Gan Cao Gan Cao Gan Cao Licorice Root tcm herb traditional chinese medicine gan cao tcm herbal database

Gan Cao - Licorice Root

Gan Cao (Licorice Root)

Clinical Applications

  • Tonifies the spleen and augments qi - spleen deficiency w/shortness of breath, fatigue, loose stools (si jun zi tong).
  • Qi and/or blood deficiency w/irregular pluse or palpitations (Zhi Gan Cao Tang).
  • Moistens the lungs and stops cough - heat/cold in the lungs (Ma Xing Shi Gan Tang).
  • Clears heat and toxic fire (raw) - carbuncles, sores, sore throat due to fire toxin (internally or topically).
  • Alleviates pain and stops spasms - abdomen or legs (Shao Yao Gan Cao Tang).
  • Often used to harmonize and/or moderate characteristics of other herbs.
  • Antidote for toxic substances (internally and topically).

Functional Category

Dosage & Preparation

  • Dosage: 2-12g

Clinician Notes

  • Affects all 12 meridians, but most used with the heart, lung, spleen, and stomach meridians.
  • When raw it has more neutral properties, when dry-fried it is more warming.

Cautions & Precautions

  • Avoid with excess dampness, nausea, vomiting.
  • Incompatible with Gan Sui, Da Ji, Yuan Hua, Hai Zao (although used in some formulas with Hai Zao).
  • If taken for long periods of time, may cause hypertension and/or edema.
Relationships
TCM Formulas that include Gan Cao (63)
Conditions / Symptoms (4 connections)