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Stephaniae Tetrandrae Radix (Fangji), Sesami Fructus (Jiumu), Lepidii Semen Tingli (Tingli), Rhizoma et Radix Rhei (Dahuang) each 1 liang.
The above four herbs are powdered, mixed with honey to form pills the size of a wutong seed. Take one pill before meals with warm water, three times a day, gradually increasing the dose. If there is saliva in the mouth but thirst persists, add Natrii Sulfas (Mangxiao) 0.5 liang.

[Ji Jie - Collected Commentary]
Cheng Lin stated: Fangji and Jiumei guide the fluid retention forward, allowing the clear portion to exit via urination; Dahuang and Tingli push the fluid retention backward, allowing the turbid portion to exit via defecation. This method of eliminating fluid from both front and back reduces abdominal fullness and promotes the movement of fluid retention, thereby restoring the function of the Spleen Qi and generating body fluids. If thirst is severe, exceeding mere dryness of the mouth and tongue, Mangxiao is added to assist the other herbs in reducing abdominal fullness and protecting the Spleen Earth.

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A pulse that is deep (Chen) and wiry (Xian) indicates Xuan Yin (Hanging Fluid Retention) with internal pain.

[Note]
A deep pulse indicates an interior syndrome; a wiry pulse indicates fluid retention. The pathology of Xuan Yin belongs to fluid retention stagnating in the interior, hence it presents as internal pain caused by Xuan Yin.

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For patients suffering from Xuan Yin (Hanging Fluid Retention), Shizao Tang (Ten Date Decoction) is the primary treatment.

[Note]
This follows the previous clause to clarify the treatment method. Shizao Tang is indicated for patients with robust physical constitution and sufficient Zheng Qi (Upright Qi). If the patient's constitution is slightly deficient, the prescription should be adjusted according to clinical judgment.

[Zhu Zhu - Collected Annotations]
Zhao Liang stated: A deep pulse indicates the disease is located in the interior. Generally, a wiry pulse indicates pain, fluid retention, or phlegm-stagnation. When Xuan Yin accumulates internally causing pain, the pulse manifests as deep and wiry.

Genkwa Flos (Yuanhua), Kansui Radix (Gansui), Euphorbiae Pekinensis Radix (Daji) in equal parts.
The above three herbs are crushed and sifted. Using 1.5 sheng of water, first decoct ten large Jujubae Fructus (Dazao) until reduced to 0.8 sheng. Remove the dregs, add the herbal powder. Strong individuals take one qianbi (a spoonful measure); frail individuals take half a qianbi. Take warm on an empty stomach in the morning. If no purgation occurs, administer another half qianbi the next day. After obtaining rapid purgation, nourish oneself with millet porridge.

[Zhu Zhu - Collected Annotations]
Li [Name Missing] stated: All three herbs are bitter in flavor; bitterness drains and descends, reaching directly to the nests where fluid retention accumulates. However, fearing that such harsh purgation might damage the body's true Yuan Qi (Primordial Qi), Dazao is added. Its sweet flavor moderates the action. Since Jujube is the fruit of the Spleen, tonifying Spleen Earth helps control Water.

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For patients suffering from Yi Yin (Overflowing Fluid Retention), diaphoresis (sweating) should be induced. Da Qinglong Tang (Major Blue Dragon Decoction) is the primary treatment, and Xiao Qinglong Tang (Minor Blue Dragon Decoction) may also be used.

[Note]
Yi Yin belongs to the exterior channels and muscles. Although diaphoresis is required, there is a distinction between heat and cold syndromes. For heat syndromes, induce sweating with acrid-cool herbs using Da Qinglong Tang; for cold syndromes, induce sweating with acrid-warm herbs using Xiao Qinglong Tang. Hence, it is stated that Da Qinglong Tang is primary, while Xiao Qinglong Tang is also applicable.

[Zhu Zhu - Collected Annotations]
You Yi stated: When water qi circulates and settles in the four limbs, and sweating should occur but does not, resulting in heaviness and pain in the body, this is called Yi Yin. The four limbs belong to Yang; water retained in Yin locations is suitable for promoting urination, while water in Yang locations is suitable for inducing sweating.