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The nature of stone is heavy and sinking. After ingestion, it returns to the Kidney. If it triggers a reaction, heat generates in the Zang-Fu organs, and body fluids become dry. The Kidney dislikes dryness; when the Kidney is dry, thirst occurs, leading to an urge to drink water.

Generally, Yang Qi resides on the exterior, while Yin Qi resides in the interior. Thus, there is neither pure Yin at the bottom nor pure Yang at the top. Both must be balanced and unobstructed so that the Qi of the Five Zang organs does not lack nourishment.

**Maidong San (Ophiopogon Powder)** [from *Taiping Shenghui Fang*]: Treats reactions triggered by Ru Shi (mineral drugs), characterized by irritability and thirst, high fever, headache, stiffness and tension in the back and shoulders, and loss of appetite.
Ingredients: Maidong (*Ophiopogonis Radix*, heart removed), Baimaogen (*Imperatae Rhizoma*, chopped), each 1 liang; Huangqin (*Scutellariae Radix*), Xuanshen (*Scrophulariae Radix*), Xijiaoxie (*Rhinocerotis Cornu*, shaved), Chuan Shengma (*Bupleuri Radix*), Ji (*Cardamineae Herba*), Digupi (*Lycii Cortex*), each 3 qian.
Usage: The above ingredients are ground into powder. Take 4 qian per dose. Add 1 zhong zhan (approx. 200ml) of water, decoct until reduced to 6 fen (approx. 120ml). Strain and take warm, at any time.

**Huanglian San (Coptis Powder)** [from *Taiping Shenghui Fang*]: Treats reactions triggered by Ru Shi, where heat-toxin attacks upward, causing mental restlessness and thirst, headache, red eyes, tendon and vessel stiffness, painful joints, and loss of appetite.
Ingredients: Huanglian (*Coptidis Rhizoma*, whiskers removed, 1 liang), Shigao (*Gypsum Fibrosum*), Chuan Mangxiao (*Natrii Sulfas*, each 1 liang), Xuanshen (*Scrophulariae Radix*), Daqing (*Isatidis Folium*), Fangfeng (*Saposhnikoviae Radix*, rhizome removed), Zhizi Ren (*Gardeniae Semen*, fried), Huangqin (*Scutellariae Radix*), Shengjiang (*Zingiberis Rhizoma Recens*, half liang).
Usage: Coarsely crush and sieve the above ingredients. Take 4 qian per dose. Add 1 zhong zhan of water, decoct until reduced to 6 fen. Strain and take warm, at any time.

**Huangqin Tang (Scutellaria Decoction)** [from *Taiping Shenghui Fang*]: Treats reactions triggered by Ru Shi, characterized by high fever, irritability, and thirst, body pain, stagnation and difficulty in urination and defecation, chest oppression, and inability to eat.
Ingredients: Huangqin (*Scutellariae Radix*, chopped, 1.5 liang), Maidong (*Ophiopogonis Radix*, heart removed), Mutong (*Akebiae Caulis*, chopped), Qianhu (*Peucedani Radix*, rhizome removed, each 1 liang), Gualougen (*Trichosanthis Radix*, 2 liang), Chishao Yao (*Paeoniae Radix Rubra*).
Usage: Coarsely crush and sieve the above ingredients. Take 4 qian per dose. Add 1 zhong zhan of water, decoct until reduced to 6 fen. Strain and take warm, at any time.

**Huangqin Tang (Scutellaria Decoction)** [Treats Ru Shi reactions with heat-thirst and dry mouth].
Ingredients: Huangqin (*Scutellariae Radix*, chopped), Maidong (*Ophiopogonis Radix*, heart removed and dried), Shaoyao (*Paeoniae Radix*), Gualougen (*Trichosanthis Radix*, each 3 liang), Shengma (*Cimicifugae Rhizoma*, 2 liang), Zhizi Ren (*Gardeniae Semen*, 30 grains).
Usage: Coarsely crush and sieve. Take 4 qian per dose. Add 1 zhong zhan of water, decoct until reduced to 6 fen. Strain and take warm, at any time.

**Zhuye Tang (Bamboo Leaf Decoction)** [Treats Ru Shi reactions with irritability, heat, and severe thirst].
Ingredients: Danye Zhu Ye (*Phyllostachys Nigra Leaves*, 50 leaves), Shigao (*Gypsum Fibrosum*, crushed, 2 liang), Xiaomai (*Tritici Fructus*, 1 he), Chifuling (*Polyporus*, red variant), Gancao (*Glycyrrhizae Radix et Rhizoma*, raw), Gualougen (*Trichosanthis Radix*, heart removed).
Usage: Coarsely crush and sieve. Take 4 qian per dose. Add 1 zhong zhan of water, decoct until reduced to 6 fen. Strain and take warm, at any time.

