<?xml version="1.0" encoding="UTF-8"?>
<record type="formula" updated="2026-09-18T16:35:55.860386+00:00">
  <source>Bencao Index</source>
  <source-url>https://bencaoindex.com/</source-url>
  <canonical>https://bencaoindex.com/formulas/chai-hu-da-yuan-yin/</canonical>
  <licence>Free to use and republish with visible attribution and a link back to the source page. The catalogue is a reference work and is knowingly incomplete; nothing in it is medical advice.</licence>
  <attribution-html>&lt;a href=&quot;https://bencaoindex.com/formulas/chai-hu-da-yuan-yin/&quot;&gt;Bencao Index&lt;/a&gt;</attribution-html>
  <names>
    <name type="pinyin">chai hu da yuan yin</name>
    <name type="english">Bupleurum Decoction to Reach the Membrane source</name>
  </names>
  <category>Harmonize Lesser Yang Stage Disorders</category>
  <actions>
    <action>
      <summary>Opens the membrane source and expels pathogens lodged between the pleura and diaphragm</summary>
      <indication>Phlegm-Damp blocking the membrane source</indication>
      <indication>Chills and fever that alternate every other day, like malaria</indication>
      <indication>Fullness of the chest and flanks</indication>
    </action>
    <action>
      <summary>Dispels Dampness and dissolves Phlegm</summary>
      <indication>Cough with sputum that is hard to bring up</indication>
      <indication>Greasy feeling in the mouth and heartburn</indication>
      <indication>Dizziness and vertigo</indication>
      <indication>Irritability and restlessness</indication>
      <indication>Tongue normal with a thick, rough coat; pulse wiry or taut, and slippery</indication>
    </action>
    <action>
      <summary>Modern uses</summary>
      <indication>Malaria</indication>
      <indication>Alternating chills and fever</indication>
      <indication>Biliary infection</indication>
      <indication>Cholecystitis</indication>
      <indication>Dizziness</indication>
      <indication>Vertigo</indication>
      <indication>Cough</indication>
    </action>
  </actions>
  <constituents>
    <herb>chai hu</herb>
    <herb>hou po</herb>
    <herb>qing pi</herb>
    <herb>zhi gan cao</herb>
    <herb>huang qin</herb>
    <herb>jie geng</herb>
    <herb>cao guo</herb>
    <herb>bing lang</herb>
    <herb>he ye</herb>
  </constituents>
</record>
