急服救
生汤五钱，再服全好。甚者，即于痛处，灸三五壮。（阴疽即三五十壮，亦不为过。）如痛者属阳，易治。若
不痛，乃疽疮也，急服保元丹，以固肾气。若用凉转药，则阳变为阴，或不进饮食而死，急灸关元可生。
（近世疡医，只记一十三味方，不问邪之深浅，感之重轻，顶之起不起，色之红不红，不辨五美，不审七
恶，概用此方，更加凉解。即见纯阴冷毒，而犹云半阴半阳，总以发散解毒为良法，及至寒凉冰伏，尚云毒盛
内攻。或见神情躁扰，终认火热未清。小证变大，浅证变深，若遇大证，未有不受其害者。世谓外柯拉折腿，
医亦不尽然。人之无良，亦或有之，其余实由学问未精，识证不确，阴阳错乱，虚实混淆，变证之来，全然不
晓，有似故意害人，其实非本心也。）
治验
一人病脑疽六日，危笃不进饮食，余曰∶年高肾虚，邪气滞经也。令服救生汤，即刻减半，夜间再进一服全安。
一人忽患遍身拘急，来日阴囊连茎肿大如斗，六脉沉紧。余曰∶此阴疽也，幸未服解毒凉药，若服之，则
茎与睾丸必皆烂去而死。急令服救生汤五钱，又一服全安。
一老妇脑后作痛，憎寒拘急。余曰∶此欲发脑疽也。急服救生汤三服全愈。（余治一妇，新产深居密室，
头面遍体生札马疔，外科与清火败毒药二剂，立时消去，其家甚喜。次日胸中气闷，渴燥不已，神气异常。至
晚腹痛泄泻，身热体倦，呕恶不食。疡医云暑毒内攻，更与连栀凉剂，煎讫将进。适余至，诊其脉空散无根，
一息七八至，乃里虚毒陷也，即以异功加姜附饮之。次日，泻止，神清，食粥不呕。又一剂，而札马疔仍复发
出，亦不如前之痛苦矣。夫札马疔小疾耳，凉解一误，尚变脱陷，况大毒乎！记此以为疡医寒凉之戒，精方脉
者，亦不可不明此理。）
凡一切痈疽发背，疔疮乳痈疖毒，无非寒邪滞经，只以救生汤服之，重者减半，轻者全安，百发百中。
The syndrome of Lung Cold Damage (Fei Shang Han) is rarely recorded in medical formularies, leading to frequent misdiagnoses. It resembles Shaoyin Syndrome (a syndrome involving the Kidney and Heart channels characterized by deficiency-cold), but differs in that it resolves without sweating. It typically occurs during the first, second, or twelfth lunar months. Symptoms include headache, pain in limbs and joints, fever with aversion to cold, cough, and a tight pulse. It is slightly similar to Cold Damage (Shang Han), but with more prominent coughing. Sweating therapy is contraindicated; instead, Jiang Fu Tang (Ginger and Aconite Decoction) should be administered, resulting in recovery within three days. In patients with constitutive deficiency, if pathogenic factors penetrate deeply, symptoms such as lethargy, delirium, cold toes, and a floating-tight pulse may appear, indicating a fatal prognosis. Immediate moxibustion at Guanyuan (CV-4) for three hundred moxa cones can save life; otherwise, death is inevitable. Administering cooling medicines will also result in death, as this condition cannot be treated by herbs alone. (Regarding Lung Cold Damage, modern practitioners often consider it a severe common cold. If not treated with warm-neutral methods, the condition is delayed; if treated with cold-cooling methods, it causes death. I have some understanding of this syndrome, but treatment must be tailored to the individual. If trusted by a knowledgeable patient, I apply it without hesitation; for general practice, ingredients like Sheng Jiang (Zingiberis Rhizoma Recens), Gan Cao (Glycyrrhizae Radix et Rhizoma), Gui Zhi (Cinnamomi Ramulus), and Xi Xin (Asari Radix et Rhizoma) suffice. Using Jiang Fu Tang indiscriminately often invites criticism.)
Clinical Case 1:
A patient suffered from Lung Cold Damage, presenting with headache, fever, aversion to cold, cough, limb and joint pain, and a deep-tight pulse. After taking Hua Gai San (Hemp Seed Covering Powder) and Huang Qi Jian Zhong Tang (Astragalus Middle-Joint Building Decoction), symptoms alleviated slightly. By the fifth day, the patient experienced lethargy, delirium, and slight coldness in the four limbs, indicating Kidney Qi deficiency. Moxibustion was applied at Guanyuan (CV-4) for one hundred cones, followed by Jiang Fu Tang (Ginger and Aconite Decoction). Recovery occurred with the emergence of sweat.
(This syndrome is largely identical to the epidemic qi prevalent from spring to summer in the sixth year of Yongzheng. At that time, customs forbade medication, believing drugs would cause harm. However, the error lay not in the medicine itself, but in ignorant physicians blindly administering cooling medicines. With proper insight, such errors would be avoided.)