**Fuling Tang (Poria Decoction)** [from *Shengji Zonglu*]: Treats Ru Shi reactions with intense heat, dry mouth, and thirst.
Ingredients: Baifuling (*Porii Poria*, black skin removed, 4 liang), Baizhu (*Atractylodis Macrocephalae Rhizoma*), Jiangjiang (*Zingiberis Rhizoma*, processed), Gui (*Cinnamomi Ramulus*, coarse bark removed), Gancao (*Glycyrrhizae Radix et Rhizoma*, honey-fried, chopped, each 1.5 liang), Zexie (*Alismatis Rhizoma*), Xiaomai (*Tritici Fructus*).
Usage: Coarsely crush and sieve. Take 4 qian per dose. Add 1 zhong zhan of water, decoct until reduced to 6 fen. Strain and take warm, at any time.

**Chaihu San (Bupleurum Powder)** [from *Taiping Shenghui Fang*]: Treats Ru Shi reactions with dry mouth, irritability, and thirst, limb pain, restlessness in lying down or sitting up, and poor appetite.
Ingredients: Chaihu (*Bupleuri Radix*, sprouts removed, 1 liang), Chishao Yao (*Paeoniae Radix Rubra*), Zhi Mu (*Anemarrhenae Rhizoma*), Ziqin (*Scutellariae Radix*), Ji (*Cardamineae Herba*), Qinjiao (*Gentianae Macrophyllae Radix*, sprouts removed, each 3 qian), Gancao (*Glycyrrhizae Radix et Rhizoma*, raw, chopped, half liang).
Usage: Coarsely crush and sieve. Take 4 qian per dose. Add 1 zhong zhan of water, decoct until reduced to 6 fen. Strain and take warm, at any time.

**Gegen Jian (Kudzu Paste)** [from *Taiping Shenghui Fang*]: Treats Ru Shi reactions with deficiency-heat rushing upward, dry mouth, redness of head and face, and severe thirst.
Ingredients: Sheng Gegen (*Puerariae Radix*, fresh, juice extracted), Baimi (*Mellis*), Shengjiangzhi (*Zingiberis Rhizoma Recens Juice*, 3 fen, approx. 1 cup measure), Jiangzaorou (*Jujubae Fructus Flesh*, 2 liang, pounded into paste), Sheng Dihuang (*Rehmanniae Radix Recens Juice*, 1 cup measure), Maidong (*Ophiopogonis Radix*, heart removed, pounded into paste, 2 liang).
Usage: Simmer all ingredients over low heat in a silver or ceramic vessel until thickened like maltose syrup. Store in a porcelain jar. Take half a spoonful at a time, holding it in the mouth to dissolve, at any time.

**Zhuye Tang (Bamboo Leaf Decoction)** [from *Taiping Shenghui Fang*]: Treats Ru Shi reactions with fever and thirst.
Ingredients: Danye Zhu Ye (*Phyllostachys Nigra Leaves*, cut, half jin), Chifuling (*Polyporus*, black skin removed), Shigao (*Gypsum Fibrosum*, crushed, each 1 liang), Gualougen (*Trichosanthis Radix*, 1.5 liang), Xiaomai (*Tritici Fructus*, 1 liang).
Usage: Coarsely crush and sieve. Take 4 qian per dose. Add 1 zhong zhan of water, decoct until reduced to 6 fen. Strain and take warm, at any time.

**Renshen Tang (Ginseng Decoction)** [from *Taiping Shenghui Fang*]: Treats symptoms after taking Ru Shi, including chest stuffiness, irritability, thirst, indigestion of food regardless of temperature, abdominal distension, and vomiting clear fluid.
Ingredients: Renshen (*Panacis Ginseng Radix*), Zhike (*Aurantii Fructus Immaturus*, pulp removed, bran-fried), Gancao (*Glycyrrhizae Radix et Rhizoma*, honey-fried, chopped), Gualougen (*Trichosanthis Radix*, chopped), Baizhu (*Atractylodis Macrocephalae Rhizoma*, each 1 liang).
Usage: Coarsely crush and sieve. Take 4 qian per dose. Add 1.5 zhan of water and 2 Jujubes (split open). Decoct until reduced to 1 zhan. Strain and take warm, at any time. Another version includes Qianhu and excludes Baizhu.

**Huanglian Wan (Coptis Pill)** [from *Taiping Shenghui Fang*]: Treats Ru Shi-induced thirst.
Ingredients: Huanglian (*Coptidis Rhizoma*, whiskers removed, half jin), Maidong (*Ophiopogonis Radix*, heart removed, dried, 2 liang), Sheng Dihuang Zhi (*Rehmanniae Radix Recens Juice*), Gualougen Zhi (*Trichosanthis Radix Juice*), Yangru (*Ovis Lac*, each 2 he).
Usage: First, grind Huanglian and Maidong into fine powder. Mix with the juices and milk. Boil down into pills the size of wutong seeds. Take 20 pills per dose with warm water, at any time.

