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Herbs & Cultures

Harmonizing formulas

Si ni san

Frigid Extremities Powder

Chinese name
四逆散
Group
Harmonizing formulas
English name
Bupleurum and Zhi Shi Formula
Basic formula
✓

Balances liver and spleen and releases trapped heat.

Indications

Heat trapped in liver, stomach and spleen makes the limbs feel cold. For a painful full feeling under the ribs and in the stomach, heartburn, belching, nausea and vomiting. The book also mentions chronic hepatitis, a nervous stomach, chest pain, hernia and inflammation of the pancreas or appendix.

Ingredients

IngredientsAmount
Chai hu (bupleurum)9–12 g
Immature bitter orange (zhi shi)6–9 g
White peony root (bai shao)9–12 g
Licorice root (gan cao)3–6 g
Tongue
pale with a white (or thin yellowish) coating
Pulse
wiry

Note

The herbs act in opposite directions: chai hu rises, immature bitter orange descends, white peony works inwards and licorice harmonizes. This releases the trapped heat and the limbs become warm again.