The Prescription of 大半夏湯
The book Jin Gui Yao Lue
Ban Xia: The principal drug, being pungent in flavor and warm in nature, dispersing accumulation of pathogens, letting the adverse flow of the stomach-Qi go downwards to arrest vomiting.
Ren Shen: Replenishing the Qi of the middle-Jiao.
Honey: Tonifying qi of middle energizer and lung, relieving spasm to alleviate pain, moistening the lung to relieve cough, moistening intestine to smooth stool.
The Effect of 大半夏湯
Tonify the spleen and stomach and calm the adverse-rising energy.
Regurgitation and vomit, eating in morning but vomiting in evening or eating in evening but vomiting in morning.
Decoct in water for oral dose to be taken twice.