Yibian
 Shen Yaozi 
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formula nameMinor Chest Bind Decoction
sourceTreatise on Cold Damage and Miscellaneous Diseases
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bubble_chart Preparation and Dosage

Coptis Rhizome (Rhizoma Coptidis) 1 liǎng
Pineilia (Rhizoma Pinelliae) half shēng
Trichosanthis Fruit (Fructus Trichosanthis) the big one

bubble_chart Efficacy

Clearing heat, resolving phlegm, and relieving chest tightness.

bubble_chart Indications

Phlegm-heat accumulating in the epigastrium, causing chest and gastric stuffiness, pain upon pressure, or coughing up thick yellow sputum, yellow greasy tongue coating, and slippery rapid or floating slippery pulse.

bubble_chart Formula Principles

This formula is used to treat phlegm-heat accumulation in the chest. When the exterior pattern of cold-damage disease is not resolved and is mistreated, pathogenic heat invades inward, leading to the binding of phlegm and heat, or the scorching of body fluids by warm-heat pathogenic qi, resulting in phlegm. In the formula, Trichosanthis Fruit serves as the sovereign herb, clearing heat and resolving phlegm, and unblocking chest obstruction. Coptis Rhizome acts as the minister herb, clearing heat and purging fire to relieve epigastric stuffiness. Pinellia is used as the assistant herb, downbearing counterflow and resolving masses, dispersing heart purgation knots. When paired with {|106|}Coptis Rhizome{|107|}, one pungent and one bitter, it achieves pungent dispersing and bitter descending effects. Combined with Trichosanthis Fruit, it harmonizes moistening and drying, and balances cold and warmth.

bubble_chart Pattern Identification

  1. Feeling of oppression in the chest.
  2. Shortness of breath.
  3. Yellow, thick, and difficult-to-expectorate phlegm.
  4. Floating, slippery, and rapid pulse.

bubble_chart Formula Modification

  1. alternating chills and fever: combine Minor Bupleurum Decoction.
  2. pneumonia with dyspnea and cough: combine Ephedra, Bitter Apricot Seed, Gypsum and Licorice Decoction.

bubble_chart Cautions and Contraindications

Use with caution for cold pattern.

bubble_chart Modern Application

This formula has antibacterial, anti-inflammatory, antipyretic, cholagogic, and coronary artery-dilating effects, and resists acute myocardial ischemia. It is used for pneumonia, bronchitis, pleuritis, costal pleuritis, gastritis, hyperacidity, cholelithiasis, lung qi swelling, heart colicky pain, pancreatitis, and gastric neurosis.

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