内经曰肠 便血身热则死寒则生肠 下白沫脉沉则生浮则死肠 之属身不热脉不悬绝滑
大者生悬涩者死以脏期之又曰阴阳虚肠 死又曰泄而脱血脉实皆曰难治
按此云生死亦是大概言之必须更兼证以详审之下同
脉经云肠 下脓血脉沉小流连者生数疾且大有热者死又肠 筋挛其脉小细安静者生浮大
紧者死
严氏云凡下利之脉微小者生浮洪者难治肠 下脓血者脉宜滑大若弦急者死
下痢脉沉弦者下重脉大者为未止脉微弱数者为欲自止虽发热不死下痢手足厥冷无脉者灸
之
不温若脉不还反微喘者死 下痢有微热而渴脉弱者令自愈下痢脉数有微热汗出令自愈设脉紧
为未解 下痢脉数而渴者令自愈设不瘥必清脓血以有热故也 下痢反弦发热身汗者自愈 下
痢气蔽者当利其小便 下痢腹胀满身体疼痛先温其里乃攻其表温里宜四逆攻表宜桂枝汤 下
痢脉滑而数者有宿食也当下之 下痢脉迟而滑者实也痢为未止急下之下痢脉反滑当有所去下
之安 下痢不欲食有宿食者当下之 下痢腹满痛为寒实当下之 下痢腹坚者当下之 下痢谵
语有燥屎当下之 下痢三部脉皆平按之心下坚急下之 下痢已瘥至其时复发者此为下未尽更
下之安 下痢脉大浮弦下之当自愈 风寒下痢者不可下下后心下坚痛脉迟此为寒宜温之 下
痢脉浮大此为虚强下之故也设脉浮革者因而肠鸣当温之 下痢脉迟紧痛未欲止当温之
下痢心痛急当救里可与理中四逆附子辈 下痢大孔痛宜温之
按丹溪曰仲景治痢可下者十法可温者五法或解表或利小便或待其自已区别易治难治不治
之证至为详密但与泄痢衮同立论而未分今载于滞下门内故于泻痢条内不载宜于此通考焉
《黄帝内经》说:患痢疾而便血,若身体发热则预后不良(死),若不发热的则有生机(生)。痢疾下白沫,脉象沉伏的有生机,脉象浮越的预后不良。对于痢疾病证,若身体不发热,脉象不呈现悬绝之象,脉滑大者有生机,脉象悬涩者预后不良,可根据受邪脏腑的旺衰日期来推断生死。又说:阴阳之气虚竭的痢疾属死证。又说:泄泻且伴有脱肛,脉象实大的都难以治疗。
按照上述说法,关于生死的判断也是大概而言,必须结合其他证候进行详细审察,下文同理。
《脉经》说:痢疾下脓血,脉象沉小且连续不断的有生机;脉象数急且大,伴有热象的预后不良。又有痢疾导致筋脉拘挛,脉象小细、神色安静的有生机;脉象浮大紧束的预后不良。
严氏说:凡是下利的脉象,微小者有生机,浮洪者难治。痢疾下脓血者,脉象宜见滑大,若见弦急者预后不良。
下痢脉象沉弦的,伴有里急后重感;脉象大的,表示病势未止;脉象微弱而数的,表示病情将要自行停止,即使发热也不会死亡。下痢手足厥冷、无脉搏的,应当施灸。如果灸后四肢仍不温暖,且脉象不还复,反而出现轻微喘息的,预后不良。下痢有微热且口渴,脉象弱的,令其自行痊愈。下痢脉数,有微热且汗出的,令其自行痊愈。假如脉象紧束,表示病邪未解。下痢脉数且口渴的,令其自行痊愈;假如不愈,必然排出脓血,这是因为有热邪的缘故。下痢反见弦脉,发热且身体出汗的,会自行痊愈。下痢气机闭塞的,应当通利小便。下痢伴有腹胀满、身体疼痛的,先温补里虚,再攻解表邪;温里适宜用四逆汤,攻表适宜用桂枝汤。下痢脉象滑而数的,是有宿食停滞,应当使用下法。下痢脉迟而滑的,属实证,痢疾尚未停止,需急下之。下痢脉象反见滑,说明体内有积滞当去,使用下法可安。下痢不欲饮食,有宿食的,应当使用下法。下痢腹部胀满疼痛,属于寒实证,应当使用下法。下痢腹部坚硬者,应当使用下法。下痢出现谵语,有燥屎内结的,应当使用下法。下痢三部脉象皆平,但按压心下部感觉坚硬急迫的,应当使用下法。下痢已经痊愈,到了相应的时间又复发的,这是余邪未尽,再次使用下法可安。下痢脉象大、浮、弦的,使用下法应当自愈。风寒引起的下痢,不可使用下法;误下后导致心下部坚硬疼痛、脉象迟缓的,此为寒邪,适宜温补。下痢脉象浮大,这是虚证误用下法所致;假如脉象浮而革,因而出现肠鸣的,应当温补。下痢脉象迟紧,疼痛未止的,应当温补。下痢伴有心痛,急需救治里虚,可以给予理中汤、四逆汤、附子类方剂。下痢肛门疼痛的,适宜温补。
按:丹溪先生说,张仲景治疗痢疾,可以使用下法的有十种情况,可以使用温法的有五种情况,或者解表,或者利小便,或者等待其自行痊愈,区分容易治疗、难以治疗和不可治疗的证候,非常详尽周密。只是将泄泻和痢疾合并立论,而没有分开论述,现在收录在“滞下”门内,所以在“泻痢”条目内不再重复记载,应当在此处通盘考察。
The *Huangdi Neijing* (Yellow Emperor's Inner Canon) states: In cases of dysentery with bloody stools, if the body is hot, the prognosis is poor (death); if there is no fever, there is a chance of survival. In dysentery with white mucus discharge, a deep pulse indicates survival, while a floating pulse indicates a poor prognosis. For dysentery syndromes, if the body is not hot and the pulse does not exhibit a "suspended and extreme" quality, a slippery and large pulse indicates survival, whereas a suspended and choppy pulse indicates a poor prognosis; the time of death or recovery can be predicted based on the flourishing days of the affected Zang organs. It also states: Dysentery resulting from the exhaustion of Yin and Yang Qi is fatal. It further states: Diarrhea accompanied by prolapse, with a full and solid pulse, are all considered difficult to treat.
