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Si Miao Yong An Tang (四妙勇安湯) strongly clears heat and resolves toxicity while nourishing and invigorating the blood; for toxic-heat sores of the limbs with blood stasis, such as thromboangiitis/gangrene.
English Name
Four-Valiant Decoction for Well-Being
Classical Source
Yan Fang Xin Bian, 1846
Ingredients
- Jin Yin Hua, Xuan Shen (clear heat/toxicity) – chief
- Dang Gui (nourish/invigorate blood); Gan Cao
Actions & Functions
- Clears heat and resolves toxicity
- Nourishes and invigorates the blood; relieves pain
Indications
Toxic-heat with blood stasis in the limbs: dark red, hot, painful swelling of the toes/fingers progressing to ulceration or gangrene (e.g. Buerger’s disease).
Tongue & Pulse
Tongue: red. Pulse: rapid.
Modifications
Large doses are used; combine with conventional vascular care.
Cautions & Contraindications
For toxic-heat vascular sores; ensure appropriate medical/surgical management.
