Laxative Decoction (Also Known as Chengqi Decoction)，*Treatise on Warm Diseases* (Wen Bing Tiao Bian), Volume 2.，For Yangming warm disease where purgation fails to clear the obstruction, the left cun pulse is firm and tight, the urine is red and painful, and there is intermittent severe restlessness and thirst.
Laxative Decoction (Also Known as Chengqi Decoction)
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Formulas Name : Laxative Decoction (Also Known as Chengqi Decoction)
Chinese Name : 导亦承气汤
Drug Formulation
3 qian of red peony root, 5 qian of fine raw rehmannia root, 3 qian of raw rhubarb, 2 qian of Coptis, 2 qian of Phellodendron, and 1 qian of sodium silicate.
Source
*Treatise on Warm Diseases* (Wen Bing Tiao Bian), Volume 2.
Benefits
For Yangming warm disease where purgation fails to clear the obstruction, the left cun pulse is firm and tight, the urine is red and painful, and there is intermittent severe restlessness and thirst.
Instructions for Use
Boil 5 cups of water down to 2 cups; take 1 cup first; if no evacuation occurs, take another dose.
Copyright: Excerpt from *Treatise on Warm Diseases* (Wen Bing Tiao Bian), Volume 2., Copyright belongs to the Original Author and all original sources, This article was shared by DeDe on August 24, 2026, Please credit the source and include a link to the original article when reposting.
Terminology Proofreading: [Cheng Bo] | August 24, 2026 Reviewed by: [Wang Zhongxiang, Associate Chief TCM Physician (China)] | August 24, 2026
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Laxative Decoction (Also Known as Chengqi Decoction),For Yangming warm disease where purgation fails to clear the obstruction, the left cun pulse is firm and tight, the urine is red and painful, and there is intermittent severe restlessness and thirst.