<?xml version="1.0" encoding="UTF-8"?>
<record type="herb" updated="2026-09-18T16:36:05.562279+00:00">
  <source>Bencao Index</source>
  <source-url>https://bencaoindex.com/</source-url>
  <canonical>https://bencaoindex.com/herbs/tong-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/tong-cao/&quot;&gt;Bencao Index&lt;/a&gt;</attribution-html>
  <names>
    <name type="pinyin">tong cao</name>
    <name type="chinese">通草</name>
    <name type="latin">Medulla Tetrapanacis</name>
    <name type="english">Rice Paper Plant Pith</name>
    <name type="japanese">tsuso</name>
    <name type="korean">tongcho</name>
  </names>
  <category>Drain Dampness</category>
  <channels>
    <channel>Lung</channel>
    <channel>Stomach</channel>
  </channels>
  <actions>
    <action>
      <summary>Promotes urination, drains Damp and clears Heat</summary>
      <indication>Damp-Warm febrile disease</indication>
      <indication>Painful urinary dysfunction from Damp-Heat</indication>
      <indication>Damp-Heat in the Lower Jiao with edema and scanty, dark or painful urination</indication>
      <indication>Mild Lin patterns</indication>
      <indication>Mostly given in a supporting role</indication>
    </action>
    <action>
      <summary>Clears Heat through the Lungs and opens the water passages</summary>
      <indication>Fluids failing to descend along the upper water pathway</indication>
    </action>
    <action>
      <summary>Promotes lactation</summary>
      <indication>Scanty or absent breast milk, classically combined with herbs that support Qi and Blood</indication>
    </action>
  </actions>
</record>
