夫大汗将出者，慎不可限其烦热，而外用水湿及风凉制热也。
阳热开发，将欲作汗而出者，若为外风、凉、水、湿所薄，则怫热反入于里而不能出泄，病多危极而死矣。
亦不可恨其汗迟而浓衣壅覆，欲令大汗快而早出也。
怫热已甚，而郁极乃发，其发之微则顺，甚则逆。顺则发易，逆则发难。病已怫热作发，而烦热闷乱，
更以浓衣壅覆太过，则阳热暴然太甚，阴气转衰，而正气不荣，则无由开发。即燥热喘满，危而死矣。
双解散∶普解风寒暑湿，饥饱劳逸，忧愁思虑，恚怒悲恐，四时中外诸邪所伤，亿觉身热、头疼、
拘倦强痛，无问自汗、无汗，憎寒发热，渴与不渴，有甚伤寒疫疠，汗病两感，风气杂病，一切旧病作
发，三曰里外，并宜服之。设若感之势甚，本难解者常服，三两日间，亦渐减可，并无所损。或里热极
甚，腹满实痛，烦渴谵妄，须可急下者，以大承气汤下之，三一承气汤亦妙也。或下后未
愈，或证未全，或大汗前后逆气，或汗后余热不解，或遗热劳复，或感他人病气、汗毒传染，或中瘴气、
马气、羊气一切秽毒，并漆毒，酒、食，一切药毒，及坠堕打扑，伤损疼痛，或久新风眩头疼，中风偏枯，
破伤风，洗头风，风痫病，或妇人产后诸疾，小儿惊风积热，疮疡疹痘诸证，无问日数，但服之，周身
中外气血宣通，病皆除愈（是防风通圣散加天水散各一半）。
防风 川芎 当归（切焙） 芍药 薄荷叶（净） 大黄 麻黄（去根苗节） 连翘 芒硝（别
研各半两） 石膏（别研） 桔梗（各一两） 滑石（十五两别研） 白术 山栀子 荆芥叶 甘草（四两
锉烂） 黄芩（各一分）
上为粗末，每服五钱、六钱，水一大盏半，入葱白五寸、盐豉五十粒、生姜
三片，煎至一盏，滤汁去滓，温服无时，日三、四服，以效为度。常服三钱，水一中盏，煎六分绞汁，温服
不拘时，兼夜四服。设痊愈后，更宜常服，使病不再作，新病不生，并无过竟。无问岁数，乃平人常服之
仙药也。凡人已衰老，则肾水真阴损虚，即风热燥郁甚，精血涸竭枯燥而死，但以此药扶补滋润者也。嗟
夫！世俗反以妄传中年以上，火气渐衰，止是虚冷，更无热病，误服热毒之剂，害人无数。岂知识病之法，
全凭脉证，以别寒热、阴阳、虚实，岂可以中年上下为则耶。此药除孕妇及产后，月事经水过多，并泄泻
者不宜服。或治杂病，亦宜治风热极妙。一名通气防风散，一名通解散。
凡是大汗即将排出的时候，千万不可因为患者感到烦热而用冷水、湿物或风吹来强行压制热气。
当阳气与热邪开发，正准备出汗排出时，如果受到外风、凉气、水湿的侵袭逼迫，那么郁结的热邪反而会陷入体内而不能发散出去，病情大多会危重至极而导致死亡。
也不可以怨恨汗出得晚，就用厚衣服严密覆盖，想要让大汗快点出来。
如果郁结的热邪已经非常严重，因极度郁滞而爆发，发作轻微则顺，严重则逆。顺则容易发汗，逆则难以发汗。病已处于郁热发作状态，且伴有烦闷燥热、神志昏乱，如果再使用厚衣服过度覆盖，就会导致阳热突然过盛，阴气转而衰败，正气无法滋养身体，从而没有途径使腠理开泄。随即出现燥热、气喘、胸满，最终危重而死。
双解散：普遍解除风、寒、暑、湿，以及饥饱失调、劳逸不当、忧愁思虑、愤怒悲恐等情志因素，还有四季内外各种邪气所致的伤害。只要觉察到身体发热、头痛、拘挛疲倦、强直疼痛，无论是有自汗还是无汗，恶寒发热，口渴或不渴，无论是严重的伤寒疫病，还是两感病（表里同病），风气杂病，一切旧病复发，称为“里外”俱病的情况，都适宜服用此药。假如感受邪气之势很盛，原本难以化解，长期服用此药，在三两天内也会逐渐减轻，对身体并无损害。或者如果里热极盛，腹部胀满结实疼痛，烦躁口渴、胡言乱语，需要紧急攻下的，用大承气汤攻下，三一承气汤也很好。或者攻下后病未愈，或证候未完全消除，或大汗前后出现的逆气，或汗后余热未解，或热病后因劳累复发，或感染他人的病气、汗毒传染，或中瘴气、马气、羊气等各种秽毒，以及漆毒，酒、食物中毒，一切药物中毒，以及跌打坠堕造成的损伤疼痛，或久患新风引起的眩晕头痛，中风偏瘫，破伤风，洗头风，风痫病，或妇人产后各种疾病，小儿惊风积热，疮疡疹痘等各种证候，不论患病天数多少，只要服用此药，周身内外的气血就会宣通，病症都能消除痊愈（这是防风通圣散加上天水散各取一半）。
