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<record type="herb" updated="2026-09-18T16:36:30.838573+00:00">
  <source>Bencao Index</source>
  <source-url>https://bencaoindex.com/</source-url>
  <canonical>https://bencaoindex.com/herbs/qian-niu-zi/</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/qian-niu-zi/&quot;&gt;Bencao Index&lt;/a&gt;</attribution-html>
  <names>
    <name type="pinyin">qian niu zi</name>
    <name type="chinese">牵牛子</name>
    <name type="latin">Semen Pharbitidis</name>
    <name type="english">Morning Glory Seeds</name>
    <name type="japanese">kengoshi</name>
    <name type="korean">kyeonuja</name>
  </names>
  <category>Harsh Expellants</category>
  <channels>
    <channel>Lung</channel>
    <channel>Large Intestine</channel>
    <channel>Small Intestine</channel>
    <channel>Kidney</channel>
  </channels>
  <safety toxic="true">Recorded toxic in this catalogue. Read the cautions on the record.</safety>
  <actions>
    <action>
      <summary>Drives out water through urination and bowel movement</summary>
      <indication>Edema and ascites from accumulated pathogenic water or Damp, with constipation and scanty urine; a harsh expellant for severe Excess fluid build-up, which may be used alone</indication>
      <indication>Constipation from accumulated Heat in the Stomach and Intestines</indication>
    </action>
    <action>
      <summary>Descends Lung Qi and expels Phlegm-fluids (Tan Yin)</summary>
      <indication>Cough, wheezing and a full chest and abdomen when thin mucus obstructs the Lungs</indication>
    </action>
    <action>
      <summary>Unblocks the bowels and drains Damp-Heat</summary>
      <indication>Constipation from Damp-Heat or Food stagnation lodged in the Stomach and Intestines, using a smaller amount</indication>
    </action>
    <action>
      <summary>Expels intestinal parasites and reduces stagnation</summary>
      <indication>Tapeworm or roundworm, with abdominal pain</indication>
      <indication>Food or Qi stagnation with distension and constipation</indication>
    </action>
  </actions>
</record>
