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Zanthoxylum nitidum, Liang Mian Zhen 两面针

Shiny Prickly Ash
Liang Mian Zhen (TCM)
Zanthoxylum schinifolium
Addisonia, vol. 10: (1925)

Botanical name:
Zanthoxylum nitidum
A number of related species are used including Z. simulans, Z. bungeanum, Z. molle, Z. dissitum, Z. schinifolium (Sichuan Pepper)

Parts used:
Root

Temperature & Taste:
Warm, dry. Pungent, Bitter. Mildly Toxic

Uses:
1. Clears Wind-Damp, Unblocks the Channel, Eases Pain:
-Wind-Damp painful obstruction of the muscles and joints
-pain in the Bones and Sinews
-also for other types of pain such as Sore Throat, Hernia, Abdominal pain, pain of burns and toothache

2. Externally:
-topically for toothache (decoction as a mouth wash). It is used in toothpaste for toothache and gum disorders
-for sore throat, decoction may be used as a gargle
-topically as a wash for the pain of burns


DOSE:
4.5–9 grams in decoction
1.5–3 grams in Powder

COMMENT:
It has been used in the treatment of drug addicts going through withdrawal. (Z. nitidum)

Main Combinations:
1. Painful Hernia, Zanthoxylum nitidum Liang Mian Zhen with Fennel seed (Xiao Hui Xiang)

Major Formulas:
Zheng Gu Shui

Cautions:
Some people may have abdominal pain and diarrhea after using this medicine.

Main Preparations used: