Huang Long Tang  黄龙汤
Yellow Dragon Decoction

Tradition:

TCM

Source / Author:

Shang Han Liu Shu (Six Texts on Cold-Induced Disorders), 1445

Herb Name

Latin

Amount

Da Huang (Rhubarb root)

Rheum palmatum

6–12 grams

Mang Xiao (Mirabilite)

Mirabilitum

6–9 grams

Zhi Shi (Unripe Bitter Orange)

Citrus aurantium

9 grams

Hou Po (Magnolia bark)

Magnolia officinalis

9 grams

Ren Shen (Ginseng)

Panax ginseng

6 grams

Dang Gui (Chinese angelica)

Angelica sinensis

9 grams

Zhi Gan Cao (Fried Licorice)

Glycyrrhiza uralensis

3 grams

Preparation:

Boil the herbs in 2 bowls of water with 3 slices of fresh Ginger and 2 Jujubes (Da Zao) until half is gone, adding a little Platycodon Jie Geng towards the end.

Function:

Purges Heat, tonifies Qi and Blood

Use:

Interior Heat with Qi and Blood deficiency. with Constipation with passage of clear, watery mucus, adbominal pain and hardness, abdominal pain that worsens with pressure, low energy, weak voice, maybe with thirst and (low) fever, a dryish yellow or blackish tongue coat with a weak pulse.
1. Constipation
2. Intestinal obstruction
3. Post-operative Gastrointestinal dysfunction and Constipation

Dose:

Take the above as a dose.

Cautions:

1. Not used during pregnancy
2. Not used in cold and weak patients
3. Not used for mild or occasional Constipation.
4. Not used for more than a few days without a break in treatment.

Modifications:

1. In the old or weak, decrease the amount of Mirabilite.
2. If the Qi deficiency is not as severe, Codonopsis can be used instead of Ginseng.
3. For dry mouth and cracked lips, add Ophiopogon Mai Men Dong and Figwort (Xuan Shen)
4. More abdominal discomfort and bloating, add Costus (Mu Xiang)
5. Tetanus, add Cicada Slough (Chan Tui)

Similar Formulas:

Da Cheng Qi Tang


1. Gall Bladder infection: Effective for acute cases in clinical trials.
2. Cholecystitis: Effective  in clinical trials with appropriate additions.
3. Tetanus: with Cicada Slough (Chan Tui) added it has been used successfully for mild-to-moderate Tetanus.

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