Pinyin: mian ma guan zhong

ENGLISH NAME: Dryopteris root

LATIN NAME: Dryopteridis Crassirhizomatis Rhizoma

Pinyin: mian ma guan zhong

Properties: bitter, cool
Channels Entered: Liver, Spleen

CHINESE THERAPEUTIC ACTIONS
1. KiIIs Parasites
2. Clears Heat, Removes Toxins
3. Stops Bleeding

DOSAGE
10 to 15 grams. Unprocessed Guan Zhong is used to clear heat, eliminate toxins, and kill parasites. The charred form stops bleeding.

CAUTIONS I CONTRAINDICA TIONS
• Guan Zhong is not recommended for use in cases of yin-deficient heat, or in deficiency and cold of the Spleen and Stomach.
• Avoid concurrent ingestion of Guan Zhong with fatty or greasy food.
• Guan Zhong is slightly toxic, and its use is contraindicated in infants, and those who have weak constitutions, or ulceration of the gastrointestinal tract.
• Guan Zhong should be used with caution during pregnancy, as it is slightly toxic and also stimulates the con- traction of uterus.