霍乱者，因甘肥过度，腐积成痰，七情郁结，气盛为火，停蓄胃中，乍因寒热之感，邪正交争，阴阳相
混，故令心腹绞痛，吐、利并作，挥霍变乱。如邪在上胃脘，则当心痛而吐多；邪在下胃脘，则当脐痛而
利多；邪在中脘，则腹中痛，吐、利俱多。吐多则伤气，利多则伤血，血气受伤不能护养其胎，邪气鼓击胎
元，子母未有不殒者，此危症不可不亟治也，宜香苏散加藿香，先服后探吐之。
妊娠泄泻，不外脾肾二脏，虚者居多。夫血统于脾，血拥胎元，则脾阴虚而食不运化。脾主健运，下
焦壅滞而清气难舒，于是水谷难消而作泻。且胎系于肾，胎窃其气以拥护，而肾气既弱，命门火衰，不能上蒸脾
土，此妊娠泄泻之由也。虽其间不无风寒暑湿之外感，饮食生冷之内伤，然属于脾肾有亏者乃其本也。
妊娠伤食，多由脾胃中气虚弱，不能运化，若中气壮实，无是病也。然胎以脾胃为主，脾胃强则胎系如悬
钟而不坠，若伤食不化则脾困而胎不能固。故凡即消食导滞，皆先以补脾健胃为主，而推扬谷气，则饮食自化。
若徒事消克，不但胎元易坠，且脾虚而愈虚之，化源之机竭矣。
凡七情内伤，六淫外感，皆足致失血之患。而妊娠吐血一主火热者，以气血壅养胎元，或有所感则
气逆而火上乘心，心烦满闷，血随而溢也。但火略有虚实之分，实火当清热以养血；虚火
当滋阴以补水，则血可安而胎可固。若泛用行血、消血之剂，胎必堕而祸不旋踵矣。
霍乱病，是由于过食甘甜肥腻之物，导致食物腐败积滞而成痰；或因七情郁结，气机旺盛化为火邪；这些邪气停蓄在胃中，突然感受寒热之邪，正气与邪气相互交争，阴阳之气混乱相混，从而导致心腹剧烈绞痛，呕吐和腹泻同时发作，病情变化迅速且紊乱。如果邪气位于上脘（胃的上部），则会出现心痛且呕吐较多；如果邪气位于下脘（胃的下部），则会出现肚脐周围疼痛且腹泻较多；如果邪气位于中脘（胃的中部），则会出现腹部疼痛，呕吐和腹泻都很多。呕吐过多会损伤气，腹泻过多会损伤血，气血受损后无法护养胎儿，邪气鼓动冲击胎元，母子没有不死亡的，这是危急重症，不可不紧急治疗，适宜使用香苏散加藿香，先服用后再探吐以排出邪气。
妊娠期间发生泄泻，不外乎脾、肾两脏的功能失调，其中虚证居多。血液由脾所统摄并化生，若血聚以供养胎元，则会导致脾阴不足，食物难以运化。脾主健运，若下焦壅滞导致清气难以舒展，于是水谷难以消化而发生泄泻。而且胎儿系于肾，胎儿窃取母体的气来拥护自身，导致肾气虚弱，命门之火衰微，不能向上温煦脾土，这就是妊娠泄泻的原因。虽然其间也不排除风寒暑湿等外感邪气，或饮食生冷等内伤因素，但属于脾肾亏虚才是其根本原因。
妊娠期间伤食，多由脾胃中气虚弱，不能正常运化所致；如果中气壮实，就不会得这种病。然而胎儿以脾胃为主，脾胃强健则胎儿像悬挂的钟一样稳固而不坠落，如果伤食不化则脾受困顿而胎儿不能固摄。所以凡是遇到消食导滞的情况，都应先以补脾健胃为主，推扬谷气，那么饮食自然能够消化。如果只是单纯从事消食克伐的治疗，不但容易导致胎元坠落，而且会使脾虚更加严重，导致化源之机枯竭。
凡是七情内伤，六淫外感，都足以导致失血的祸患。而妊娠期间吐血主要归属于火热证，因为气血壅盛以供养胎元，一旦有所感触则气机上逆，火邪上乘于心，导致心烦意乱、胸中满闷，血液随之溢出。但是火邪略有虚实之分，实火应当清热以养血；虚火应当滋阴以补水，这样血液可以安宁而胎儿可以稳固。如果泛用行血、破血的药剂，胎儿必定流产，灾祸随即而至。
Huoluan (Acute Gastroenteritis with Vomiting and Diarrhea) arises from excessive consumption of sweet and fatty foods, leading to putrefaction and accumulation forming phlegm; or from emotional stagnation where qi excess transforms into fire; these pathogens accumulate in the stomach. Upon sudden exposure to cold or heat pathogens, righteous qi and pathogenic factors contend, causing yin and yang to mix chaotically. This results in severe colic pain in the heart and abdomen, with simultaneous vomiting and diarrhea, characterized by rapid and chaotic changes. If the pathogen is located in the upper jiao (upper epigastrium), there will be heart pain and predominant vomiting; if in the lower jiao (lower epigastrium), there will be periumbilical pain and predominant diarrhea; if in the middle jiao (middle epigastrium), there will be abdominal pain with both vomiting and diarrhea being profuse. Excessive vomiting damages qi, while excessive diarrhea damages blood. When qi and blood are damaged, they cannot protect and nourish the fetus. Pathogenic factors agitate and strike the fetal origin, resulting in inevitable death for both mother and child. This is a critical condition requiring urgent treatment. It is appropriate to use Xiangsu San (Perilla and Bupleurum Powder) added with Huoxiang (Patchouli Herb), administer it first, and then induce vomiting to expel the pathogen.
