Chinese Rhubarb Root (Da Huang)

大黃

Rhubarb (Dahuang)

Pharmaceutical Name: Radix et Rhizoma rhei

Botanical Name: 1. Rheum palmatum L.. 2. Rheum officinale Baill.. 3. Rheum tanguticum Maxim. ex Balf.

Common Name: Rhubarb

Source of Earliest Record: Shennong Bencao Jing

Part Used: The roots, or rhizomes, are dug in autumn or spring. After the fibrous roots and bark have been removed, the roots are cut into pieces and dried in the sun.

Natural Properties & Taste: Bitter and cold

Meridians: Spleen, stomach, large intestine and liver

Therapeutic Effects:
1. To promote bowel movement.
2. To reduce fire and release toxins.

3. To invigorate blood.

Indications & Combinations:

1. Constipation: a) heat accumulated in constipationRhubarb (Dahuang) is used with Glauber salt (Mangxiao) in the formula Da Chengqi Tang. b) cold accumulation in constipationRhubarb (Dahuang) is used with Prepared aconite root (Fuzi) and Dried ginger (Ganjiang) in the formula Wenpi Tang. c) constipation with heat accumulation and damage to yinRhubarb (Dahuang) is used with Fresh rehmannia root (Shengdihuang), Scrophularia (Xuanshen) and Ophiopogon root (Maidong) in the formula Zengye Chengqi Tang.

2. Extravasation due to heat in the blood manifested as vomiting with blood and epistaxis, or upward attack by pathogenic fire manifested as red, painful and swollen eyes, sore throat and painful and swollen gums. These two syndromes are treated by combining Rhubarb (Dahuang), Coptis root (Huanglian) and Scutellaria root (Huangqin) in the formula Xiexin Tang.

3. Boils, carbuncles and furuncles. Rhubarb (Dahuang) is used with Peach seed (Taoren) and Moutan bark (Mudanpi).

4. Stagnation of blood manifested as amenorrhea, postpartum retention of lochia, postpartum abdominal pain, abdominal masses and traumatic injury. Rhubarb (Dahuang) is used with Chuanxiong rhizome (Chuanxiong), Peach seed (Taoren), Safflower (Honghua) and Moutan bark (Mudanpi).

Dosage: 3-12 g

Cautions & Contraindications: The raw herb is strong in moving feces. Fried with wine, the herb is good for invigorating blood. The carbonized herb is applied during hemorrhagic disease. Overboiling of the herb weakens the function of purgation. This herb is contraindicated during menstruation and pregnancy.

By |2015-04-06T23:00:59+00:00January 1st, 2015|Categories: Medicinal Herbs|Tags: , , , , |

About the Author:

Hi, I'm Grace Chen. I’m enthusiastic about Traditional Chinese Medicine, natural healing including Chinese Medicinal Herbs, Acupressure, Qi-Gong, foot massage and more. My passion for herbs had been a lifelong journey beginning as a young girl always been fascinated by my grandfather’s Chinese Herbal Medicine chest, full of amazing goodies helping people get well. To chase my dreams, I created a website, HerbalShop.com to share my passion, my grandfather Dr. Chen’s herbal recipes, interesting new and the translation of the classical Chinese herbal formulas with the world. Hope you enjoy it!