Yibian
 Shen Yaozi 
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formula nameImpediment-Alleviating Decoction
sourceJisheng Fang
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bubble_chart Preparation and Dosage

Chinese Angelica (Radix Angelicae Sinensis) 9gm
Red Peony Root (Radix Paeoniae Rubra) 9gm
Turmeric (Rhizoma Curcumae Longae) 9gm
Astragalus Root (Radix Astragali seu Hedysari) 9gm
Notopterygium (Rhizoma et Radix Notopterygii) 9gm
Saposhnikovia Root (Radix Saposhnikoviae) 9gm
Liquorice Root (Radix Glycyrrhizae) 3gm
Fresh Ginger Rhizome (Rhizoma Zingiberis) 15gm
Chinese Date (Fructus Jujubae) 3 pieces

bubble_chart Efficacy

Tonifying qi to invigorate blood, dispelling wind to eliminate dampness.

bubble_chart Indications

Wind-dampness arthralgia, body aches and pains, spasm of the neck and back, heaviness in the waist and legs, numbness and pain in the hands and feet, difficulty in movement, skin numbness, and weakness of the tendons and meridians.

bubble_chart Formula Principles

In the formula, Notopterygium and Saposhnikovia Root dispel wind and remove dampness; Chinese Angelica and Red Peony Root invigorate blood and nourish blood, also implying the principle of treating wind by first treating blood; Turmeric specifically targets the arms, regulating qi stagnation in the blood and dispelling wind-cold dampness from the limbs; Astragalus Root tonifies qi, supports the body's vital energy, and strengthens the defensive qi; Liquorice Root harmonizes the middle and moderates the effects of the other herbs, and when combined with Peony Root, it can also relieve pain and spasms; Fresh Ginger Rhizome dispels wind, disperses cold, warms the stomach, and harmonizes the middle.

bubble_chart Syndrome Differentiation

This formula, along with Pubescent Angelica and Taxillus Decoction, is commonly used to treat Bi disease. However, this formula is more suitable for cases of dual deficiency of nutrient and defense, with pain predominantly in the upper limbs and shoulders. On the other hand, Pubescent Angelica and Taxillus Decoction is more appropriate for cases of dual deficiency of the liver and kidney, with pain predominantly in the lower limbs or waist and knees.

bubble_chart Formula Modification

  1. Pain or numbness in the lower limbs or waist and legs: Add Eucommia Bark, Achyranthes Root, Dipsacus.
  2. Excessive dampness: Add Atractylodes Rhizome, Stephania Tetrandra, Coix Seed.
  3. Severe pain due to cold: Add Aconite Lateral Root.

bubble_chart Modern Application

This formula reduces inflammation, alleviates fever, relieves pain, enhances the body's immunity, and improves blood circulation. It is used for periarthritis of the shoulder (frozen shoulder), wind-dampness arthritis, sciatica, and cervical and back neuralgia.

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