According to this, the statements regarding life and death are generalizations; one must combine them with other clinical manifestations for detailed examination, as is the case in the following text.
The *Mai Jing* (Pulse Classic) states: In dysentery with pus and blood discharge, a deep and small pulse that is continuous indicates survival; a rapid, frequent, and large pulse accompanied by heat indicates a poor prognosis. Additionally, in dysentery causing muscle spasms, a small and fine pulse with a calm demeanor indicates survival, whereas a floating, large, and tight pulse indicates death.
Yan Shi stated: Regarding the pulses of all types of lower diarrhea, a minute pulse indicates survival, while a floating and surging pulse is difficult to treat. In dysentery with pus and blood discharge, the pulse should be slippery and large; if it appears wiry and urgent, the prognosis is poor.
In dysentery, a deep and wiry pulse is associated with a sensation of tenesmus (heaviness in the lower abdomen). A large pulse indicates the disease has not yet ceased. A weak and rapid pulse indicates the condition is about to resolve spontaneously; even if fever is present, it will not be fatal. In dysentery with cold extremities and absent pulse, moxibustion should be applied. If the limbs remain cold after moxibustion, the pulse does not return, and slight panting occurs, the prognosis is poor. In dysentery with slight fever and thirst, a weak pulse indicates spontaneous recovery. In dysentery with a rapid pulse, slight fever, and sweating, spontaneous recovery is expected. If the pulse is tight, it indicates the pathogen has not been resolved. In dysentery with a rapid pulse and thirst, spontaneous recovery is expected; if it does not improve, pus and blood will inevitably be passed due to the presence of heat. In dysentery, if a wiry pulse appears with fever and sweating, spontaneous recovery will occur. In dysentery with qi obstruction, promoting urination is indicated. In dysentery accompanied by abdominal distension and fullness, along with body pain, the interior deficiency should first be warmed, followed by resolving the exterior; Si Ni Tang (Counterflow Decoction) is suitable for warming the interior, while Gui Zhi Tang (Cinnamon Twig Decoction) is suitable for resolving the exterior. In dysentery with a slippery and rapid pulse, there is retained food stagnation, and purgation is indicated. In dysentery with a slow and slippery pulse, it is an excess syndrome; since the dysentery has not stopped, urgent purgation is required. In dysentery, if the pulse is unexpectedly slippery, it indicates something needs to be expelled; purgation will bring peace. In dysentery with loss of appetite due to retained food, purgation is indicated. In dysentery with abdominal fullness and pain due to cold-excess, purgation is indicated. In dysentery with a hard abdomen, purgation is indicated. In dysentery with delirium due to dry fecal matter, purgation is indicated. In dysentery where the pulses at the three positions (Cun, Guan, Chi) are all level, but pressure on the epigastrium reveals hardness and tension, purgation is indicated. If dysentery has healed but recurs at a specific time, it indicates residual pathogens remain; another round of purgation will ensure safety. In dysentery with large, floating, and wiry pulses, purgation should lead to self-healing. For wind-cold induced dysentery, purgation is contraindicated; if mistaken purgation leads to hardness and pain in the epigastrium with a slow pulse, it is cold and requires warming. In dysentery with a floating and large pulse, this is due to treating a deficiency with purgation; if the pulse is floating and革 (leather-like), accompanied by borborygmus, warming is indicated. In dysentery with a slow and tight pulse and unrelenting pain, warming is indicated. In dysentery with heart pain, urgent treatment of the interior is required; Li Zhong Tang (Regulate the Middle Decoction), Si Ni Tang, or Fu Zi (Aconite Root) preparations may be used. In dysentery with anal pain, warming is indicated.
Commentary: Danxi stated that Zhang Zhongjing’s methods for treating dysentery include ten indications for purgation and five for warming, as well as methods for releasing the exterior, promoting urination, or awaiting spontaneous resolution. The distinction between easy-to-treat, difficult-to-treat, and untreatable conditions is very detailed. However, he discussed diarrhea and dysentery together without separating them. Since this is now recorded under the section on "Stagnant Downward Flow" (Dysentery), it is not repeated under the "Diarrhea and Dysentery" entry, and should be comprehensively reviewed here.