Sheng Mai San
生脉散 (Sheng Mai San)
Source: Yi Xue Qi Yuan (Origins of Medicine) — Zhang Yuansu (Jin, 1186)
Qi and Yin deficiency of Heart and LungPalpitations with shortness of breathProfuse sweatingDry mouth and parched throatFaint pulse from deficiencyPost-illness recoveryCardiac arrhythmia
Description
Sheng Mai San (Generate the Pulse Powder) tonifies Qi, nourishes Yin, and astringes sweating to restore pulse strength. The name refers to its ability to 'generate the pulse' in cases of profound Qi and Yin deficiency causing faint pulse and imminent collapse. It is widely used for heart failure, arrhythmia, and post-illness Qi-Yin deficiency.
Composition
| Herb | Amount | % | Role | Function |
|---|---|---|---|---|
| Mai Dong | 9g | 37.5% | Chen (Deputy) | Nourishes Yin, moistens Lung, clears heat. |
| Wu Wei Zi | 6g | 25% | Zuo (Assistant) | Astringes Lung Qi, stops sweating, generates fluids. |
| Ren Shen | 9g | 37.5% | Jun (Chief) | Tonifies Lung and Heart Qi, generates fluids. |
Total weight: 24g
Preparation
Decoct in water 20–25 minutes. Take warm in 2 divided doses. Discontinue if condition worsens acutely.
Dosage
Decoction: 1 dose/day in 2 doses. Granules: follow package instructions. IV preparation used in acute cardiac settings.