Two-year experience with "San-Huang-Hsieh-Hsin-Tang" in essential hypertension

In this paper, the long-term effects of the ancient Chinese formula of San-Huang-Hsieh-Hsin-Tang on patients with essential hypertension were reported. San-Huang-Hsieh-Hsin-Tang could significantly improve the hyperkinetic states of the cardiovascular system, improve the accompanying sympathetic symptoms, lower serum norepinephrine and have no apparent side effects.