Huang Yao Zi (Dioscorea Bulbifera Tober)

Huang Yao Zi (Dioscorea Bulbifera Tober)

Herb 10 of 19 in Herbs that Cool and Transform Phlegm-Heat

Neutral Huang Yao Zi (Tuber Dioscoreae Bulbiferae)
Bitter, Neutral
Tuber Dioscoreae Bulbiferae
Tone Marks:
huáng yào zĭ
Yellow Medicine
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Chinese Herb Actions

  • Dissipates Nodules and Reduces Goiter
  • Clears Heat and Toxins
    For snake bite if anti-venom is not available, sore throat, animal bites and cancer of the esophagus, stomach, liver, colon or thyroid
  • Cools Blood and Stops Bleeding
    For hematemesis, hemoptysis, epistaxis and uterine bleeding
  • Stops Cough and Wheezing
    For cough, dyspnea, acute and chronic bronchitis, whooping cough and asthma

Chinese Herb Contraindications & Cautions

  • Do not use long term, possible side effects include vomiting, diarrhea, abdominal pain and gastrointestinal discomfort
  • Do not use in patients with hepatic dysfunction including hepatitis or cirrhosis
  • Liver function should be monitored when using this herb

Herb-Drug Interactions

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Chinese Herb Toxicity & Overdose

  • This is a toxic herb. Side effects after normal dose include reduced appetite, nausea, and abdominal pain.
  • Overdose leads to burning sensation in the mouth, tongue and throat along with salivation, diarrhea, constricted pupils, dizziness, headache, nausea and vomiting. After 6 days, further symptoms include fatigue, lack of appetite, upper abdominal discomfort, yellow discoloration of the eyes and skin, itching skin as well as liver damage
  • Severe cases can result in jaundice, respiratory distress and toxic hepatitis after long term use.
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Chinese Herb Dosage

  • 10-15 grams in decoction (Chen)
  • 6-15 grams in decoction (Bensky)

Chinese Herb Notes

  • This herb has proven effective against some types of cancer but caution should be used due to the high toxicity

References Used

The TCM information presented here has been referenced from numerous sources; including teachers, practitioners, class notes from Five Branches University, the following books, as well as other sources. If you have benefited from this information, please consider supporting the authors and their works by purchasing the books below.

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