Shan Dou Gen (Sophorae Tonkinensis Radix)

Shan Dou Gen (山豆根), the root of Sophora tonkinensis, strongly clears heat and resolves fire toxicity and benefits the throat; one of the most effective herbs for severe sore, swollen throat.

Shān Dòu Gēn  ·  山豆根

Latin / Pharmaceutical Name

Sophora tonkinensis (Radix Sophorae Tonkinensis)

Common English Name

Sophora tonkinensis root

Taste

Bitter

Temperature

Cold

Channels Entered

Lung, Stomach

Actions & Functions

  • Clears heat and resolves fire toxicity
  • Benefits the throat and reduces swelling

Indications

Severe sore, swollen, painful throat; and swollen, painful gums.

Dosage

3-6 g in decoction.

Common Combinations

With Jie Geng and Gan Cao for severe sore throat.

Cautions & Contraindications

Toxic in overdose - do not exceed the dose; avoid in Spleen-Stomach deficiency-cold.

About Attilio

Doctor of Chinese medicine, acupuncture expert and author of My Fertility Guide and My Pregnancy Guide.

Check Also

PubMed research

Complementary Therapies Including Tai Chi Show Physiological and Psychological Benefits for Chronic Obstructive Pulmonary Disease Patients

Research summary (Tai Chi): Effects of complementary therapies on physiological and psychological outcomes in chronic obstructive pulmonary disease patients: A systemat - Respiratory medicine, 2026.