Kusnezoff monkshood root (CAO WU)
Pharmaceutical Name:
Radix Aconiti Kusnezoffii
Botanical
Name:
Aconitum kusnezoffii Reichb. (Fam. Rununculaceae)
Common Name:
Kusnezoff monkshood root
Part Used:
Dried
root tuber
RadixAconiti Kuznezoffii is produced chiefly in Sichuan, Hubei, and Hunan provinces. The plant is collected
in summer. After the hairy rootlets and soils are removed, the tuber is thinly
sliced, soaked in water, boiled with ginger, and dried.
Properties Taste
& Meridians:
Pungent
and bitter in flavor, warm in property, very poisonous,
acts on the Heart, Liver, and Spleen channels.
Functions:
Removes
Pathogenic Wind Dampness, expels Pathogenic Cold, and relieves pain.
Indications & Combinations:
For
joint pain in rheumatic or rheumatoid arthritis due to Pathogenic Cold and
Dampness, and for epigastric pain with cold sensations due to Cold. In fact, it
is similar to Radix Aconiti Lateralis Preparata in flavor, properties, and clinical use, except that it is less
effective in supplementing Yang but more effective in dispelling Wind. It is also used as an analgesic.
Dosage
and administration:
1.5–3 g, decocted in water for an oral dose; 0.5–1 g, if used in
powder.
Precautions:
1. More toxic than Radix Aconiti and Radix
Aconiti Lateralis Preparata. Must be decocted in water 60 minutes
before the other herbs.
2. Contraindicated for use during pregnancy.
3. It is incompatible with Rhizoma Pinelliae
(Ban Xia), Fructus Trichosanthis (Gua Lou), Bulbus Fritillariae Cirrhosae
(Chuan Bei Mu), and Rhizoma Bletillae Striatae (Bai Ji).
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