Huang Yao Zi (Dioscorea Bulbifera Tober)

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

Channels:

HT, LIV, LU

Properties:

Bitter, Neutral

Latin:

Tuber Dioscoreae Bulbiferae

Tone Marks:

huáng yào zĭ

Translation:

Yellow Medicine

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