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To treat Shaoyin disease at its onset, presenting with fever, deep pulse, and absence of interior syndromes.
Mahuang (Ephedrae Herba, one liang) Fuzi (Aconiti Lateralis Radix Praeparata, one piece, processed) Xixin (Asari Radix et Rhizoma, two liang)
Take the above three herbs, add ten dou of water, first decoct Mahuang until the volume reduces by two dou, skim off the foam, then add the remaining herbs, decoct to obtain three sheng of liquid, strain. Take one sheng warm, three times a day.
If the heat is mild, replace Xixin with Gancao (Glycyrrhizae Radix et Rhizoma) to induce slight sweating.
Ke Yunbo stated: Shaoyin governs the interior and should not present exterior syndromes. Diseases originating from Yin should have internal heat. Now, upon just receiving cold pathogen, fever occurs immediately, yet there is no heat in the interior. It resembles Taiyang disease but is attributed to Shaoyin because there is no headache and only drowsiness. Generally, Shaoyin corresponds to Taiyang as its counterpart; speaking broadly involves Yin and Yang, speaking specifically reveals the yin-yang relationship within the interior. The Kidney Qi sinks alone, thus although the body is hot, the pulse is deep. The exterior manifests heat, so it is convenient to add Fuzi to exterior-releasing formulas to pre-emptively secure the Yang, preventing Yin pathogens from invading inward, and preventing isolated Yang from floating outward! (Both releasing and securing, this is the profound meaning of this formula.) Fever and anhidrosis require opening the Taiyang exterior; a deep pulse indicates pathology in the interior, and the Shaoyin pivot is obstructed.

After purgation followed by sweating, if the patient experiences restlessness during the day preventing sleep, but remains quiet at night, without vomiting or thirst, no exterior syndrome, with a deep and faint pulse, and no significant heat on the body:
Ganjiang (Zingiberis Rhizoma, one liang) Fuzi (Aconiti Lateralis Radix, one piece, peeled, broken into eight slices, raw)
Take the above two herbs, add three sheng of water, take all at once.
If after sweating or purgation the disease persists and restlessness occurs, Lingjue Sini Tang (Poria Decoction for Reversing Collapse) is the primary treatment.
Fuling (Poria, six liang) Renshen (Ginseng Radix, one liang) Gancao (Glycyrrhizae Radix et Rhizoma, two liang, honey-fried) Ganjiang (Zingiberis Rhizoma, one and a half liang) Fuzi (Aconiti Lateralis Radix, one piece, peeled, raw)
Take the above five herbs, add five sheng of water, decoct to three sheng, take seven ge warm, three times a day.
Ke Yunbo stated: Both these clauses describe complications of Taiyang disease that have transferred to Shaoyin. Whenever Taiyang disease is treated with improper sweating or purgation, the resulting changes may remain in Taiyang or transfer to Shaoyin. By carefully distinguishing whether the exterior syndrome has resolved or not, one can differentiate between greater or lesser deviations of Yin and Yang, avoiding confusion, thereby ensuring that the selection of formulas and dosages are flawless. First sweating then purging is methodologically consistent, yet if the exterior remains unresolved, it indicates improper purgation leading to loss of Yin, with both Yin and Yang deficient causing restlessness; Lingjue Sini Tang is formulated to secure Yin and gather Yang. First purging then sweating is therapeutically adverse, yet if the exterior syndrome resolves and internally there is no vomiting or thirst, it seems like self-harmonization of Yin and Yang, but actually represents improper sweating leading to loss of Yang. Thus, deficient Yang disturbs the Yang aspect, causing daytime restlessness and inability to settle; Yang deficiency prevents entry into Yin, hence the deep faint pulse and nighttime quietness; this is true Yang about to collapse causing restlessness. Ganjiang and Fuzi are used to secure Yang and coordinate with Yin. (The discussion of the formula is extremely profound!) Although both present with restlessness, the formulas used differ significantly. Ganjiang and Fuzi belong to Yang within Yang; their qi transformation does not rely on roots or shoots, but can tonify the formless primordial Qi, calming the restlessness of external-floating deficient Yang, thus serving as the Sovereign herb; Renshen can restore Yuan Qi where it is nearly exhausted and unblock blood vessels when they are minute and near cessation, thus serving as the Assistant. This formula uses Renshen to assist Fuling in tonifying the primordial Qi of the Lower Jiao; [text implies further coordination]... (These discussions on urgency and moderation broaden the minds of future scholars.)