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Sheng Di Huang (生地黃), the fresh/dried (unprocessed) root of Rehmannia, clears heat and cools the blood, nourishes yin and generates fluids; a principal herb for heat in the blood and yin damage from febrile disease.
Latin / Pharmaceutical Name
Rehmannia glutinosa (Radix Rehmanniae)
Common English Name
Raw rehmannia root
Taste
Sweet, bitter
Temperature
Cold
Channels Entered
Heart, Liver, Kidney
Actions & Functions
- Clears heat and cools the blood
- Nourishes yin and generates fluids
- Cools and stops bleeding from heat
Indications
Heat in the blood with bleeding (nosebleed, blood in stool/urine) and rashes; febrile disease damaging the yin with thirst and a scarlet tongue; and yin deficiency with night sweats and constipation.
Dosage
9-30 g in decoction.
Common Combinations
With Xuan Shen and Mu Dan Pi to cool the blood; a chief herb of Qing Ying Tang.
Cautions & Contraindications
Cold and cloying; avoid in Spleen deficiency with damp, poor appetite and loose stools.
