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1. In turbid diseases (referring to conditions such as cloudy urine or white turbidity), the pathology lies in the essence aperture, while the urinary passage remains clear; there is pain within the yin region, and the discharged material is foul and purulent like pus. If the discharge is red, accompanied by heat signs and exhaustion of essence that fails to transform properly, it mostly belongs to a Heat syndrome; if the discharge is white, accompanied by cold signs and damp-heat pathogens, it is mostly formed by the coagulation of spoiled essence.
[Annotation] Red color mostly indicates Heat, but there are cases where prolonged turbid leukorrhea leads to exhaustion of essence and deficiency of Yang, failing to transform turbidity into white, thus presenting as Cold. White color mostly indicates Cold, but there are cases where spoiled essence interacts with damp-heat to ferment and rot, turning white and presenting as Heat. Therefore, one cannot generally categorize red and white turbidity solely based on Cold or Heat.
Recommended Formulas: Qingxin Lianzi Yin (Clear the Heart Lotus Seed Decoction), Bixie Fenqing Yin (Dioscorea Hypoglauca Decoction to Separate the Turbid), Zhenzhu Fen Wan (Pearl Powder Pill).

2. For turbid Heat syndromes, use Qingxin Lianzi Yin (Clear the Heart Lotus Seed Decoction); for Cold syndromes, use a formula composed of Bixie (Dioscorea Hypoglauca Rhizome), Shichangpu (Acori Tatarinowii Rhizoma), Wuyao (Linderae Radix), Yizhi (Alpiniae Oxyphyllae Fructus), Gancao (Glycyrrhizae Radix et Rhizoma), and Fuling (Poria). For damp-Heat syndromes, use Zhenzhu Fen Wan (Pearl Powder Pill), composed of Chao Heijiang (Stir-fried Black Zingiberis Rhizoma), Chao Huangbai (Stir-fried Phellodendri Cortex), Huashi (Talcum), Qingdai (Indici Folium), Chao Shenqu (Stir-fried Mass Medicamentii Fermentati), Chao Chunpi (Stir-fried Toosendanii Cortex), and Gafen (Concha Tridacnitis).
[Annotation] For red turbid leukorrhea belonging to Heat, Qingxin Lianzi Yin (Clear the Heart Lotus Seed Decoction) is suitable, recorded in the Lin Syndrome section. For white turbid leukorrhea belonging to Cold, Bixie Fenqing Yin (Dioscorea Hypoglauca Decoction to Separate the Turbid) is suitable, consisting of Bixie (Dioscorea Hypoglauca Rhizome), Shichangpu (Acori Tatarinowii Rhizoma), Wuyao (Linderae Radix), Yizhi (Alpiniae Oxyphyllae Fructus), Gancao (Glycyrrhizae Radix et Rhizoma), and Fuling (Poria). For red and white turbid leukorrhea belonging to damp-Heat, Zhenzhu Fen Wan (Pearl Powder Pill) is suitable, consisting of Chao Heijiang (Stir-fried Black Zingiberis Rhizoma), Chao Huangbai (Stir-fried Phellodendri Cortex), Huashi (Talcum), Qingdai (Indici Folium), Chao Shenqu (Stir-fried Mass Medicamentii Fermentati), Chao Chunpi (Stir-fried Toosendanii Cortex), and Gafen (Concha Tridacnitis).
Additionally, Heixi Dan (Black Tin Pill).

3. Heixi Dan (Black Tin Pill) applies to Cold syndromes of excess above and deficiency below, as well as conditions where exhaustion of essence and deficiency of Yang cause deficient Fire to attack upwards. Symptoms include headache caused by upper congestion, rebellious Qi and phlegm, and leakage below manifesting as turbid leukorrhea, Baiyin (white seminal emission), and spermatorrhea. The formula contains Boguzhi (Psoraleae Fructus), Xiaohuixiang (Foeniculi Fructus), Huluba (Trigonellae Semen), Roukou (Myristicae Semen), Fuzi (Aconiti Lateralis Radix Praeparata), Rougui (Cinnamomi Cortex), Muxiang (Aucklandiae Radix), Jinyingzi (Rosae Laevigatae Fructus), Chenxiang (Aquilariae Lignum Resinatum), Yangqishi (Actinoliti Fibrosus et Asbesti Fibra), Bajitian (Morindae Officinalis Radix), Liuhuang (Sulfur), and Heiqian (Plumbum). Its preparation and combination methods must be carefully studied and clarified.
