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Where the exterior is not resolved by sweating, it refers to incomplete sweating. Incomplete sweating results in a tight pulse, aversion to cold, and the persistence of exterior syndrome (Exterior Syndrome), which makes continued diaphoresis (Diaphoresis) even more appropriate. However, there are cases where the more one sweats, the less the condition resolves. For instance, sweating accompanied by cold limbs indicates the decline of Yang Qi (Yang Qi); sweating with a restless pulse indicates the exhaustion of Yin Qi (Yin Qi); sweating with irritability and fullness indicates the dryness of Stomach fluids (Stomach Fluids). Regarding "failure to resolve after indicated sweating," few cases fail due to insufficient sweating (insufficiency), while many fail due to excessive sweating (excess). Regarding "failure to resolve after non-indicated sweating," this is due to inaccurate pattern differentiation; either other syndromes are interfering, or it belongs to deficiency patterns. All such cases are termed "unresolved," but since the symptoms are drastically different, the treatments must also differ. How can one, seeing that the patient has sweated, conclude that diaphoresis was ineffective and repeat it? Such repeated errors would only shorten life.

Where purgation does not resolve the condition, it refers to persistent abdominal fullness and body heat after purgation, indicating that further purgation (Purgation) is still appropriate. However, there are cases where the more one purges, the less the condition resolves. For example, in conditions like Jie Xiong (Chest Binding), Pi Man (Pi Fullness), and diarrhea, if purgation is repeated, having already failed to purge correctly and damaged the healthy Qi, one must not purge again. One must cease purgation; otherwise, the Pi binding will not disperse, pathogenic factors remain, and healthy Qi becomes deficient. Competent physicians regulate Yuan Qi (Primary Qi) and assist in eliminating pathogens; incompetent physicians merely seek to exhaust the prescription, disregarding human life. At this stage, discussing clearing heat, purging, or tonifying is all difficult. Only by raising Yang and benefiting the Spleen/Stomach, combining elimination with harmonization, might there be a faint hope. Otherwise, what is called "unresolved" will truly remain unresolved.

Among the Three Yin meridians, Cold invasion leads to diarrhea with undigested food (Qing Gu). Zhang Zhongjing uses Lizhong Tang with Ginger and Aconite (Lizhong Jiang Fu Tang). When the Three Yang meridians are involved simultaneously, spontaneous diarrhea occurs. Zhang Zhongjing uses Huangqin Tang for Taiyang-Shaoyang involvement, and Chengqi Tang for Shaoyang-Yangming involvement. This is because Shaoyang involves Fire stagnation, while Yangming involves upward stagnation. Although the pathogenic factors of the Three Yang are still on the exterior, why does rapid diarrhea occur? It is because the pathogen is stagnant and cannot extend, leading to Sun Xie (undigested stool diarrhea). Therefore, it is appropriate to use ascending and dispersing agents to raise the pathogen, rather than immediately suppressing it with Huangqin Tang or Chengqi Tang. However, if purgatives are administered too early while the exterior pathogen remains unresolved, the pathogen sinks inward; if cooling herbs are used too early while the exterior pathogen is not cleared, water-dampness spreads laterally. Neither should be simply treated as Xie Re Xia Li (Diarrhea with Accompanying Heat) by clearing heat, for this causes the pathogen to remain trapped and food digestion to fail further. One should administer mild ascending and dispersing agents with slight digestive properties to drain the pathogen from the Upper and Middle Jiao, so that the Lower Jiao naturally becomes solid. If the pulse is rapid, the body is hot, and the diarrhea is urgent, due to the swift nature of Fire, then Huangqin (Scutellariae Radix) and Baishao (Paeoniae Radix Alba) may be used to moderate the center and clear heat, assisted by Zhike (Aurantii Fructus), Houpo (Magnoliae Officinalis Cortex), Gancao (Glycyrrhizae Radix et Rhizoma), and Chenpi (Citri Reticulatae Pericarpium). Adding Chaihu (Bupleuri Radix) and Gegen (Puerariae Lobatae Radix) to ascend is the most appropriate method. Nowadays, people do not examine the cause; upon encountering diarrhea, they discard warming the middle and immediately claim "Xie Re." How can treatment be effective under such circumstances?

Huangqin Nongpu Tang: Treats Diarrhea with Accompanying Heat.
Huangqin (1.5 qian), Baishao (stir-fried), Houpo (processed with ginger juice), Zhike (stir-fried), Guang Chenpi, Gegen (each 1 qian), Gancao (0.5 qian, honey-fried), Chaihu (0.7 qian).
Add one slice of Shengjiang (Zingiberis Rhizoma Recens), decoct in water.