治少阴病一二日。口中和。其背恶寒者。当灸之。宜此方主之。又少阴病身体痛。
手足寒。骨节痛。脉沉者。宜此方主之。
附子（二枚 生用。） 茯苓（三两） 人参（二两） 白术（四两） 芍药（三两）
上五味。以水八升。煮取三升。去滓。温服一升。日三服。
歌曰 生附二枚附子汤。术宜四两主斯方。芍苓三两人参二。背冷脉沉身痛详。
蔚按。论云。少阴病得之一二日。口中和。其背恶寒者。当灸之。宜此汤。此治太阳之
阳虚
此治少阴君火内虚神机不转也。方中君以生附子二枚。益下焦水中之生阳以达于上焦之君火
也。臣以白术者。以心肾藉中土之气而交合也。佐以人参者。取其甘润以济生附之大辛。又
佐以芍药者。取其苦降以泄生附之大毒也。然参、芍皆阴分之药。虽能化生附之暴。又恐其
掣生附
芍成功之后从小便而退于无用之地。不遗余阴之气以妨阳药也。师用此方。一以治阳虚。一
以治阴虚。时医开口辄言此四字。其亦知阳指太阳。阴指少阴。一方统治之理乎。
治少阴病下利。便脓血者。此汤主之。又少阴病二三日。腹痛。小便不利。下利不
便脓血者主之。
赤石脂（一斤 一半全用。一半筛末。） 干姜（一两） 粳米（一升）
上三味。以水七升。煮米令熟。去滓。内石脂末方寸匕。温服七合。日三服。若一服愈。
余
歌曰 一升粳米一斤脂。脂半磨研法亦奇。一两干姜同煮服。少阴脓血是良规。
张令韶曰。少阴病下利脓血。桃花汤主之。此感少阴君火之热。不病无形之气化。而病
有形
干
便不利。下利不止。便脓血者。桃花汤主之。此言二三日至四五日。值太阴主气之期而脾络
不通。则为腹痛。脾络不通不能转输。则为小便不利。小便不利则水谷不分而为利不止。阴
络伤则为脓血。石脂为山之血脉凝结而成。故治经脉之病。下节言便脓血可刺者。所以申明
病在经脉之义也。
To treat Shaoyin disease (Shaoyin Syndrome) occurring within one or two days, where the mouth feels neutral (no bitter taste or dryness), and there is aversion to cold in the back, moxibustion should be applied, and this formula is indicated. It is also indicated for Shaoyin disease presenting with body pain, cold hands and feet, joint pain, and a deep pulse.
Fuzi (Aconiti Lateralis Radix Praeparata, raw, 2 pieces) Fuling (Poria, 3 liang) Renshen (Ginseng Radix, 2 liang) Baizhu (Atractylodis Macrocephalae Rhizoma, 4 liang) Shaoyao (Paeoniae Radix Alba, 3 liang)
Take these five herbs, add eight sheng of water, decoct to obtain three sheng of liquid, strain off the dregs, and take one sheng warm, three times daily.
Song says: Two pieces of raw Fuzi constitute the Fuzi Tang; Baizhu at four liang is the main herb of this formula. Shaoyao and Fuling are three liang each, Renshen is two liang; carefully distinguish symptoms such as cold back, deep pulse, and body pain.
Wei An (Chen Nianzu's commentary): The Treatise states that for Shaoyin disease acquired in one or two days, if the mouth is neutral and there is aversion to cold in the back, moxibustion should be used, and this decoction is suitable. This treats the deficiency of Yang in the Taiyang channel (Note: The text contrasts this with Shaoyin, but explicitly links it to Shaoyin Jun Fire deficiency below). This treats the internal deficiency of Shaoyin Jun Fire, where the spiritual mechanism fails to rotate. In the formula, raw Fuzi (2 pieces) serves as the sovereign drug, benefiting the generating Yang within the Water of the Lower Jiao to reach the Jun Fire of the Upper Jiao. Baizhu serves as the minister drug, because the Heart and Kidney rely on the Qi of the Middle Earth (Spleen/Stomach) to interact and combine. Renshen serves as an assistant drug, utilizing its sweet and moist nature to moderate the extreme acridity of raw Fuzi. Shaoyao also serves as an assistant drug, utilizing its bitter and descending nature to drain the severe toxicity of raw Fuzi. However, both Renshen and Shaoyao are Yin-natured drugs; although they can resolve the violent nature of Fuzi, they might restrain its efficacy. After Fuzi exerts its effect, these Yin drugs will exit through urination to a place of no use, leaving no residual Yin Qi to hinder the Yang drugs. Master Zhang Zhongjing uses this formula to treat Yang deficiency in one aspect, and Yin deficiency in another. Contemporary physicians speak of these two terms casually; do they understand that "Yang" refers to Taiyang, "Yin" refers to Shaoyin, and the principle of one formula governing treatment?
To treat Shaoyin disease with diarrhea accompanied by pus and blood in the stool, this decoction is indicated. It is also indicated for Shaoyin disease lasting two or three days, presenting with abdominal pain, difficulty in urination, and diarrhea without pus and blood.
Chishizhi (Halloysitum Rubrum, 1 jin; half used whole, half sifted into powder) Ganjiang (Zingiberis Rhizoma, 1 liang) Jingmi (Oryza Sativa, 1 sheng)
Take these three ingredients, add seven sheng of water, boil until the rice is cooked, strain off the dregs, add one cun bi of Chishizhi powder, and take seven ge warm, three times daily. If cured after one dose, do not take the remainder.
Song says: One sheng of Jingmi and one jin of Chishizhi; the method of grinding half the Chishizhi is also unique. Boil with one liang of Ganjiang and take; this is the good standard for treating Shaoyin pus and blood.
Zhanglingshao (Zhang Yinzhan) said: For Shaoyin disease with diarrhea and pus/blood, Taohua Tang is indicated. This is due to contracting the heat of Shaoyin Jun Fire, which does not affect the formless Qi transformation, but affects the有形 (form/structure). This leads to difficulty in urination, continuous diarrhea, and stools containing pus and blood. This refers to the period from the second or third day to the fourth or fifth day, when the Qi of Taiyin Spleen is dominant. If the Spleen collaterals are blocked, abdominal pain occurs; if the Spleen collaterals cannot transport, urination becomes difficult; if urination is difficult, water and grain are not separated, leading to continuous diarrhea; injury to the Yin collaterals results in pus and blood. Chishizhi is formed from the congealed blood vessels of the mountain, thus it treats diseases of the meridians. The following section mentions that pus and blood in stools can be treated with acupuncture, to clarify the meaning that the disease lies in the meridians.