hong da ji

Name: hong da ji
Creator: Bencao Index

红大戟·Radix Knoxiae

Knoxia Root

Toxic

Toxicity graded by Sacred Lotus.

About hong da ji

Hong Da Ji (红大戟) is the root of knoxia, recorded as Radix Knoxiae. It enters the Spleen, Kidney and Large Intestine channels, and the catalogue files it among the harsh expellants.

Names

Pinyin	hong da ji
Chinese	红大戟
Latin Name	Radix Knoxiae
English Name	Knoxia Root
Japanese	kotaigeki
Korean	hongdaegeuk

Classification

Category: Harsh Expellants
Channels: Large Intestine, Spleen, Kidney
Part used: Root
Family: ianoides
Species: Knoxia Valer
Tags: Chinese Herbs, Common

Actions and indications

Drains water downward by purging

Severe edema, fluid in the chest or ascites with constipation and scanty urine, where milder diuretics are not enough

Resolves toxicity and reduces swelling

Carbuncles and toxic sores, taken internally or applied as a paste of the fresh root

Dissipates nodules and masses

Scrofula; comparative accounts rate it stronger than Jing Da Ji for this

Cautions

caution Toxic purgative: for licensed practitioners only, in small amounts and short courses
pregnancy Contraindicated in pregnancy; it is a potent, drastic purgative
contraindication Weak or deficient constitutions
lactation Avoid while breastfeeding

Interactions

Drug interactions

Other strong purgatives, laxatives or diuretics: its powerful purging and diuretic action makes caution reasonable; precautionary, not a demonstrated interaction

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