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7. Restlessness of the body without stillness is termed "Zao" (Restlessness); vexation and disturbance of the mind is termed "Fan" (Vexation). If there is no restlessness of the body but difficulty in sleeping, it should be viewed as a heat syndrome. If one experiences "Ao Nu" (Severe Vexation/Regret), with severe mental vexation and no signs of cold, the nature of "Zao" must be examined from the perspectives of Yin/Yang and Exterior/Interior. For various types of "Fan", regardless of whether they occur before or after the application of the three methods (sweating, vomiting, purging), if the stool is soft, decoctions such as Zhuye Shigao Tang (Bamboo Leaf and Gypsum Decoction), Wendan Tang (Warm Gallbladder Decoction), or Zhizi Chi Tang (Gardenia and Fermented Soybean Decoction) may be used. If the stool is hard, depending on the depth of the heat, Baihu Tang (White Tiger Decoction) or the San Chengqi Tangs (Three Bowel-Opening Decoctions) should be used. When "Zao" appears together with Yin syndromes, it belongs to cold syndromes.

[Note] Body movement due to heat that causes uneasiness is called "Zao"; mental disturbance due to heat causing inner unrest is called "Fan". Fan disturbs internally, while Zao moves externally; therefore, there can be mental vexation without bodily restlessness, and bodily restlessness without mental vexation. Generally, Fan belongs to Yang, and Zao belongs to Yin. If one feels "Ao Nu" (severe inner vexation), tossing and turning, unable to sleep, and this does not present with bodily restlessness, there is no cold disease; it should be treated as a heat condition. However, "Zao" is different and requires treatment based on differentiation of Exterior/Interior and Yin/Yang. For instance, in Taiyang (Greater Yang) disease, restlessness and vexation due to lack of sweating indicates the pathogen is in the Exterior, which is the Da Qinglong Tang (Major Blue Green Dragon Decoction) syndrome. In Yangming (Yang Brightness) disease, restlessness and vexation associated with hardness below the heart indicates the pathogen is in the Yang aspect, which is the Baihu Tang (White Tiger Decoction) syndrome. In the Three Yin diseases, restlessness and vexation accompanied by vomiting, diarrhea, and cold extremities indicates the pathogen is in the Yin aspect, which is the Sini Tang (Frigid Extremities Decoction) category of syndromes. The term "various Fans" refers to mental vexation, insomnia, and "Ao Nu". Regardless of whether these symptoms appear before or after the use of sweating, vomiting, or purging methods, if the stool is not hard, Zhuye Shigao Tang, Wendan Tang, or Zhizi Chi Tang are appropriate for treatment. If the stool is hard, one should assess the depth of the heat and treat with Baihu Tang or the San Chengqi Tangs. When "Zao" presents concurrently with Yin syndromes, it indicates a cold-type restlessness belonging to Yin-Cold, suitable for treatment with Sini Tang, Lizhong Tang (Middle-Warming Decoction), or Wuzhuyu Tang (Evodia Decoction).

8. Spontaneous sweating accompanied by increasing heat warrants urgent purgation to preserve fluids; if additionally complicated by fever and unceasing dysentery, the prognosis is ominous. Head sweating where heat steams upward but cannot diffuse outward leads to the formation of Jaundice, Dampness, Water retention, Fire pathogens, and Blood stasis.

[Note] Spontaneous sweating in Taiyang disease indicates Wind pathogen invasion, corresponding to the Guizhi Tang (Cinnamon Twig Decoction) syndrome. Spontaneous sweating in Yangming disease indicates Heat venting outward, corresponding to the Baihu Tang (White Tiger Decoction) syndrome. If there is intense steaming heat and excessive sweating, Tiaowei Chengqi Tang (Regulate the Stomach Bowel-Opening Decoction) should be used to urgently purge the heat and save the body fluids. If accompanied by fever and continuous dysentery, leading to depletion of both interior and exterior Qi, the condition is critical. Head sweating, stopping at the neck without extending downwards, indicates that heat cannot diffuse outward but steams upward to the head. This may result from latent Damp-Heat failing to manifest as Jaundice, improper purgation in patients with Dampness, water accumulation in the chest with steaming heat, heat forced out by fire therapy, blood stasis in the Yangming channel, or heat entering the Blood Chamber. All these conditions cause head sweating and require differentiated treatment according to their specific categories.