Rhubarb and Left Meridian Decoction，*San Yin*, Volume 3.，Wind, cold, heat, and dampness flow through the Foot Yangming Meridian, causing numbness and pain in the lower back and legs, difficulty walking, excessive salivation, drowsiness and mental confusion, constipation and difficulty passing urine, abdominal pain and vomiting, or alternating with diarrhea, aversion to the smell of food, shortness of breath and chest fullness, or spontaneous sweating and delirium.
Rhubarb and Left Meridian Decoction
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Formulas Name : Rhubarb and Left Meridian Decoction
Chinese Name : 大黄左经汤
Drug Formulation
Rhubarb (steamed), Asarum (stems removed), Poria, Stephania, Notopterygium, Scutellaria, Peucedanum, Fructus Aurantii (fried with wheat bran, pith removed), Magnolia Bark (peeled, chopped, processed with ginger, and fried), Licorice (roasted), Apricot Kernels (fried with wheat bran, skin and tip removed, ground separately).
Source
*San Yin*, Volume 3.
Processing
Coarsely grind the ingredients into a powder.
Benefits
Wind, cold, heat, and dampness flow through the Foot Yangming Meridian, causing numbness and pain in the lower back and legs, difficulty walking, excessive salivation, drowsiness and mental confusion, constipation and difficulty passing urine, abdominal pain and vomiting, or alternating with diarrhea, aversion to the smell of food, shortness of breath and chest fullness, or spontaneous sweating and delirium.
Instructions for Use
Take 4 daqian per dose; add 1.5 zhan of water, 3 slices of fresh ginger, and 1 jujube; decoct until reduced to 7 fen; strain; and take hot on an empty stomach.
Copyright: Excerpt from *San Yin*, Volume 3., Copyright belongs to the Original Author and all original sources, This article was shared by DeDe on August 20, 2026, Please credit the source and include a link to the original article when reposting.
Terminology Proofreading: [Cheng Bo] | August 20, 2026 Reviewed by: [Wang Zhongxiang, Associate Chief TCM Physician (China)] | August 20, 2026
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Rhubarb and Left Meridian Decoction,Wind, cold, heat, and dampness flow through the Foot Yangming Meridian, causing numbness and pain in the lower back and legs, difficulty walking, excessive salivation, drowsiness and mental confusion, constipation and difficulty passing urine, abdominal pain and vomiting, or alternating with diarrhea, aversion to the smell of food, shortness of breath and chest fullness, or spontaneous sweating and delirium.