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Yibian
 Shen Yaozi 
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formula nameLung-Clearing Decoction
sourceComplete Book of Folk Secret Recipes
smart_toy
bubble_chart Preparation and Dosage

Liquorice Root (Radix Glycyrrhizae)
Skullcap Root (Radix Scutellariae)
Platycodon Root (Radix Platycodonis)
Poria (Poria)
Dried Tangerine Peel (Pericarpium Citri Reticulatae)
Chinese Angelica (Radix Angelicae Sinensis)
Asparagus Root (Radix Asparagi)
Gardenia (Fructus Gardeniae)
Bitter Apricot Seed (Semen Armeniacae Amarum)
Ophiopogon Tuber (Radix Ophiopogonis)
Schisandra Fruit (Fructus Schisandrae Chinensis)
Fresh Ginger Rhizome (Rhizoma Zingiberis)
Chinese Date (Fructus Jujubae)
Bamboo Shavings (Caulis Bambusae in Taeniam)

bubble_chart Efficacy

Clearing heat and resolving phlegm, nourishing yin and relieving cough.

bubble_chart Indications

Excessive phlegm, yellow sputum, difficulty in expectoration, even blood in sputum, dry mouth with desire to drink, red tongue, yellow greasy coating, and thready rapid pulse.

bubble_chart Formula Principles

This prescription is suitable for cough caused by phlegm-heat accumulation in the lungs and consumption of yin fluids. In the formula, Skullcap Root, White Mulberry Root-Bark, and Gardenia are bitter and cold to clear lung heat; Platycodon Root, Fritillaria Bulb, Bitter Apricot Seed, and Bamboo Shavings are used to clear the lung and resolve phlegm to relieve cough; Asparagus Root and Ophiopogon Tuber moisten the lungs, clear heat, resolve phlegm, and relieve cough; Dried Tangerine Peel and Poria regulate qi, invigorate the spleen, and resolve phlegm to prevent the source of phlegm production; Chinese Angelica nourishes blood to moisten dryness and is mainly used for cough with dyspnea; Schisandra Fruit astringes the lungs to relieve cough, enriches yin, and promotes fluid production; Fresh Ginger Rhizome, Chinese Date, and Liquorice Root tonify qi, harmonize the middle, protect stomach qi, and harmonize the other herbs. Additionally, the combination of Schisandra Fruit and Liquorice Root enhances the effects of enriching yin and promoting fluid production.

bubble_chart Syndrome Differentiation

  1. Cough with copious yellow phlegm.
  2. Dry mouth with desire to drink.
  3. Red tongue with yellow coating.
  4. Thin and rapid pulse.

bubble_chart Formula Modification

  1. Difficulty in expectorating sputum: add Trichosanthis Fruit, Immature Orange Fruit, Bomboo Juice.
  2. Cough with rapid breathing: add cultivated purple perilla fruit, Bomboo Juice.
  3. Red face and body heat: add Peony Root, Unprocessed Rehmannia Root, Aster, Donkey-hide Gelatin.
  4. Long-term cough with excessive sweating: add White Atractylodes Rhizome, Peony Root, Unprocessed Rehmannia Root.
  5. Cough with body heat: add Bupleurum.
  6. Cough with excessive phlegm: add White Atractylodes Rhizome, Inula Herb.

bubble_chart Cautions and Contraindications

Avoid spicy, greasy, and overly rich foods.

bubble_chart Modern Application

Bronchitis, bronchiectasis, bronchial asthma, pneumonia.

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