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This is Xiao Chai Hu Tang (Minor Bupleurum Decoction) with the addition of Guizhi (Cinnamon Twig) and Shaoyao (Peony Root). According to *Waitai Miyao* (Secret Essentials of the Outer Palace), it can also be used to treat sudden pain in the heart and abdomen caused by invasion of pathogenic factors.

This is Xiao Chai Hu Tang (Minor Bupleurum Decoction) with Ren Shen (Ginseng Radix), Ban Xia (Pinellia Rhizome), Sheng Jiang (Zingiberis Rhizoma Recens), and Da Zao (Jujubae Fructus) removed, and the addition of Guizhi (Cinnamon Twig), Gan Jiang (Zingiberis Rhizoma), Gualou Gen (Trichosanthis Radix), and Muli (Ostreae Concha). It treats Taiyang disease (Disease of the Taiyang Channel) after five or six days, following sweating therapy, characterized by fullness in the chest and hypochondrium, difficulty in urination, thirst without vomiting, sweating only on the head, aversion to cold alternating with fever, and irritability. In *Jin Gui Yao Lue* (Essential Prescriptions from the Golden Cabinet), this formula is named Chaihu Guijiang Tang (Bupleurum, Cinnamon Twig, and Dried Ginger Decoction) and is used to treat malaria with predominant chills and slight fever, or merely chills without fever.

This is Xiao Chai Hu Tang (Minor Bupleurum Decoction) with Gan Cao (Licorice Root) removed, and the addition of Qiandan (Lead Tan), Guizhi (Cinnamon Twig), Longgu (Fossilized Bones), Muli (Ostreae Concha), Fuling (Poria), and Dahuang (Rhubarb Root). It treats Taiyang disease (Disease of the Taiyang Channel) after eight or nine days, where improper purgative therapy resulted in chest and hypochondriac fullness, irritability and palpitations, difficulty in urination, delirium, and heaviness of the body. Another version contains Huang Qin (Scutellaria Root).

This is Xiao Chai Hu Tang (Minor Bupleurum Decoction) with Wuweizi (Schisandra Fruit) added, treating Warm Disease (Warm Pathogen-induced illness) characterized by fever, thirst, absence of aversion to cold, and cough.

This is Xiao Chai Hu Tang (Minor Bupleurum Decoction) with Mudan Pi (Moutan Cortex) added, treating women with Taiyang disease (Disease of the Taiyang Channel) presenting with fever, alternating chills and fever, restlessness at night with calmness during the day, hallucinations resembling seeing ghosts, occurring while menstruation has just started or ended.

This is Xiao Chai Hu Tang (Minor Bupleurum Decoction) with Sheng Dihuang (Rehmanniae Radix Recens) added, treating the same symptoms as mentioned above.

This is Xiao Chai Hu Tang (Minor Bupleurum Decoction) with Fuling (Poria) added, treating difficulty in urination, tidal fever, and abdominal fullness.

This is Xiao Chai Hu Tang (Minor Bupleurum Decoction) with Mangxiao (Natrii Sulfas) added, treating Taiyang disease (Disease of the Taiyang Channel) unresolved after thirteen days, presenting with chest and hypochondriac fullness and vomiting, tidal fever in the late afternoon, followed by slight diarrhea. The text notes "know to use pills," indicating that pill form should be used. First, resolve the exterior syndrome with Xiao Chai Hu Tang (Minor Bupleurum Decoction), then treat the interior condition with this formula.

This is Xiao Chai Hu Tang (Minor Bupleurum Decoction) with Baizhu (Atractylodis Macrocephalae Rhizoma) and Maidong (Ophiopogonis Radix) added, treating headache due to Phlegm-Heat and alternating cold and heat in the hands and feet.

This is Xiao Chai Hu Tang (Minor Bupleurum Decoction) with Chenpi (Citrus Reticulatae Pericarpium) and Shaoyao (Peony Root) added. This is a modern method, adding three spoonfuls of raw Aiye juice (Artemisia argyi leaf juice). It treats Shaoyang disease (Disease of the Shaoyang Channel) characterized by deafness, hypochondriac pain, alternating chills and fever, vomiting, and bitter taste in the mouth. The pathology lies between the exterior and interior, suitable for harmonizing treatment.

This is Xiao Chai Hu Tang (Minor Bupleurum Decoction) with Zhike (Aurantii Fructus Immaturus) and Jiegeng (Platycodon Root) added, treating cough and hypochondriac pain after the eruption of smallpox or chickenpox.

This is Xiao Chai Hu Tang (Minor Bupleurum Decoction) with Zhike (Aurantii Fructus Immaturus), Chuanxiong (Ligusticum Chuanxiong Rhizome), and Baishao (White Peony Root) added, treating Taiyang disease (Disease of the Taiyang Channel) with fever and bilateral hypochondriac pain.

This is Xiao Chai Hu Tang (Minor Bupleurum Decoction) with Gan Jiang (Zingiberis Rhizoma) and Muli (Ostreae Concha) added, treating Pi syndrome (Glomus/Fullness Syndrome) characterized by fullness and distension in the chest and diaphragm.

This is Xiao Chai Hu Tang (Minor Bupleurum Decoction) with Ban Xia (Pinellia Rhizome) and Da Zao (Jujubae Fructus) removed, and Dahuang (Rhubarb Root), Danggui (Angelica Sinensis Radix), and Shaoyao (Peony Root) added. It treats various conditions involving accumulated Heat such as bone-steaming tidal fever, alternating chills and fever, lung cough remaining after sweating therapy for Taiyang disease (Disease of the Taiyang Channel), and amenorrhea in women.

This is Xiao Chai Hu Tang (Minor Bupleurum Decoction) with Da Zao (Jujubae Fructus) removed, and Qingdai (Indigo Naturalis) added, processed with Jiangzhi (Ginger Juice) and steamed bing (steamed wheat cake) into pills. It treats vomiting, wiry pulse, headache, and sweating.

This is Xiao Chai Hu Tang (Minor Bupleurum Decoction) with Mangxiao (Natrii Sulfas) and Dahuang (Rhubarb Root) added, treating women with Taiyang disease (Disease of the Taiyang Channel) presenting with headache and floating pulse. If the physician incorrectly uses purgation, allowing pathogenic factors to enter due to deficiency, symptoms include dry mouth and tongue, alternating chills and fever, delirious speech resembling seeing ghosts, and a floating and rapid pulse.