<?xml version="1.0" encoding="UTF-8"?>
<record type="herb" updated="2026-09-19T20:52:51.339752+00:00">
  <source>Bencao Index</source>
  <source-url>https://bencaoindex.com/</source-url>
  <canonical>https://bencaoindex.com/herbs/huang-yao-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/huang-yao-zi/&quot;&gt;Bencao Index&lt;/a&gt;</attribution-html>
  <names>
    <name type="pinyin">huang yao zi</name>
    <name type="chinese">黄药子</name>
    <name type="latin">Rhizoma Dioscoreae Bulbiferae</name>
    <name type="english">airpotato yam</name>
    <name type="japanese">oyakushi</name>
    <name type="korean">hwangyakja</name>
  </names>
  <category>Cool &amp; Transform Phlegm Heat</category>
  <channels>
    <channel>Lung</channel>
    <channel>Liver</channel>
  </channels>
  <safety toxic="true">Recorded toxic in this catalogue. Read the cautions on the record.</safety>
  <actions>
    <action>
      <summary>Transforms Phlegm, dissipates nodules and reduces masses</summary>
      <indication>Goiter; can be given alone as a tincture</indication>
      <indication>Lumps and swellings of the thyroid and neck regarded as accumulated Phlegm</indication>
    </action>
    <action>
      <summary>Clears Heat and resolves toxicity</summary>
      <indication>Toxic swellings, scrofula, a sore swollen throat and animal bites, applied topically</indication>
      <indication>Snake bite, only as an emergency measure; it is no substitute for antivenom</indication>
      <indication>Tumours, particularly of the esophagus, stomach, uterus, colon, liver and thyroid, as used in modern Chinese practice; this records the use, not proof of benefit</indication>
    </action>
    <action>
      <summary>Cools the Blood and stops bleeding</summary>
      <indication>Vomiting or coughing up blood, nosebleed and uterine bleeding</indication>
    </action>
    <action>
      <summary>Stops cough and calms wheezing</summary>
      <indication>Cough in acute or chronic bronchitis</indication>
      <indication>Whooping cough</indication>
      <indication>Asthma and breathlessness</indication>
    </action>
  </actions>
</record>
