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<record type="formula" updated="2026-09-18T16:36:34.920123+00:00">
  <source>Bencao Index</source>
  <source-url>https://bencaoindex.com/</source-url>
  <canonical>https://bencaoindex.com/formulas/er-miao-san/</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/er-miao-san/&quot;&gt;Bencao Index&lt;/a&gt;</attribution-html>
  <names>
    <name type="pinyin">er miao san</name>
    <name type="english">Two-Marvel Powder</name>
  </names>
  <category>Clear Damp Heat</category>
  <actions>
    <action>
      <summary>Clears Heat and dries Dampness</summary>
      <indication>Damp-Heat pouring down into the Lower Jiao</indication>
      <indication>Lower back pain of a Heat type, with pain in the knees</indication>
      <indication>Aching bones and sinews</indication>
      <indication>Legs and feet that are weak, heavy or wasting (atrophy disorder)</indication>
      <indication>Knees or feet that are red, hot, swollen and painful, with a burning feeling</indication>
      <indication>Damp leg Qi, with swelling of the lower legs</indication>
      <indication>Thick, yellow vaginal discharge with a foul smell; itching of the genitals, scrotum or perineum</indication>
      <indication>Damp sores, eczema and rashes of the lower body</indication>
      <indication>Scanty urine that is yellow or turbid</indication>
      <indication>Tongue with a greasy yellow coat; pulse soft (soggy) or slippery, and rapid</indication>
    </action>
    <action>
      <summary>Modern uses</summary>
      <indication>Arthritis</indication>
      <indication>Rheumatoid arthritis</indication>
      <indication>Gout and gouty arthritis</indication>
      <indication>Gonococcal arthritis</indication>
      <indication>Arthralgia and panarthralgia</indication>
      <indication>Ankylosing spondylitis</indication>
      <indication>Polymyositis</indication>
      <indication>Muscle Bi</indication>
      <indication>Myasthenia gravis</indication>
      <indication>Weakness</indication>
      <indication>Low back pain</indication>
      <indication>Knee pain</indication>
      <indication>Foot pain</indication>
      <indication>Inflamed legs</indication>
      <indication>Erythromelalgia</indication>
      <indication>Beriberi</indication>
      <indication>Oedema</indication>
      <indication>Acute nephritis</indication>
      <indication>Urinary tract infection</indication>
      <indication>Vaginitis</indication>
      <indication>Vulvitis</indication>
      <indication>Cervicitis</indication>
      <indication>Vaginal discharge and leucorrhoea</indication>
      <indication>Dysmenorrhoea</indication>
      <indication>Gonorrhoea</indication>
      <indication>Genital herpes</indication>
      <indication>Eczema, including eczema of the lower limbs</indication>
      <indication>Dermatitis</indication>
      <indication>Neurodermatitis</indication>
      <indication>Tinea pedis</indication>
      <indication>Fungal infections</indication>
      <indication>Blepharitis</indication>
    </action>
  </actions>
  <constituents>
    <herb>huang bai</herb>
    <herb>cang zhu</herb>
  </constituents>
</record>
