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For conditions of severe excess and fullness, with Qi rushing upward, pulse present in the upper body but absent in the lower body, and a sensation of blockage, oppression, and confusion, emesis (emetic therapy) should be employed.
*Gua Di* (Cucumeris Fructus, 1 fen) *Chi Xiao Dou* (Adzuki Bean, 1 fen)
Grind the above into an extremely fine powder. Mix with a small amount of warm water to form a dose equivalent to one *qian bi*. Administer until vomiting occurs. If the injury is too severe, use *Beiji Wan* (Emergency Pill) to purge downward; this is an emergency preparation.
The Classics state: "For pathology located below, guide it out and exhaust it." This refers to such cases.

*Gan Jiang* (Dried Ginger, 1 liang) *Sheng Da Huang* (Raw Rhubarb, 1 liang) *Sheng Ba Dou* (Raw Croton Seed, 0.5 liang, remove heart membrane, grind into paste, spread on new tile to remove oil, obtain the frost/residue)
Grind the above into a fine powder. Use refined honey to make pills the size of *Tongzi* (pistacia seeds). Take two or three pills with warm water at any time, stopping when diarrhea occurs. Adjust the dosage gradually according to the condition.

For epidemic diseases causing internal injury, with epigastric痞 (pi syndrome/stagnation), descending Qi failing, and inability to digest rice/food.
*Da Huang* (Rhubarb, 1 liang) *Zhi Shi* (Immature Bitter Orange, 0.5 liang, stir-fried) *Jie Geng* (Platycodon Root, 2 liang) *Qian Niu Tou* (Morning Glory Seed, fine powder, 1 fen)
Grind the above into a fine powder. Make pills using ginger juice paste; steamed bread dough is also acceptable. Size should be like *Tongzi* seeds. Take twenty to thirty pills with warm water; for daily maintenance, reduce the dose by half. Internal injury leads to the decline of Wu Fire (Spleen/Stomach Yang/Fire), which cannot control food processing. Using too many cold-natured herbs is inappropriate; therefore, warm-formulae are used as the primary treatment.

This was originally a decoction from Zhang Zhongjing, modified into pills by Yi Lao (Zhang Bi). It treats weakness in the elderly and children, indigestion, and soft/weak visceral function.
*Zhi Shi* (Immature Bitter Orange, 3 fen, stir-fried with bran to yellow) *Bai Zhu* (Atractylodes Macrocephala, 1 liang)
Grind the above into a fine powder. Wrap in lotus leaves and bake with rice to make pills, or use ginger-infused steamed bread dough. Size like *Tongzi* seeds. Take thirty to twenty pills with rice drink after meals.
Pills for children should be smaller.
Haizang Laoren (Wang Haogu) said: Since Jiegulaoren provided methods for purging the Three Yin channels, there must also be methods for tonifying the Three Yin channels. I wish to list these formulas for tonifying the Three Yin channels in internal injury.
I have not seen Zhongjing's [relevant] text, nor have I read it, and thus do not know it, so I cannot speak of it!

If internal injury is caused by drinking cold liquids, although the Stomach is damaged first, it is unknown which channel the complexion and pulse indicate. If the face is green-black, and the pulse varies in depth (floating/sinking), being wiry and weak, the injury is in the Jueyin channel. If the face is red, and the pulse varies in depth, being thin and faint, the injury is in the Shaoyin channel; if the face is pure yellow, and the pulse varies in depth, being slow and delayed, the injury is in the Taiyin channel.
If the face is green, black, or green-black, and the pulse varies in depth, being wiry and weak, the injury is in the Jueyin Liver channel.