[Annotation] For red and white leukorrhea belonging to deficiency-Cold, as well as symptoms caused by attacking deficient Yang such as headache, wheezing and coughing, phlegm congestion, and rebellious Qi, Heixi Dan (Black Tin Pill) is suitable. It consists of Boguzhi (Psoraleae Fructus), Xiaohuixiang (Foeniculi Fructus), Huluba (Trigonellae Semen), Roukou (Myristicae Semen), Fuzi (Aconiti Lateralis Radix Praeparata), Rougui (Cinnamomi Cortex), Muxiang (Aucklandiae Radix), Jinyingzi (Rosaes Laevigatae Fructus), Chenxiang (Aquilariae Lignum Resinatum), Yangqishi (Actinoliti Fibrosus et Asbesti Fibra), Bajitian (Morindae Officinalis Radix), Liuhuang (Sulfur), and Heiqian (Plumbum).

1. When Yin Qi is excessive, it forms Yin (fluid retention); when Yang Qi is excessive, it forms Tan (phlegm). Thick and turbid Tan indicates Heat; clear and frothy Tan indicates Cold. Dry Tan is scanty, sticky, and difficult to expectorate; Damp Tan is abundant and easy to expectorate; Wind Tan can cause convulsions and dizziness. Tan-Yin stagnating in the diaphragm causing chest fullness and vomiting is called Fu Yin (Hidden Yin); Tan-Yin remaining in the lungs causing wheezing, coughing, edema, and difficulty lying flat is called Zhi Yin (Supporting Yin); Water-Yin flowing into the limbs causing body pain and overflow is called Yi Yin (Overflowing Yin); Coughing drawing pain to the hypochondrium is called Xuan Yin (Hanging Yin); Sudden emaciation despite previous robustness, with gurgling sounds of water moving in the intestines, is called Tan Yin (Phlegm-Yin); Water-Yin remaining in the chest and lungs causing wheezing, shortness of breath, and thirst, or remaining below the diaphragm causing palpitations and coldness in the back, are all manifestations of Yin pathogenic factors.
[Annotation] Yin fluid is clear and thin, thus attributed to Excess Yin. Tan phlegm is thick and turbid, thus attributed to Excess Yang. Thick and turbid Tan belongs to Heat Tan, associated with the Heart. Frothy and clear Tan belongs to Cold Tan, associated with the Kidney. Scanty, sticky, and difficult to expectorate Tan belongs to Dry Tan, associated with the Lung. Abundant and easy-to-expectorate Tan belongs to Damp Tan, associated with the Spleen. Convulsions and vertigo belong to Wind Tan, associated with the Liver. Fullness of phlegm above the diaphragm and vomiting of phlegm-saliva indicate Yin remaining in the diaphragm, named Fu Yin (Hidden Yin). Wheezing, coughing, facial edema, and inability to lie flat indicate Yin remaining in the Lung, named Zhi Yin (Supporting Yin). Water-Yin flowing into the limbs with heavy and painful body indicates Yin circulating in the body surface, named Yi Yin (Overflowing Yin). Coughing pulling pain to the hypochondrium indicates Yin remaining under the hypochondrium, named Xuan Yin (Hanging Yin). Previous robustness followed by sudden emaciation, with gurgling sounds and water moving in the intestines, indicates Yin remaining in the stomach and intestines, named Tan Yin (Phlegm-Yin). Generally, if Yin remains in the chest and lungs, it causes wheezing, fullness, shortness of breath, and thirst. If Yin remains below the diaphragm, it causes palpitations below the heart or coldness in the back.
Recommended Formulas: Erchen Tang (Two-Aged Decoction), Zaotan Tang (Dry Phlegm Decoction).

