huang lian

黄连·Rhizoma Coptidis

coptis

Dried huang lian rhizome

About huang lian

Huang Lian (黄连) is the rhizome of coptis, or goldthread, a plant of the buttercup family, recorded as Rhizoma Coptidis. It is bitter in flavour and cold in temperature, entering the Heart, Liver, Stomach and Large Intestine channels. The catalogue files it among the herbs that clear Heat and dry Dampness.

Names

Pinyinhuang lian
Chinese黄连
Latin NameRhizoma Coptidis
English Namecoptis·Coptis Rhizome·coptis rhizome; coptis; goldthread; golden thread·Coptis Root·golden thread·goldthread
Japaneseoren
Koreanhwangryeon

Classification

Channels
Large Intestine, Stomach, Heart, Liver
Flavour
Bitter
Temperature
Cold
Part used
Rhizome
Family
Ranunculaceae
Species
coptis chinensis
Tags
Chinese Herbs, Common

Actions and indications

Clears Heat and drains Damp, especially from the Stomach and Intestines

  • Diarrhea or dysentery from Damp-Heat in the Intestines or Stomach
  • Enteritis, acute gastroenteritis, cholera and typhoid fever
  • Vaginal infection
  • Staphylococcal infection
  • Vomiting or acid regurgitation from Stomach Heat

Drains Fire and resolves toxicity

  • Toxic Heat with blazing Fire: a high fever with delirium or confusion and irritability, a red tongue, and a pulse that is rapid and full
  • Excess Heat with toxicity in the eyes, ears and throat: sore red eyes, ear infection and sore throat
  • Boils, carbuncles, abscesses and toxic sores (Chuang Yung)

Clears Heat and stops bleeding

  • Bleeding driven by Heat in the Blood: nosebleed, and blood in the sputum, vomit, urine or stool

Clears Heat when applied topically

  • Infected wounds, sore red eyes, and ulcers of the mouth and tongue, as a powder or wash

Clears Heart Fire and calms the mind

  • Heart Fire
  • Heart and Kidneys failing to communicate, with irritability and insomnia, as in Huang Lian E Jiao Tang with E Jiao and egg yolk

Drains Stomach Fire

  • Stomach Fire causing halitosis and belching with a foul smell

Combinations

Dosage

AgeRawGranuleTinctureConcentrateFrequency
Any1.5-10 g0.25-3 ml

Cautions

Interactions

Antagonistic with

Drug interactions