Evodia Decoction

傷寒論

-- If eating grain causes a desire to vomit, it belongs to Yangming; Wu Zhu Yu Tang governs it. If after taking the decoction it becomes more severe, it belongs to the upper jiao. (Shang Han Lun (Treatise on Cold Damage)) -- For vomiting with chest fullness, Wu Zhu Yu Tang governs it. (Jin Gui Yao Lue (Essential Prescriptions of the Golden Cabinet)) -- For Shaoyin disease with vomiting and diarrhea, reversal cold of the hands and feet, and agitation and restlessness as if near death, Wu Zhu Yu Tang governs it. (Shang Han Lun (Treatise on Cold Damage)) -- For dry vomiting, spitting of foamy saliva, and headache, Wu Zhu Yu Tang governs it. (Shang Han Lun (Treatise on Cold Damage))

Wu Zhu Yu one sheng (washed), Ren Shen three liang, Sheng Jiang six liang (cut), Da Zao twelve pieces (split). The above four ingredients, with seven sheng of water, boil down to two sheng, remove the dregs, and take seven ge warm. Three times daily. (Shang Han Lun (Treatise on Cold Damage))

With seven sheng of water, boil down to two sheng, remove the dregs. Take seven ge warm, three times daily. (Modern usage: boil nine bowls of water down to three bowls; take warm in three divided doses.)

湯劑

Warm the middle and supplement deficiency; descend rebellion and stop vomiting.

Stomach deficiency-cold pattern. Desire to vomit after eating grain, chest and diaphragm fullness and oppression, acid regurgitation and epigastric upset, or epigastric pain. Jueyin headache, dry vomiting, and spitting of foamy saliva. Shaoyin vomiting and diarrhea, cold reversal of the hands and feet, and severe agitation and restlessness.

If vomiting is relatively severe: add Sheng Ban Xia: 10. -- Vomiting of water and dizziness: add Sheng Ban Xia: 10 and Fu Ling: 15. -- Headache and dizziness, stomach distention and fullness, with splashing sound of water: add Fu Ling: 15, Gui Zhi: 10, Bai Zhu: 10, and Zhi Gan Cao: 10.

This formula is contraindicated for stomach-heat vomiting, yin deficiency vomiting, or headache due to liver yang ascending.