Yong Ju (Waist Carbuncle), Bei Ju (Back Carbuncle), Nao Ju (Brain Carbuncle), and Tui Ju (Leg Carbuncle) are named according to their location, but their root pathology is the same. Formularies often employ bitter-cold detoxifying medicines, which frequently deplete Yuan Qi (Original Qi), transforming the condition into Yin Ju (Yin Carbuncle). This leads to erosion of muscle and bone, ulceration, and death. As stated in Nei Jing (Inner Canon): Deficiency of Spleen and Kidney Qi allows Cold Pathogen to lodge in meridians, causing stagnation of Blood and Qi, resulting in disease. If True Qi is not severely deficient, pathogens do not sink inward, forming Yong (Carbuncle/Abscess). "Yong" means obstruction/stagnation. Stagnation of Blood and Qi causes large, elevated swellings; it belongs to Yang and is easy to treat. If True Qi is severely deficient, toxic pathogens attack inward, attaching to muscles and bones, forming Ju (Deep Abscess/Carbuncle). "Ju" means blockage. Deep-seated pathogens cause internal rotting and blockage of bones and muscles; it belongs to Yin and is difficult to treat. Initially, there is always aversion to cold and high fever. Immediately administer Jiu Sheng Tang (Life-Saving Decoction) five qian; a second dose ensures full recovery. For severe cases, apply moxibustion directly on the painful area for three to five cones. (For Yin Ju, even thirty to fifty cones are not excessive.) Pain indicates Yang nature, which is easy to treat. Lack of pain indicates Ju Chuang (Carbuncle/Ulcer); immediately administer Bao Yuan Dan (Protect Origin Pill) to secure Kidney Qi. Using cooling medicines transforms Yang into Yin, potentially leading to death due to anorexia; immediate moxibustion at Guanyuan (CV-4) can save life.
(Modern surgeons memorize only one thirteen-ingredient formula. Regardless of the depth of pathogen, severity of infection, elevation of the lesion, or redness of color, they fail to distinguish the Five Beauties and Seven Evils. They indiscriminately use this formula combined with cooling-resolving agents. Even in pure Yin cold-toxin cases, they claim it is half-Yin half-Yang, insisting that dispersing and detoxifying is the best method. When cold-cooling leads to ice-like stagnation, they still claim toxin heat attacks inward. When mental agitation occurs, they attribute it to unquenched fire. Minor conditions worsen, superficial conditions deepen. In major cases, harm is inevitable. People say surgeons harm like amputating legs, but this is not entirely true. While malice exists, most harm stems from insufficient learning, inaccurate differentiation, confusion of Yin/Yang and Deficiency/Excess, and ignorance of changing syndromes. It appears intentional, but is not.)
Clinical Case 2:
A patient suffered from Brain Carbuncle for six days, critically ill and unable to eat. I stated: Advanced age and Kidney deficiency cause pathogen stagnation in meridians. Prescribed Jiu Sheng Tang (Life-Saving Decoction). Symptoms halved immediately; a second dose at night ensured full recovery.
Clinical Case 3:
A patient suddenly developed generalized stiffness. The next day, the scrotum and penis swelled to the size of a dou. All six pulses were deep and tight. I stated: This is Yin Ju. Fortunately, no detoxifying cooling medicines were taken; had they been, the penis and testicles would have necrosed, leading to death. Urgently prescribed Jiu Sheng Tang (Life-Saving Decoction) five qian; one dose ensured full recovery.
Clinical Case 4:
An elderly woman suffered pain at the back of the head, with aversion to cold and stiffness. I stated: Brain Carbuncle is impending. Urgently prescribed Jiu Sheng Tang (Life-Saving Decoction); three doses resulted in complete cure. (I once treated a woman who, after childbirth, stayed in a dark room. She developed Zha Ma Ding (Horsefly Carbuncle) all over her head and body. Surgeons gave two doses of Fire-Clearing Detoxifying Medicine, which resolved it quickly, pleasing the family. The next day, she experienced chest oppression, extreme thirst, and abnormal spirit. That evening, abdominal pain, diarrhea, fever, fatigue, vomiting, and anorexia appeared. Surgeons attributed this to Summer-Toxin attacking inward and prescribed another cooling decoction with Lian Zi (Nelumbinis Semen) and Zhi Zi (Gardeniae Fructus). Just as it was about to be administered, I arrived. Her pulse was empty, scattered, and rootless, beating seven to eight times per breath, indicating Interior Deficiency with Toxin Collapse. I immediately prescribed Yi Gong San (Benefit Work Powder) modified with Sheng Jiang (Zingiberis Rhizoma Recens) and Fu Zi (Aconiti Lateralis Radix Praeparata). The next day, diarrhea stopped, consciousness cleared, and she drank congee without vomiting. After another dose, Zha Ma Ding recurred but was less painful than before. Zha Ma Ding is a minor ailment; a single error with cooling-resolving medicine led to collapse. How much worse for major toxins! I record this as a warning against the abuse of cold-cooling medicines by surgeons. Those proficient in pulse diagnosis must understand this principle.)
All types of Yong Ju (Carbuncles), Fa Bei (Back Eruptions), Ding Chuang (Ding Sores), Ru Yong (Breast Abscesses), and Ji Du (Furuncles) are caused by Cold Pathogen stagnating in meridians. Simply administer Jiu Sheng Tang (Life-Saving Decoction). For severe cases, reduce the dose by half; for mild cases, use the full dose. This method is infallible.