药材组成：防风、川芎、当归（切片焙干）、芍药、薄荷叶（净选）、大黄、麻黄（去根苗节）、连翘、芒硝（单独研磨，各半两）、石膏（单独研磨）、桔梗（各一两）、滑石（十五两单独研磨）、白术、山栀子、荆芥叶、甘草（四两锉碎烂）、黄芩（各一分）。
以上药材制成粗末，每次服用五钱或六钱，用水一大盏半，加入葱白五寸、盐豉五十粒、生姜三片，煎煮至一盏量，过滤去渣，随时温服，每日三到四次，以见效为标准。日常服用三钱，用水一中盏，煎至六分，绞取汁液，随时温服，包括夜间共四次。如果痊愈后，更宜常服，使疾病不再发作，新病不生，也没有副作用。不论年龄大小，都是普通人常服的仙药。凡人一旦衰老，肾水真阴亏损虚弱，就会风热燥郁严重，精血枯竭枯燥而死，只有依靠此药来扶持补益滋润。唉！世俗之人反而妄传中年以上的人火气渐衰，只是虚冷，没有热病，误服热毒之剂，害死无数人。哪里懂得识病的法则，完全凭借脉象和证候，来辨别寒热、阴阳、虚实，怎么能以中年上下作为标准呢？此药除了孕妇及产后、月经经水过多者，以及腹泻者不宜服用外。如果是治疗杂病，也是治疗风热的极佳方剂。又名通气防风散，又名通解散。
When profuse sweating is about to occur, one must strictly avoid using cold water, wet objects, or wind to forcibly suppress the heat due to the patient's feeling of irritability and heat.
When Yang-heat is developing and preparing to sweat out, if it is besieged by external wind, coolness, water, or dampness, the constrained heat will instead retreat into the interior and fail to diffuse and discharge, leading to critical illness and death in most cases.
One should not blame the delayed onset of sweating and cover the patient with thick clothing to force a rapid and profuse sweat.
If constrained heat is already severe and erupts after extreme stagnation, a mild eruption is favorable (Shun), while a severe one is unfavorable (Ni). Favorable eruptions are easy to resolve, whereas unfavorable ones are difficult. When the disease has entered a state of constrained heat eruption, accompanied by irritability, heat, and mental confusion, covering the patient excessively with thick clothing causes Yang-heat to become suddenly excessive, Yin-Qi to decline further, and Zheng-Qi (Upright Qi) to fail to nourish the body, leaving no pathway for the opening of pores. This leads to dryness, heat, wheezing, and fullness, resulting in critical illness and death.
