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When the throat is obstructed and dry, sweating therapy should not be employed. For patients with Lin syndrome (a condition characterized by frequent, urgent, painful, and scanty urination), the treatment principle is the same; sweating therapy is also contraindicated. If a patient with sores or ulcers undergoes sweating therapy, although the sores may appear to heal temporarily, one must still fear complications such as Jing disease (spasms and stiffness of the neck and back) due to deficiency of the exterior. In cases of excessive sweating, forcing further sweating will inevitably lead to mental confusion and disorientation. For patients who have lost blood, inducing sweating will cause chills and trembling. Individuals with weak Ying Qi (Nutritive Qi) or those suffering from epistaxis (nosebleed) or hematemesis (vomiting blood) should not undergo sweating therapy, as this constitutes a depletion of blood. When both Yin and Yang are deficient, sweating is inappropriate. For patterns of Excess Yang and Deficiency Yin, sweating is contraindicated. If the heart palpitations are present, sweating is unnecessary; when the body fluids harmonize, the body will naturally become moist. When Taiyang disease and Shaoyang disease occur together, presenting with stiffness and pain in the head and neck, or dizziness and oppression, sometimes accompanied by Jie Xiong (Chest Binding, accumulation of heat and fluid/phlegm in the chest) or fullness below the heart, Da Zhui (GV14) acupoint should be needled instead of inducing sweating. If the pulse is wiry and fine, despite headache and fever, it belongs solely to the Shaoyang channel; the method should be purgation (Note: Standard TCM theory often advises against purgation for Shaoyang, but translating strictly per source text context implying specific severe conditions or textual variants), and sweating is forbidden. Sweating would lead to delirium, irritability, and restless palpitations. If there is "Dong Qi" (throbbing or moving sensation) above and below, left and right, inducing sweating will cause other diseases to arise. Various pulses that are rapid yet weak, thready, damp-weak, wiry, or minute, changing unpredictably, combined with extreme coughing, irritability, vomiting resembling malaria, only chills without fever, weakness with trembling, cold limbs with a tight pulse—these originally belong to Shaoyin disease and should not be treated with sweating; these are all conditions where sweating is contraindicated. Coughing accompanied by urinary incontinence and various types of Jue Ni (cold extremities/reversal), as well as mild sweating in minor illnesses, resembling Wind-Stroke with Heat and worsening headache, may aggravate if sweating agents are applied. For internal restlessness and discomfort (Ao Nao), emesis therapy is suitable. However, for Taiyang disease with a fine pulse, using emesis is an error. If the Cun position pulse is slightly floating with chest oppression and hardness, and Qi rushes up to the throat, emesis can be used. For Shaoyang Wind-Stroke causing deafness, red eyes, and irritability, emesis is not appropriate. If there is excess in the chest, an emetic like Geng Ti San (Melon Seed Powder) can be used. However, if there is cold-fluid retention above the diaphragm, emesis is prohibited. For food stagnation in the upper epigastrium causing cold limbs, applying emesis will restore the smooth flow of Qi. For Wind-Stroke with phlegm-excess, emesis may still be applied. However, for vomiting and hemoptysis, emesis is contraindicated. These are the general principles for emesis, particularly suitable in spring. Stop when the disease is addressed; do not necessarily complete the full dose.

For patterns of Yang deficiency and Yin excess, purgation should not be used. If the exterior syndrome has not resolved, purgation is also prohibited. In Taiyang-Yangming combined disease with wheezing and abdominal fullness, only sweating should be used, and the rebellious Qi will settle. If purgation is administered after sweating and the pulse remains floating, it indicates premature purgation leading to adverse changes, which is serious. For Jie Xiong with solid organ involvement, attack/purgation is permissible. For Zang Jie (Zang Knotting) without heat, it cannot be treated similarly to Jie Xiong. For Jie Xiong with irritability and a large, floating pulse, this is critical and difficult to treat. Diseases should first resolve the exterior before attacking fullness. Premature purgation leads to Xie Re Li (diarrhea with accompanying heat). For frequent vomiting, fullness below the heart, and a red face, these are Yangming diseases where purgation is not appropriate. For loose stools without fullness, strong purgation is forbidden; Xiao Cheng Qi Tang (Minor Order the Qi Decoction) should be used to mildly harmonize the stomach. If there is sweating and normal urination, it is not constipation; honey suppositories or similar moistening laxatives can be used. For interior syndromes with dark/scanty urine and wiry-slow pulses, purgation should not be lightly employed, or a treatable condition may become difficult. For various deficiency patterns with weak pulses, especially at the Cun and Guan positions, with cold limbs, purgation is difficult to effect. With prominent Dong Qi, throat obstruction, and extreme lower Jiao deficiency, one must be cautious and absolutely avoid purgation; this is a fixed rule.