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Da Huang (Rhubarb Root and Rhizome)

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Cold Da Huang (Radix Et Rhizoma Rhei)
Bitter, Cold
Radix Et Rhizoma Rhei
Tone Marks:
dà huáng
Big Yellow


  • Drains Heat and Purges Excess
    For Yang Ming organ stage or intestinal heat excess with very high fever, constipation and abdominal fullness.
  • Reduces Damp-Heat
    For draining Damp-Heat thru the stool in cases of Damp-Heat jaundice or acute dysentery.
  • Reduces Blood Level Heat
    For Bloody stool from hemorrhoids or heat in the intestines. Also for epistaxis or hematemesis from reckless movement of hot Blood.
  • Invigorates the Blood and Removes Stagnation
    For dysmenorrhea or amenorrhea, fixed abdominal masses, tumors, or pain from Blood stagnation. Also for Blood stagnation in the intestines and intestinal abscesses.
  • Clears Blood Level Heat
    For fever, swollen eyes, or Fire Toxins both internally and externally in the Blood or on the skin, such as burns and skin lesions.

Contraindications and Cautions

  • Do not use during menstruation, pregnancy, post-partum or during lactation.
  • Also contraindicated in exterior syndromes, cold from deficiency of the spleen and stomach, or in cases of qi and blood deficiency.

Herb-Drug Interactions

  • This section is being researched, and is not completed.

Toxicity and Overdose

  • This section is being researched, and is not completed.


  • 3-12 grams. Use raw as a purgative, or cook for less than 10 minutes.


  • Use in wine or vinegar to increase the blood invigorating properties, charred to stop bleeding, and as a powder or wash when used externally.

This Herb Appears in the Following Formulas:

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