Astragalus root (Huangqi)-Astragalus membranaceus (Fisch.) Bge

Astragalus root (Huangqi)

Pharmaceutical Name: Radix Astragali
Botanical Name: 1. Astragalus membranaceus (Fisch.) Bge.; 2. Astragalus membranaceus Bge. var. mongolicus (Bge.) Hsiao
Common Name: Astragalus root
Source of Earliest Record: Shennong Bencao Jing
Part Used & Method for Pharmaceutical Preparations: The four year old roots are dug in spring or autumn, but autumn ones are of better quality. After the fibrous roots are removed, the roots are dried in the sun, soaked again in water and cut into slices.
Properties & Taste: Sweet and slightly warm.
Meridians: Spleen and lung
Functions: 1. To replenish qi and cause yang to ascend; 2. To benefit qi and stabilize the exterior; 3. To release toxins and promote healing; 4. To promote water metabolism and reduce edema
Indications & Combinations:
1. Deficient qi of the spleen and lungs manifested as poor appetite, loose stool, shortness of breath and lassitude: Astragalus root (Huangqi) is used with Ginseng (Renshen) and White atractylodes (Baizhu).
2. Deficient qi and weakened yang manifested as chills and sweating: Astragalus root (Huangqi) is used with Prepared aconite root (Fuzi).
3. Qi sinking in the middle jiao due to weakness of the spleen and stomach manifested as prolapsed anus, prolapsed uterus and gastroptosis: Astragalus root (Huangqi) is used with Ginseng (Renshen), White atractylodes (Baizhu) and Cimicifuga rhizome (Shengma) in the formula Buzhong Yiqi Tang.
4. Failure of deficient qi of the spleen in controlling blood manifested as blood in the stool and uterine bleeding: Astragalus root (Huangqi) is used with Ginseng (Renshen) and Chinese angelica root (Danggui) in the formula Guipi Tang.
5. Deficiency of qi and blood manifested as palpitations, anxiety, insomnia and forgetfulness: Astragalus root (Huangqi) is used with Longan aril (Longyanrou), Wild jujube seed (Suanzaoren) and Polygala root (Yuanzhi) in the formula Guipi Tang.
6. Spontaneous sweating due to exterior deficiency: Astragalus root (Huangqi) is used with Oyster shell (Muli), Light wheat (Fuxiaomai) and Ephedra root (Mahuanggen) in the formula Muli San.
7. Night sweating due to yin deficiency and excessive fire: Astragalus root (Huangqi) is used with Fresh rehmannia root (Shengdihuang) and Phellodendron bark (Huangbai) in the formula Danggui Liuhuang Tang.
8. Deficiency of the spleen leading to dysfunction in transportation and transformation of water manifested as edema and scanty urine: Astragalus root (Huangqi) is used with Tetrandra root (Fangji) and White atractylodes (Baizhu) in the formula Fangji Huangqi Tang.
9. Boils and ulcers due to qi and blood deficiency manifested as sores that have formed pus but have not drained or healed well: Astragalus root (Huangqi) is used with Cinnamon bark (Rougui), Chinese angelica root (Danggui) and Ginseng (Renshen).
10. Retardation of circulation of the blood due to deficiency of qi and blood manifested as hemiplegia: Astragalus root (Huangqi) is used with Chinese angelica root (Danggui), Chuanxiong rhizome (Chuanxiong) and Earthworm (Dilong) in the formula Buyang Huanwu Tang.
Dosage: 10-15 g (The maximum dosage can be 30-60 g.)
Cautions & Contraindications: This herb is contraindicated during yin deficiency and hyperactivity of yang, qi stagnation and accumulation of dampness, retention of food, exterior excess syndrome, and the early stage of carbuncles and furuncles.

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