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The *Nan Jing* (Classic of Difficult Issues) states: Excess Yin leads to Dian disorder (epilepsy-like condition), while excess Yang leads to Kuang disorder (mania). In Shanghan (Cold Damage), heat-toxin accumulates in the Stomach and merges into the Heart, causing the Spirit (Shen) to be unsettled and will to be unstable, thus resulting in Kuang disorder. Initially, there is little sleep, lack of appetite, delirious speech, and inappropriate laughter; severely, the patient climbs high and sings, discards clothes and runs, jumps over walls and roofs. These are all caused by extreme hyperactivity of solitary Yang and heat, which cannot be stopped without vigorous purgation. There are also cases where sweating should have been induced but was not, leading to blood stasis and heat binding internally; for example, lower Jiao blood accumulation presenting as "Ru Kuang" (like mania), with difficult urination, appearing like mania but not yet fully manic. If there is delirious speech, staring eyes, involuntary urination and defecation, or post-sweating high fever, dry/agitated pulse, continuous delirium, and inability to eat, these conditions are even more concerning.

"Chong Yang" refers to Yang Du (Yang Toxin), characterized by a rapid and forceful pulse, running wildly, confused speech, irritability, dry retching, red face, sore throat, tidal fever, mania, or passage of yellow-red stool. The treatment formula is Yang Du Shengma Huang Qin Tang (Yang Toxin Corydalis Rhizome and Scutellaria Decoction).

For mania caused by epidemic heat diseases, use Hei Nu Wan (Black Slave Pill).

The Classics state: When Taiyang disease is unresolved and heat binds to the Bladder, the person appears like they are manic; if blood passes spontaneously, the disease resolves. If the exterior syndrome is still unresolved, administer Guizhi Tang (Cinnamon Twig Decoction); if the exterior is resolved but only the lower abdomen feels urgent and knotted, use Taoren Chengqi Tang (Peach Kernel Modifying Major Order the Qi Decoction).

Blood disorders presenting as Ru Kuang, with a faint pulse, yellowish body, dry lips with desire to rinse mouth but no swallowing, absence of aversion to cold or fever, fullness in the lower abdomen, and difficult urination with black stool, are treated with Xijiao Dihuang Tang (Rhinoceros Horn and Rehmannia Decoction); in severe cases, Taoren Chengqi Tang or Didang Wan (Dare to Defecate Pill) are used, with efficacy indicated by the passage of black material.

The *Nei Jing* (Inner Canon) states: Yang qi, when refined, nourishes the Shen (Spirit); when soft, it nourishes the Jinmai (Sinews and Vessels). Excessive sweating depletes body fluids, causing Yang qi to become relatively deficient. The sinews and muscles lose their nourishment, resulting in sudden fright/trembling (Ti Ran) and muscle twitching (Yu Dong). Without warming the meridians and assisting Yang, recovery is impossible. Zhang Zhongjing therefore specifically established Zhenwu Tang (True Warrior Decoction) to rescue this condition. If this presentation occurs after sweating, vomiting, or purging due to deficiency of both interior and exterior, it is a severe adverse reaction.

In Taiyang disease, if sweating fails to resolve the condition, leading to fever, palpitations, dizziness, and body tremors as if wanting to fall to the ground, treat with Zhenwu Tang.

Excessive sweating, or slight sweating in weak individuals, or spontaneous sweating from Wind Strike, followed by the misuse of Da Qinglong Tang (Major Green Dragon Decoction), can lead to Jue Ni (cold extremities) and signs of Jin Ti Rou Yu (sinew trembling and muscle twitching). All such cases belong to the indication of Zhenwu Tang; for emaciated patients, remove Shaoyao (White Peony Root); for those with heat, remove Fuzi (Aconite Lateral Root). If sweating is indicated but there is moving Qi in the left or right abdomen, sweating is contraindicated. Sweating in such cases leads to Jin Ti Rou Yu, dizziness, and unceasing sweating, which is the most adverse prognosis. Initially, use Fangfeng Baizhu Muli Tang (Saposhnikovia, Atractylodes Macrocephala, and Oyster Shell Decoction), followed by Xiaojianzhong Tang (Minor Construct the Middle Decoction); one or two out of ten may be saved.

After vomiting and purging, if there is rebellious fullness below the heart, Qi rushing to the chest, dizziness upon rising, deep-tight pulse, and body tremors, treat with Fuling Guizhi Baizhu Gancao Tang (Poria, Cinnamon Twig, Atractylodes Macrocephala, and Licorice Decoction); this is generally applicable if it progresses to Wei syndrome (atrophy/flaccidity). For fullness and stuffiness below the heart, use Zhijie Tang (Bitter Orange and Magnolia Flower Decoction) added with Fuling and Gancao.