bai xian pi

Name: bai xian pi
Creator: Bencao Index

白鲜皮·Cortex Dictami

cortex of Chinese dittany root

About bai xian pi

Bai Xian Pi (白鲜皮) is the root bark of Chinese dittany, recorded as Cortex Dictamni. It is bitter in flavour and cold in temperature, entering the Spleen and Stomach channels. The catalogue files it among the herbs that clear Heat and relieve toxicity.

Names

Pinyin	bai xian pi
Chinese	白鲜皮
Latin Name	Cortex Dictami·Cortex Dictamni
English Name	cortex of Chinese dittany root·Dictamnus Root Bark·dictamnus root bark; cortex of Chinese dittany root
Japanese	hakusenpi
Korean	baekseonpi

Classification

Category: Clear Heat, Relieve Toxicity
Channels: Stomach, Spleen
Flavour: Bitter
Temperature: Cold
Part used: Root
Family: Rutaceae
Species: Dictamnus Dasycarpus
Tags: Chinese Herbs, Common

Actions and indications

Clears Heat, resolves Fire toxicity, expels Wind and dries Damp

Wind-Heat or Damp-Heat skin lesions (carbuncles, rashes) that ooze yellow fluid or much pus, with damp, itchy skin
Damp-Heat eruptions, including scabies-type lesions and weeping eczema-like rashes
Rubella and other Wind-Heat rashes whose itch moves about, comes and goes, or spreads
Damp-Heat Bi with red, swollen and painful joints
Jaundice from Damp-Heat in the Liver and Gallbladder

Clears Damp-Heat and stops itching

Itching of the vulva and vagina

Combinations

ku shen
Itchy sores from Damp-Heat
ku shen + she chuang zi
Itching from parasites such as scabies or from Wind-Damp-Cold; may also be applied as an external wash
fang feng + bai ji li
Eczema and hives.
ren dong teng + wei ling xian
Damp-Heat Bi affecting the legs
sheng di huang + dang gui + chan tui
Blood Deficiency with rashes
ku shen + di fu zi
Itching with vaginal discharge.
yu xing cao + bai jiang cao
Blood Stasis with gynecological abdominal pain
ji xue teng
Blood Stasis with abdominal pain
ku shen + di fu zi + cang zhu
Skin disorders marked by Damp-Heat and toxins
da huang + zhi zi
Damp-Heat jaundice.
ren dong teng
Bi syndrome.

Dosage

Age	Raw	Granule	Tincture	Concentrate	Frequency
Any 4-16g; Tincture: 2-4ml	4-16 g	—	2-4 ml	—	—

Cautions

pregnancy Not to be used in pregnancy
caution Eczema and other atopic conditions, or past liver disease
caution Poor liver function
caution Deficiency Cold, including Cold from a weak Spleen and Stomach with poor appetite and loose stools; not suited to deficiency without Damp-Heat
caution Liver injury has been reported again and again in published case series from Korea, China and the United Kingdom, from the single herb and from multi-herb products; use it inside a practitioner-managed formula, not self-selected

Interactions

Antagonistic with

bi xie Antagonistic pairing with Bi Xie (Dioscorea hypoglauca)
fu ling Antagonistic pairing with Fu Ling (Poria)
jie geng Antagonistic pairing with Jie Geng (Platycodon)

Drug interactions

Microtubule inhibitors (vincristine, vinblastine, paclitaxel): the herb may strengthen their effect
Medicines metabolised by the liver: given the liver-injury reports, a practitioner should oversee combined use (precautionary; no established interaction)

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