2. Various Tan syndromes are mostly treated with Juhong (Citri Reticulatae Pericarpium), Banxia (Pinelliae Rhizoma), Fuling (Poria), and Gancao (Glycyrrhizae Radix et Rhizoma) [Erchen Tang], except for Dry Tan which is not suitable for this formula. For Wind Tan, add Nanxing (Arisaematis Cum Bile) and Baifuzi (Typhonii Rhizoma); for Heat Tan, add Huangqin (Scutellariae Radix) and Lianlian (Coptidis Rhizoma); for Cold Tan, add Ganjiang (Zingiberis Rhizoma) and Rougui (Cinnamomi Cortex); for Qi Tan, combine with Siqi Tang (Four-Seven Decoction) [Houpo (Magnoliae Officinalis Cortex), Ziye (Perillae Folium)]; for Tan generated by depression, add Xiangfu (Cyperi Rhizoma); for Qi deficiency with Tan, add Renshen (Ginseng Radix) and Baizhu (Atractylodis Macrocephalae Rhizoma) [Liujunzi Tang (Six-Gentlemen Decoction)]; for Damp Tan, add Cangzhu (Atractylodis Rhizoma). Dry Tan should use Zaotan Tang (Dry Phlegm Decoction), composed of Ku Huangqin (Withered Scutellariae Radix), Xuanfuhua (Inulae Flos), Haishi (Concha Meretricis et Arcae), Tiandong (Asparagi Radix), Juhong (Citri Reticulatae Pericarpium), Fenghua Mangxiao (Weathered Mirabilitum), Zhike (Aurantii Fructus Immaturus), Jiegeng (Platycodonis Radix), Beimu (Fritillariae Cirrhosae Bulbus), and Kuluashuang (Withered Benincasae Semen Exsiccatum).
[Annotation] "Various Tan" refers to all types of Tan, which are generally suitable for treatment with Erchen Tang (Two-Aged Decoction), consisting of Juhong (Citri Reticulatae Pericarpium), Banxia (Pinelliae Rhizoma), Fuling (Poria), and Gancao (Glycyrrhizae Radix et Rhizoma). Because it contains Fuling (Poria) and Banxia (Pinelliae Rhizoma), its nature is overly penetrating and drying, making it unsuitable for Dry Tan. Based on this formula, for Wind Tan, add Nanxing (Arisaematis Cum Bile) and Baifuzi (Typhonii Rhizoma); for Heat Tan, add Huangqin (Scutellariae Radix) and Lianlian (Coptidis Rhizoma); for Cold Tan, add Ganjiang (Zingiberis Rhizoma) and Rougui (Cinnamomi Cortex); for Qi Tan, add Houpo (Magnoliae Officinalis Cortex) and Ziye (Perillae Folium), which constitutes combining with Siqi Tang (Four-Seven Decoction). For Tan due to depression, add Xiangfu (Cyperi Rhizoma). For Qi deficiency with Tan, add Renshen (Ginseng Radix) and Baizhu (Atractylodis Macrocephalae Rhizoma), which is Liujunzi Tang (Six-Gentlemen Decoction). For Damp Tan, add Cangzhu (Atractylodis Rhizoma). Dry Tan should use Zaotan Tang (Dry Phlegm Decoction), consisting of Ku Huangqin (Withered Scutellariae Radix), Xuanfuhua (Inulae Flos), Haishi (Concha Meretricis et Arcae), Tiandong (Asparagi Radix), Juhong (Citri Reticulatae Pericarpium), Fenghua Mangxiao (Weathered Mirabilitum), Zhike (Aurantii Fructus Immaturus), Jiegeng (Platycodonis Radix), Beimu (Fritillariae Cirrhosae Bulbus), and Kuluashuang (Withered Benincasae Semen Exsiccatum).
Additionally, Fuling Zhimi Wan (Poria Guiding Away from Confusion Pill).