**Congbai Yin (Scallion White Drink)** [from *Shengji Zonglu*]: Treats Ru Shi-induced thirst.
Ingredients: Congbai (*Allii Fistulosi Bulbus*, cut, 4 liang), Hucai (*Brassicae Pekinensis var. Napa Herba*, cut), Ji (*Cardamineae Herba*, chopped), Gouqi (*Lycii Fructus*, crushed, each 1 liang).
Usage: Coarsely crush and sieve. Take 2 liang per dose. Add 2 bowls of water, decoct until reduced to 1 bowl. Strain and take warm, at any time.

**Zhishi Tang (Immature Bitter Orange Decoction)** [from *Shengji Zonglu*]: Treats Ru Shi reactions with congestion, heat, irritability, thirst, and dryness.
Ingredients: Zhishi (*Aurantii Fructus Immaturus*, pulp removed, bran-fried), Chifuling (*Polyporus*, black skin removed), Shigao (*Gypsum Fibrosum*, crushed, each half liang).
Usage: Coarsely crush and sieve. Take 5 qian per dose. Add 1.5 zhan of water, decoct until reduced to 6 fen. Strain and take warm, at any time.

**Taoren Zhou (Peach Kernel Porridge)** [from *Shengji Zonglu*]: Treats Ru Shi reactions with intense heat, restlessness, and dry mouth.
Ingredients: Taoren (*Persicae Semen*, skin and tip removed, non-double kernels, pounded, 2 liang), Baizhu (*Atractylodis Macrocephalae Rhizoma*, half sheng).
Usage: Add 1 dou (approx. 10 liters) of water to the ingredients. Decoct until reduced to 5 sheng (approx. 5 liters). Drink freely as needed when thirsty.

**Formula for Severe Thirst from Ru Shi Reactions** [from *Shengji Zonglu*]:
Use 3 sheng of live field snails. Wash them 2-3 times with water. Soak them in 1 dou of fresh well water overnight. Clarify and take the clear juice, drinking at any time.

**Formula for Thirst from Ru Shi Reactions** [from *Shengji Zonglu*]:
Use only bamboo root (Zhugen). Wash and chop 5 liang. Decoct in 5 bowls of water until concentrated. Take the juice when thirsty.

**For Thirst from Ru Shi Reactions** [from *Shengji Zonglu*]:
Use 3 he of Qingliangmi (blue millet). Boil in water to extract the juice and drink.

**Another Formula** [from *Shengji Zonglu*]:
Take 1 sheng of Dama Ren (Hemp Seed), pounded. Take 3 he per dose. Decoct in 3 sheng of water until reduced to 2 sheng. Sip frequently. This is effective.

**Another Formula** [from *Shengji Zonglu*]:
Use 0.5 jin of Huangbo (*Phellodendri Cortex*). Remove bark and chop. Take 2 liang per dose. Decoct in 5 zhan of water until reduced to 3 zhan. Drink when thirsty.

**Another Formula**:
Crush Donggua (Winter Melon) to extract juice and drink. This is effective.

**Another Formula**:
Soak chicken eggs in water. Extract the egg white and consume raw. This is very effective.

**For Thirst from Dan Shi (Mineral Drug) Reactions** [from *Taiping Shenghui Fang*]:
Take one piece of Hanshui Shi (Halloysitum), sized like an apricot. Hold it in the mouth until relieved.

**Huashi Tang (Talc Decoction)** [from *Taiping Shenghui Fang*]: Treats Ru Shi reactions with dryness, heat, and incessant thirst.
Use 0.5 liang of Huashi (*Talcum*). Grind finely into powder. Add 1 zhong zhan of water, squeeze/filter to obtain a milky liquid. Drink in one go. If not cured, take another dose.

**Another Formula** [from *Taiping Shenghui Fang*]:
Use 1 liang of Huanglian (*Coptidis Rhizoma*). Remove whiskers and chop. Decoct in 1 large zhan of water. Let cool. Divide into three doses.

**Shengdihuang Tang (Rehmannia Decoction)** [Also known as Huangqin Tang, from *Shengji Zonglu*]: Treats Ru Shi reactions with deficiency-heat and severe thirst.
*(Note: The text provided cuts off here regarding specific ingredients for this formula name, but proceeds to Sanggen Baipi).*

**Sanggen Baipi (Mulberry Root Bark)** [from *Bencao*]: Treats fever and thirst after taking Jinshi (metal and stone drugs); generates spirit.
Usage: Finely grind Sanggen Baipi (*Mori Cortex*). Filter through cloth to remove dregs. Boil in a ceramic vessel to form a thin paste. Add honey according to quantity. Boil again until thick. Store in porcelain. Take appropriate amount mixed with warm water.

**For Fever, Stuffy Heat, and Dry Mouth from Jinshi Drugs** [from *Bencao*]:
Extract juice from Bajiao Gen (*Musa Basjoo Radix*) and drink.

**To Relieve Irritability and Heat, Stop Diarrhea, Solidify Large Intestine, Suppress Stone Heat, and Stop Thirst** [from *Bencao*]:
Take Mai Dai Qiu (Roasted Barley Flour) mixed with water. People in Hedong make it from wheat; the coarse version is dry ration. People in the East make it from japonica rice, roasted dry and ground.