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Bai Zhu (白朮), the rhizome of Atractylodes macrocephala, is a key herb for tonifying the Spleen qi and drying dampness. It also stabilises the exterior to stop sweating and calms the fetus.
Latin / Pharmaceutical Name
Atractylodes macrocephala (Rhizoma Atractylodis Macrocephalae)
Common English Name
White Atractylodes rhizome
Taste
Sweet, bitter
Temperature
Warm
Channels Entered
Spleen, Stomach
Actions & Functions
- Tonifies the Spleen qi and dries dampness
- Promotes urination and resolves oedema
- Stabilises the exterior and stops sweating
- Calms the fetus
Indications
Spleen deficiency with poor appetite, fatigue, loose stools and oedema; spontaneous sweating; and restless fetus during pregnancy.
Dosage
6-12 g in decoction.
Common Combinations
With Ren Shen, Fu Ling and Gan Cao (Si Jun Zi Tang) to tonify the Spleen; with Fu Ling to resolve damp.
Cautions & Contraindications
Use with caution in yin deficiency with heat and in dryness.
