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Da Qing Ye (大青葉), the leaf of Isatis, strongly clears heat and resolves toxicity and cools the blood, used for high fever, delirium and dark heat rashes in warm febrile disease.
Latin / Pharmaceutical Name
Isatis indigotica (Folium Isatidis)
Common English Name
Isatis leaf
Taste
Bitter
Temperature
Very cold
Channels Entered
Heart, Stomach
Actions & Functions
- Clears heat and resolves toxicity
- Cools the blood and reduces heat rashes
Indications
Warm febrile disease with high fever and delirium; dark, purple heat rashes; and toxic sore throat and mouth ulcers.
Dosage
9-15 g in decoction.
Common Combinations
With Xuan Shen and Sheng Di for heat in the blood with rashes.
Cautions & Contraindications
Very cold; avoid in Spleen-Stomach deficiency-cold.
