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 Chinese Medicinal Material
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| 【Chinese Name】 |
二妙散
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| 【Phonetic】 |
Er Miao San
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| 【English Name】 |
Two Mysterious Powder |
| 【Classification】 |
Dampclearing formulas |
| 【Source】 |
《Teachings of [Zhu] Dan-xi》Dan Xi Xin Fa《丹溪心法》 |
| 【Combination】 |
Phellodendri Chinensis Cortex (Huang Bai dry-fried) 15g, Atractylodis Rhizoma (Cang Zhu dry-fried after soaked in rice-washed water) 15g |
| 【Method】 |
Grind the medicinals into powder and divide them equally, mix with ginger juice and take 3-5g. It can also be prepared into pills, or as a decoction. |
| 【Action】 |
Clears heat and dries dampness. |
| 【Indication】 |
Er Miao San is indicated for damp-heat pouring downward. The symptoms are pain of the sinews and bone, flaccidity of feet, swelling and pain of feet and knee, vaginal discharge, eczema, sores on the lower body, and scanty dark urine. The tongue coating is yellow and greasy. |
| 【Pathogenesis】 |
Er Miao San is a basic formula applicable to the pattern of damp-heat pouring downward. Damp-heat pouring downward into lower limbs causes a slackening of the sinews which resulting in flaccidity and weakness of the feet. This disease process is referred to as wei syndrome. Damp-heat blockage in the tendons and channels causes pain of the sinews and bone, redness and swelling of the feet and knees, or may even develop into jiao qi. Damp-heat pouring downward into the dai mai and female external genitalia causes turbid vaginal discharge with an unpleasant odor and sores in the lower body. Scanty dark urine and a yellow and greasy tongue coating are also signs of damp-heat. The therapeutic methods are to clear heat and dry dampness. |
| 【Application】 |
1. Essential pattern differentiation
Er Miao San is a basic formula applicable for wei, bi, jiao qi, leucorrhagia, and sores due to damp-heat pouring downward. The damp heat is excessive with equal amounts of dampness and heat. It has powerful actions to clear heat and dry dampness. This clinical pattern is marked by swelling and pain of the feet and knees, scanty dark urine, yellow, greasy tongue coating.
2. Modern applications
This formula may be used in the following biomedically defined disorders when the patient shows signs of damp-heat pouring downward: rheumatic arthritis, scrotum eczema, and vaginitis. |
| 【Additonal formulae】 |
1. San Miao Wan (Wonderfully Effective Three Pill 三妙丸)
[Source]《Transmission of Medicine》Yi Xue Zheng Zhuan《醫學正傳》
[Ingredients] Huang bai 4 liang (120g), cang zhu 6 liang (180g), niu xi 2 liang (60g)
[Preparation and Administration] Grind the medicinals into fine powder and prepare it into pills, take 10-15g with ginger juice and salt water.
[Actions] Clears heat and dries dampness.
[Applicable Patterns] Wei and bi due to damp-heat pouring downward. Symptoms include: numbness, swelling, and pain of the feet, fire-burning sensation in the feet, and flaccidity of the feet.
2. Si Miao Wan (Wonderfully Effective Four Pill 四妙丸)
[Source]《Convenient Reader on Established Formulas》Cheng Fang Bian Du《成方便讀》
[Ingredients] Huang bai 8 liang (240g), cang zhu 8 liang (240g), niu xi 8 liang (240g), yi yi ren 8 liang (240g)
[Preparation and Administration] Grind the medicinals into fine powder and prepare it into pills, take 6-9g with warm water.
[Actions] Clears heat and drains dampness, relaxes the sinews and strengthens the bones.
[Applicable Patterns] Wei syndrome due to damp-heat. Symptoms include: numbness of the feet, flaccidity of the feet, swelling and pain of the feet |
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