<?xml version="1.0" encoding="UTF-8"?>
<record type="herb" updated="2026-09-18T16:36:10.103746+00:00">
  <source>Bencao Index</source>
  <source-url>https://bencaoindex.com/</source-url>
  <canonical>https://bencaoindex.com/herbs/hu-zhang/</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/hu-zhang/&quot;&gt;Bencao Index&lt;/a&gt;</attribution-html>
  <names>
    <name type="pinyin">hu zhang</name>
    <name type="chinese">虎杖</name>
    <name type="latin">Rhizoma Polygoni Cuspidati</name>
    <name type="english">Bushy Knotweed Rhizome</name>
    <name type="japanese">kojyo</name>
    <name type="korean">hojang</name>
  </names>
  <category>Invigorate the Blood</category>
  <channels>
    <channel>Lung</channel>
    <channel>Gallbladder</channel>
    <channel>Liver</channel>
  </channels>
  <actions>
    <action>
      <summary>Invigorates Blood, dispels stasis, unblocks the channels and relieves pain</summary>
      <indication>Amenorrhea or painful periods from Blood stasis</indication>
      <indication>Abdominal pain after childbirth</indication>
      <indication>Pain from traumatic injury</indication>
      <indication>Wind-Damp Bi with joint pain</indication>
    </action>
    <action>
      <summary>Clears Heat and resolves Damp</summary>
      <indication>Jaundice from Damp-Heat</indication>
      <indication>Cloudy vaginal discharge from Damp-Heat</indication>
      <indication>Turbid, painful urination (Lin syndrome)</indication>
    </action>
    <action>
      <summary>Clears toxins and reduces swelling</summary>
      <indication>Toxic sores, carbuncles, burns and scalds, used internally or on the skin</indication>
    </action>
    <action>
      <summary>Drains Heat, transforms Phlegm and stops cough</summary>
      <indication>Cough from Heat or Phlegm in the Lungs, including chronic cough</indication>
      <indication>Constipation from knotted Heat</indication>
    </action>
  </actions>
</record>
