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Good prescription for treating Kidney Gan (Gan syndrome of the Kidney) with "Bengsha" manifestation:
Niu Huang (Calculus Bovis), Da Huang (Rhei Radix et Rhizoma), Sheng Di Huang (Rehmanniae Radix), Mu Xiang (Aucklandiae Radix), Qing Dai (Indigo Naturalis).
Grind the above five herbs into fine powder in equal parts. Take one tablespoonful each time, mixed with warm water.

Good prescription for treating Kidney Gan with "Kui Cao" (ulcerated alveolus) manifestation:
Rou Dou Kou (Myristicae Semen, processed), Hu Huang Lian (Coptidis Rhizoma alternative/Phellodendri Cortex alternative - *Note: Historically distinct from Coptis*, but often treated similarly in context; here kept as Hu Huang Lian), Ren Shen (Ginseng Radix), Xing Ren (Armeniacae Semen Amarum, stir-fried), Gan Cao (Glycyrrhizae Radix et Rhizoma, honey-fried).
Grind the above five herbs into fine powder in equal parts. For younger children, take half a tablespoonful each time, mixed with warm water.

Good prescription for treating Kidney Gan with "Xuan Lu" (exposed root/tooth exposure) manifestation:
Mu Xiang (Aucklandiae Radix), Bing Lang (Arecae Semen), Ren Shen (Ginseng Radix), Huang Lian (Coptidis Rhizoma), Gan Cao (Glycyrrhizae Radix et Rhizoma, honey-fried).
Grind the above five herbs into fine powder in equal parts. For older children, take one tablespoonful each time; for younger children, take half a tablespoonful, mixed with warm water.

Good prescription for treating Kidney Gan with "Fu Gen" (rotten root) manifestation:
Huang Qi (Astragali Radix, honey-fried), Niu Huang (Calculus Bovis), Ren Shen (Ginseng Radix), Tian Ma (Gastrodiae Rhizoma), Xi (Scorpio, stir-fried), Xing Ren (Armeniacae Semen Amarum, stir-fried), Bai Fu Ling (Poria), Chuan Dang Gui (Angelicae Sinensis Radix), Sheng Di Huang (Rehmanniae Radix, washed), Shu Gan Di Huang (Prepared Rehmanniae Radix, washed).
Grind the above ten herbs into fine powder in equal parts. For younger children, take half a tablespoonful each time, mixed with warm water prepared by decocting Tian Dong (Asparagi Radix) (Men Dong [Ophiopogonis Radix] is also acceptable).

Good prescription for treating Kidney Gan Yin Lan (gum and tooth rot, foul odor, frequent bleeding):
Sheng Gan Di Huang (Dried Rehmanniae Radix, 0.5 liang), Zhen Di Gu Pi (Lycii Cortex), Xi Xin (Asari Radix et Rhizoma, 1 fen each), Wu Bei Zi (Galla Chinensis, stir-fried until black, 2 liang).
Grind the above four herbs into extremely fine powder. Apply a small amount externally to the affected area frequently. It is effective even if the child eats afterwards.

Commentary: The *Shennong Bencao Jing* records five types of Gan syndromes, named according to the five Zang organs affected. Here, we discuss the five manifestations of Kidney Gan, which are the most critical and urgent, and cannot be treated as ordinary diseases. This disease presents with five manifestations and spreads rapidly, which is terrifying. Thus, the name "Zou Ma Gan" (Running Horse Gan) is not unfounded. At the initial stage, the infant has bad breath rising to the stomach, with foul-smelling respiration. Gradually, it damages the tendons and gums, causing sores on the flesh, either swelling or ulcerating. The teeth become scorched and black. Progressively, sores erupt from the gum tissue, breaking down and discharging pus. Further on, heat forces its way into the vessels, causing intermittent bleeding. Prolonged heat accumulation causes gum decay, widening of the alveolar bone, and tooth loss. If a six- or seven-year-old child loses all their teeth, they will never grow back; how can this be cured? Now, providing excellent prescriptions, treatment should be administered promptly, adjusting according to the progression of the disease, rather than waiting for the illness to manifest severely before medicating.

For infants and young children with weak spleen and stomach, inability to consolidate waste, persistent diarrhea and dysentery (red or white), imbalance of cold and heat, frequent episodes day and night, recurring after remission, the Li Chang Dou Kou San (Intestine Cardamom Powder) is suitable:
Rou Dou Kou (Myristicae Semen, one nut, baked), Hu Fen (Lead Subcarbonate, stir-fried, 2 liang), Long Gu (Fossilia Ossis Mastodi, raw, 1 liang), Bai Fan (Alumen, calcined, 1 liang).
Grind the above four herbs into powder. Take one tablespoonful each time, mixed with warm rice gruel, at any time. Alternatively, make thin paste pills the size of hemp seeds, taking 50–60 pills each time.

Commentary: Hu Fen is true lead powder, manufactured using lead methods. Produced in Shaozhou, it is called Shao Fen; produced in Dingzhou, it is called Ding Fen; collectively known as Guang Fen. Its nature is astringent and cold, thus used to secure the intestines and prevent deficiency-slipperiness. Dou Kou is a herb that warms the viscera and harmonizes the spleen and stomach; Long Gu and Bai Fan astringe the intestines and stop dysentery. For patients suffering from intestinal deficiency, slippery discharge, and severe dysentery occurring day and night without control, taking this remedy leads to timely recovery. All meat, fish, and pickled foods must be strictly prohibited. This formula is also highly effective for treating autumnal white dysentery.