Diarrhea during pregnancy primarily involves the Spleen and Kidney organs, with deficiency patterns being predominant. Blood is governed by the Spleen; when blood congregates to nourish the fetus, Spleen Yin becomes deficient, impairing food transformation and transportation. The Spleen governs robust transportation; if the lower jiao is obstructed, clear qi struggles to diffuse, making water and grain difficult to digest, leading to diarrhea. Furthermore, the fetus is anchored to the Kidney; the fetus draws upon maternal qi for support, weakening Kidney Qi. With the decline of Mingmen Fire (Gate of Life Fire), it fails to steam and warm Spleen Earth upwards, which is the root cause of diarrhea during pregnancy. Although external contractions of wind, cold, summer-heat, and dampness, or internal injuries from raw and cold food may occur, the underlying etiology lies in Spleen and Kidney deficiency.
Food retention during pregnancy often stems from weakness of Middle Qi in the Spleen and Stomach, impairing transformation and transportation; if Middle Qi were robust, this disease would not occur. The fetus relies on the Spleen and Stomach as its foundation; strong Spleen and Stomach function keeps the fetus secure like a suspended bell, whereas food retention causes Spleen distress and fetal insecurity. Therefore, in cases requiring digestion promotion and stasis resolution, the primary approach must be tonifying the Spleen and strengthening the Stomach. By promoting Grain Qi, food digests naturally. Merely employing digestive and purgative methods not only risks fetal expulsion but also exacerbates Spleen deficiency, exhausting the source of transformation.
Internal injury from seven emotions and external contraction of six climatic pathogens can both lead to hemorrhage. Hematemesis (vomiting blood) during pregnancy is primarily attributed to Heat-Fire. Since Qi and Blood congregate to nourish the fetus, any disturbance can cause Qi rebellion, allowing Fire to ascend to the Heart. This results in mental restlessness and chest fullness, with blood overflowing following the Qi. However, Fire has slight distinctions between Excess and Deficiency. Excess Fire requires clearing Heat to nourish Blood; Deficient Fire requires nourishing Yin to supplement Water. In this manner, Blood can be stabilized and the fetus secured. Indiscriminate use of blood-invigorating or blood-breaking agents will inevitably cause miscarriage, bringing disaster swiftly.