3. A formula containing Fuling (Poria), Fangfeng (Saposhnikoviae Radix), Zhike (Aurantii Fructus Immaturus), and Banxia (Pinelliae Rhizoma) is a mild agent for treating Tan-Yin, named Zhimi Wan (Guiding Away from Confusion Pill). For Cold-Excess Tan-Yin, use Genti San (Melon Stalk Powder) to induce vomiting, or Touluo Dan to purge downwards. For Heat-Excess, use Daxian Xiong Tang/Wan (Major Draining the Chest Decoction/Pill) for the diaphragm, and Xiaoweidan (Minor Stomach Pill) for the Triple Burner to attack.
[Annotation] Zhimi Wan (Guiding Away from Confusion Pill) is a mild formula for treating all kinds of Tan-Yin, consisting of Fuling (Poria), Fenghua Mangxiao (Weathered Mirabilitum), Zhike (Aurantii Fructus Immaturus), and Banxia (Pinelliae Rhizoma). For Cold-Excess Tan-Yin, use Genti San (Melon Stalk Powder) to vomit, or Touluo Dan to purge. For Heat-Excess, use Daxian Xiong Tang/Wan (Major Draining the Chest Decoction/Pill) in the upper diaphragm, and Xiaoweidan (Minor Stomach Pill) in the Triple Burner to attack.
Additionally, Banxia Fuling Tang plus Dingxiang Tang (Pinellia and Poria Decoction plus Clove Decoction), Yebibo Jia Zhu Tang (Yarbilla Decoction plus Atractylodes Decoction).

4. Liu Yin (retained Yin/fluid) is treated with Kongyan Dan (Control Saliva Pill) and Linggui Zhugan Tang (Poria, Cinnamon Twig, Atractylodes, and Licorice Decoction); Fu Yin (Hidden Yin) is treated with Shenyao Wan (Divine Protection Pill) and Banxia Fuling Tang plus Dingxiang (Pinellia and Poria Decoction plus Clove); Zhi Yin (Supporting Yin) is treated with Tingli Dazao Tang (Semen Lepidii et Zizyphi Decoction); Xuan Yin (Hanging Yin) is treated with Shizao Tang (Ten Dates Decoction); Yi Yin (Overflowing Yin) with Heat is treated with Yebibo Jia Zhu Tang (Yarbilla Decoction plus Atractylodes Decoction, i.e., Mahuang (Ephedrae Herba), Shigao (Gypsum Fibrosum), Gancao (Glycyrrhizae Radix et Rhizoma), Shengjiang (Zingiberis Rhizoma Recens), Dazao (Jujubae Fructus) plus Cangzhu (Atractylodis Rhizoma)); Yi Yin with Cold is treated with Xiao Qinglong Tang (Minor Green Dragon Decoction).
[Annotation] Liu Yin refers to all fluid retention remaining in the upper/lower and internal/external areas. For Excess patterns, use Kongyan Dan (Control Saliva Pill) to attack; for Deficiency patterns, use Linggui Zhugan Tang (Poria, Cinnamon Twig, Atractylodes, and Licorice Decoction) to warm. For Excess Fu Yin, use Shenyao Wan (Divine Protection Pill); for Deficiency Fu Yin, treat with Banxia (Pinelliae Rhizoma) 3 qian, Fuling (Poria) 2 qian, Dingxiang (Caryophylli Flos) 1 qian, and Shengjiang (Zingiberis Rhizoma Recens) 3 qian decocted and taken orally, which is Banxia Fuling Tang plus Dingxiang (Pinellia and Poria Decoction plus Clove). Use Tingli Dazao Tang (Semen Lepidii et Zizyphi Decoction) for Zhi Yin. Use Shizao Tang (Ten Dates Decoction) for Xuan Yin. For Yi Yin with Heat, use Yebibo Jia Zhu Tang (Yarbilla Decoction plus Atractylodes Decoction), i.e., Mahuang (Ephedrae Herba), Shigao (Gypsum Fibrosum), Gancao (Glycyrrhizae Radix et Rhizoma), Shengjiang (Zingiberis Rhizoma Recens), Dazao (Jujubae Fructus) plus Cangzhu (Atractylodis Rhizoma). For Yi Yin with Cold, use Xiao Qinglong Tang (Minor Green Dragon Decoction).