Herbs that Cool and Transform Phlegm-Heat
Huang Yao Zi
Tuber Dioscoreae Bulbiferae Dioscorea Bulbifera Tober
Materia Medica Data
- Temperature
- Neutral
- Nature & Flavour
- Bitter, Neutral
- Channels Entered
- HT, LIV, LU
- Latin (pharmaceutical)
- 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 Dosage
- 10-15 grams in decoction (Chen)
- 6-15 grams in decoction (Bensky)
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
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.
Chinese Herb Notes
- This herb has proven effective against some types of cancer but caution should be used due to the high toxicity
Sources & References
Compiled and edited by Thomas Dehli, Founder & Editor, Sacred Lotus
The information here is referenced from numerous sources — teachers, practitioners, class notes from Five Branches University, the books below, and the published research literature, with citations given as resolvable PubMed identifiers. Where sources disagree, I have flagged the discrepancies directly. If facts couldn't be verified, I have left them out. How we source our content.
Reference information for students and practitioners — not medical advice. Consult a qualified practitioner. Terms of use.
Chinese Herbs Books & References
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