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Wu Zhu Yu (吳茱萸), the fruit of Evodia, warms and disperses cold to relieve pain (Liver and Stomach), descends rebellious qi to stop vomiting, acid regurgitation and headache, and warms the Spleen to stop diarrhoea.
Latin / Pharmaceutical Name
Evodia rutaecarpa (Fructus Evodiae)
Common English Name
Evodia fruit
Taste
Acrid, bitter
Temperature
Hot
Channels Entered
Liver, Spleen, Stomach, Kidney
Actions & Functions
- Warms and disperses cold and relieves pain (cold hernia, cold abdominal and menstrual pain)
- Descends rebellious qi (vomiting, acid regurgitation, vertex headache)
- Warms the Spleen and Kidney and stops diarrhoea
Indications
Cold in the Liver channel with hernial and vertex headache; Stomach cold with vomiting and acid regurgitation; and daybreak diarrhoea from Spleen-Kidney yang deficiency.
Dosage
1.5-4.5 g in decoction.
Common Combinations
With Ren Shen and Sheng Jiang (Wu Zhu Yu Tang) for cold vomiting and headache; with Huang Lian (Zuo Jin Wan) for acid regurgitation.
Cautions & Contraindications
Hot, drying and slightly toxic - use in small doses; contraindicated in heat patterns and used with caution in pregnancy.
