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<record type="herb" updated="2026-09-18T16:35:05.691273+00:00">
  <source>Bencao Index</source>
  <source-url>https://bencaoindex.com/</source-url>
  <canonical>https://bencaoindex.com/herbs/long-dan-cao/</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/herbs/long-dan-cao/&quot;&gt;Bencao Index&lt;/a&gt;</attribution-html>
  <names>
    <name type="pinyin">long dan cao</name>
    <name type="chinese">龙胆</name>
    <name type="latin">Radix Gentianae</name>
    <name type="english">Gentian Root</name>
    <name type="japanese">ryutan</name>
    <name type="korean">yongdamcho</name>
  </names>
  <category>Clear Heat, Dry Dampness</category>
  <channels>
    <channel>Stomach</channel>
    <channel>Gallbladder</channel>
    <channel>Liver</channel>
  </channels>
  <actions>
    <action>
      <summary>Drains Damp-Heat from the Liver and Gallbladder channels</summary>
      <indication>Damp-Heat rising along the Gallbladder channel: red, swollen eyes, a red sore throat, swollen painful ears, or sudden ear pain or deafness</indication>
      <indication>Liver and Gallbladder Damp-Heat with jaundice</indication>
      <indication>Damp-Heat in the genital area with itching, swelling, pain or dampness, and a foul-smelling, coloured vaginal discharge</indication>
      <indication>Painful, burning urination</indication>
    </action>
    <action>
      <summary>Drains Excess Liver Fire</summary>
      <indication>Liver Fire flaring upward with headache, dizziness, red eyes, a bitter taste, rib-side pain, irritability and a short temper</indication>
      <indication>Fever with convulsions, spasms or flank pain from Wind-Heat in the Liver</indication>
    </action>
    <action>
      <summary>Extinguishes Liver Wind in children</summary>
      <indication>Convulsions with high fever in infants, when Liver Fire stirs up Wind, at reduced doses</indication>
    </action>
  </actions>
</record>