Shuangjie San (Double Resolution Decoction): It generally resolves injuries caused by Wind, Cold, Summer-heat, Dampness; irregularities in hunger and satiety, work and rest; emotional factors such as worry, overthinking, anger, sadness, and fear; and various pathogenic factors from inside and outside during the four seasons. Whenever fever, headache, stiffness, fatigue, and painful rigidity are perceived, regardless of whether there is spontaneous sweating or anhidrosis, aversion to cold with fever, thirst or lack thereof, whether it is severe Shanghan (Cold Damage) or epidemic diseases, Lianggan Bing (diseases affecting both exterior and interior simultaneously), miscellaneous Wind diseases, or any recurrence of old diseases—collectively referred to as "Li-Wai" (involving both interior and exterior)—it is suitable for administration. If the pathogenic influence is very strong and difficult to resolve initially, regular use will gradually reduce symptoms within two to three days without causing harm. However, if interior heat is extremely severe, presenting with abdominal fullness, firmness, pain, irritability, thirst, delirium, requiring urgent purgation, Dachengqi Tang (Major Order the Qi Decoction) should be used for purgation; Sanyichengqi Tang (Triple One Order the Qi Decoction) is also excellent. If the condition persists after purgation, or symptoms are not fully resolved, or if adverse Qi occurs before or after profuse sweating, or residual heat remains after sweating, or relapse occurs due to labor after fever, or infection from others' pathogenic Qi or sweat toxins, or poisoning from miasma, horse Qi, sheep Qi, and other foul toxins, lacquer poison, alcohol, food, all drug poisons, trauma from falls or blows causing injury and pain, chronic Wind-induced dizziness and headache, stroke with hemiplegia, broken wind (tetanus), head-washing wind, Wind epilepsy, gynecological postpartum disorders, pediatric convulsions with accumulated heat, sores, ulcers, rashes, and smallpox—regardless of the number of days since onset—administration of this decoction will unblock Qi and Blood throughout the body and interior/exterior, curing all diseases (This formula consists of Fangfeng Tongsheng San [Windscreen Universal Rescue Powder] combined with Tianshui San [Heavenly Water Powder], each taking half the dose).
Ingredients: Fangfeng (Saposhnikoviae Radix), Chuanxiong (Ligustici Chuanxiong Rhizoma), Danggui (Angelicae Sinensis Radix, sliced and roasted), Shaoyao (Paeoniae Radix), Boheye (Menthae Haplocalycis Herba, purified), Dahuang (Rhei Radix et Rhizoma), Mahuang (Ephedrae Herba, roots and joints removed), Lianqiao (Forsythiae Fructus), Mangxiao (Natrii Sulfas, ground separately, 0.5 liang each), Shigao (Gypsum Fibrosum, ground separately), Jiegeng (Platycodonis Radix, 1 liang each), Huashi (Talcum, 15 liang, ground separately), Baizhu (Atractylodis Macrocephalae Rhizoma), Shanzhizi (Gardeniae Fructus), Jingjieye (Schizonepetae Spica), Gancao (Glycyrrhizae Radix et Rhizoma, 4 liang, chopped), Huangqin (Scutellariae Radix, 1 fen each).
Grind the above ingredients into a coarse powder. For each dose, take 5 qian or 6 qian, add 1.5 large cups of water, 5 cun of Congbai (Allii Fistulosi Bulbus), 50 grains of Yanchi (Fermented Soybean), and 3 slices of Shengjiang (Zingiberis Rhizoma Recens). Decoct until reduced to 1 cup, filter to remove dregs, and take warm at any time. Administer 3 to 4 times daily, adjusting until efficacy is achieved. For maintenance, take 3 qian with 1 medium cup of water, decoct to 0.6 cup, strain, and take warm at any time, including night, totaling 4 doses. After recovery, continued regular use prevents recurrence and new illnesses without adverse effects. Suitable for people of all ages, it is considered an immortal medicine for daily use. As humans age, Kidney-Yin (True Yin) depletes, leading to severe Wind-Heat and Dryness stagnation, exhaustion of Essence and Blood, and eventual death from dryness; this medicine supports and moistens. Alas! The secular world mistakenly believes that those past middle age have declining Fire Qi and suffer only from deficiency-cold, lacking Heat diseases, leading them to erroneously administer hot-toxic agents, harming countless lives. They fail to understand that diagnosing relies entirely on Pulse and Syndrome differentiation to distinguish Cold/Heat, Yin/Yang, and Deficiency/Excess, rather than age alone. This decoction is contraindicated for pregnant women, postpartum women, those with excessive menstrual bleeding, and those with diarrhea. For miscellaneous diseases, it is exceptionally effective for treating Wind-Heat. Also known as Tongqi Fangfeng San (Ventilation Windscreen Powder) or Tongjie San (Universal Resolution Powder).