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Pharmaceutical Name
 Radix Dichroae
Botanical Name
 Dichroa fibrifuga Lour.
Common Name
 Dichroa root
Source of Earliest Record
 Shennong Bencao Jing
Part Used & Method for Pharmaceutical Preparations
 The roots are dug in autumn. After the fibrous roots have been removed, the roots are dried in the sun and cut into slices. They can also be fried with wine.
Properties & Taste
 Bitter, pungent, cold and toxic
Meridians
 Lung, heart and liver
Functions
 To expel phlegm and relieve malaria
Indications & Combinations
 Malaria. Dichroa root (Changshan) is used with Tsaoko (Caoguo), Anemarrhena rhizome (Zhimu) and Areca seed (Binglang).
Dosage
 5-10 g
Cautions & Contraindications
 This herb may cause vomiting and nausea; it should be used with caution, especially with weak patients.
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