EVODIA DECOCTION
Wu Zhu Yu Tang

 

 ' Evodia Decoction '
Source: Treatise on Febrile Diseases Caused by Cold (Shang Han Lun, 200)

Keywords
gastritis, vomiting of pregnancy, nervous headache, and Meniere’s disease

Ingredients
Evodia rutaecarpa (Wu Zhu Yu, evodia root)
Panax ginseng (Ren Shen, ginseng)
Zingiber officinalis (Sheng Jiang, ginger)
Zizyphus jujuba (Da Zao, Chinese date)

Major therapeutic action
Warms the Centre, nourishes deficiency, lowers adverse flow of qi, relieves vomiting.

 Biomedical action
Antiemetic.

Indications
*  Deficient Cold in the Stomach.
*  Jueyin headache.
*  Shaoyin vomiting and diarrhoea.
*  With the appropriate key symptoms, this formula can be used to treat biomedical conditions such as acute and chronic gastritis, vomiting of pregnancy, nervous headache, and Meniere’s disease, etc.

Key symptoms for use
*  nausea on food intake
*  epigastric pain
*  acid reflux
*  gastric upset
*  headache in the vertex
*  retching with salivation
*  vomiting and diarrhoea
*  cold extremities

Combinations
*  With severe vomiting, combine with Citrus reticulata (Chen Pi, citrus peel)/Pinellia ternata (Ban Xia, pinellia).
*  With severe headache, combine with Ligusticum walichii (Chuan Xiong, ligusticum)/Angelica sinensis (Dang Gui, Chinese angelica). 		Dosage
The typical dose is three grams twice daily, before meals. In severe cases or the early stages of treatment (the first two weeks), a 50-100% increase in dose may be used, then reduced as the treatment takes effect.

Cautions and contraindications
For some patients with severe vomiting, the decoction should be taken cool to prevent vomiting due to stimulation.
Some patients may have malaise in the chest, aggravated headache or vertigo, and these symptoms may be relieved spontaneously in around half an hour. Rest after administration may alleviate the reaction.
None noted.