<?xml version="1.0" encoding="UTF-8"?>
<record type="herb" updated="2026-09-18T16:36:36.638073+00:00">
  <source>Bencao Index</source>
  <source-url>https://bencaoindex.com/</source-url>
  <canonical>https://bencaoindex.com/herbs/bian-xu/</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/bian-xu/&quot;&gt;Bencao Index&lt;/a&gt;</attribution-html>
  <names>
    <name type="pinyin">bian xu</name>
    <name type="chinese">萹蓄</name>
    <name type="latin">Herba Polygoni Avicularis</name>
    <name type="english">Knotgrass</name>
    <name type="japanese">henchiku</name>
    <name type="korean">pyeonchuk</name>
  </names>
  <category>Drain Dampness</category>
  <channels>
    <channel>Bladder</channel>
  </channels>
  <actions>
    <action>
      <summary>Drains Damp-Heat from the Bladder, promotes urination and relieves painful urinary dysfunction</summary>
      <indication>Damp-Heat Lin syndrome, including Heat Lin: burning, painful, frequent or dribbling urination with scanty or cloudy urine</indication>
      <indication>Jaundice from Damp-Heat affecting the Liver and Gallbladder, in combination with other herbs</indication>
    </action>
    <action>
      <summary>Kills parasites and stops itching</summary>
      <indication>Intestinal parasites: tapeworm, hookworm, pinworm and roundworm</indication>
      <indication>Itchy Damp skin lesions, including tinea, eczema and oozing sores, often washed with the decoction externally</indication>
    </action>
  </actions>
</record>
