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<record type="herb" updated="2026-09-18T16:34:43.945725+00:00">
  <source>Bencao Index</source>
  <source-url>https://bencaoindex.com/</source-url>
  <canonical>https://bencaoindex.com/herbs/huang-bai/</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/huang-bai/&quot;&gt;Bencao Index&lt;/a&gt;</attribution-html>
  <names>
    <name type="pinyin">huang bai</name>
    <name type="chinese">黄柏</name>
    <name type="latin">Cortex Phellodendri</name>
    <name type="english">amur cork-tree bark</name>
    <name type="japanese">obaku</name>
    <name type="korean">hwangbaek</name>
  </names>
  <category>Clear Heat, Dry Dampness</category>
  <channels>
    <channel>Bladder</channel>
    <channel>Kidney</channel>
  </channels>
  <actions>
    <action>
      <summary>Drains Damp-Heat, particularly from the Lower Jiao</summary>
      <indication>Lower Jiao Damp-Heat</indication>
      <indication>Vaginal discharge that is thick, yellow and foul-smelling</indication>
      <indication>Diarrhea or dysentery with a foul odour</indication>
      <indication>Jaundice from Damp-Heat</indication>
      <indication>Acute urinary tract infection</indication>
      <indication>Hot Leg Qi: knees, legs or feet that are red, hot, swollen and painful as Damp-Heat pours downward</indication>
    </action>
    <action>
      <summary>Drains Kidney Fire from deficiency</summary>
      <indication>Empty Fire flaring from deficient Kidney Yin: steaming bone, night sweats, afternoon fever with sweating, and at times nocturnal emissions or spermatorrhea</indication>
    </action>
    <action>
      <summary>Drains Fire and resolves Fire toxicity</summary>
      <indication>Toxic sores, abscesses and boils, used internally or applied topically</indication>
      <indication>Damp, weeping skin lesions such as eczema</indication>
    </action>
  </actions>
</record>
