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<record type="formula" updated="2026-09-18T16:35:10.689145+00:00">
  <source>Bencao Index</source>
  <source-url>https://bencaoindex.com/</source-url>
  <canonical>https://bencaoindex.com/formulas/huang-long-tang/</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/formulas/huang-long-tang/&quot;&gt;Bencao Index&lt;/a&gt;</attribution-html>
  <names>
    <name type="pinyin">huang long tang</name>
    <name type="english">Yellow Dragon Decoction</name>
  </names>
  <category>Drain Downward</category>
  <actions>
    <action>
      <summary>Purges Heat accumulation and moves the bowels</summary>
      <indication>Excess Heat accumulated in the Yang Ming organs (dry Heat in the Intestines at the Qi stage) in a patient already short of Qi and Blood</indication>
      <indication>Severe constipation with hard, dry stool, or only clear watery fluid passing; or foul, green, watery diarrhoea seeping around the blockage</indication>
      <indication>Hard, painful epigastrium and abdomen, the pain worse on pressure</indication>
      <indication>Fever with thirst and a dry mouth and tongue</indication>
      <indication>Clouded consciousness or delirium; when severe, hallucinations, picking at the bedclothes, grasping at the air, and loss of consciousness with cold, contracted limbs</indication>
      <indication>Tongue body variable, with a dry yellow or dry black coat; pulse weak</indication>
    </action>
    <action>
      <summary>Tonifies Qi and Blood</summary>
      <indication>Classically the elderly, women after childbirth, or the chronically ill or frail, who could not bear purging on its own</indication>
      <indication>Low energy, shortness of breath and a weak voice</indication>
      <indication>Fatigue and weakness; sometimes cold limbs despite the internal Heat</indication>
    </action>
    <action>
      <summary>Modern uses</summary>
      <indication>Constipation</indication>
      <indication>Constipation in the elderly or after surgery</indication>
      <indication>Intestinal obstruction</indication>
      <indication>Paralytic ileus</indication>
      <indication>Fever with impacted stool in weak or frail patients</indication>
      <indication>Typhoid fever</indication>
      <indication>Paratyphoid</indication>
      <indication>Chronic bacterial dysentery</indication>
      <indication>Haemorrhoids</indication>
      <indication>False diarrhoea</indication>
      <indication>Pelvic inflammatory disease</indication>
      <indication>Salpingitis</indication>
      <indication>Gastroenteritis</indication>
      <indication>Recovery of bowel function after surgery</indication>
      <indication>Meningitis</indication>
      <indication>Encephalitis</indication>
      <indication>Intestinal tuberculosis</indication>
      <indication>Abdominal pain</indication>
      <indication>Crohn&apos;s disease</indication>
      <indication>Mesenteric lymphadenitis</indication>
      <indication>Trichomonas</indication>
    </action>
  </actions>
  <constituents>
    <herb>da huang</herb>
    <herb>mang xiao</herb>
    <herb>zhi shi</herb>
    <herb>hou po</herb>
    <herb>ren shen</herb>
    <herb>dang gui</herb>
    <herb>jie geng</herb>
    <herb>sheng jiang</herb>
    <herb>da zao</herb>
    <herb>gan cao</herb>
  </constituents>
</record>
