Wiseman’s Chinese Medical Database

huáng yào zǐ / 黄药子 / 黃藥子 / air potato

Latin pharmacognostic name: Dioscoreae Bulbiferae Rhizoma

Alternate English names:

Alternate Chinese names: 黄药根 huáng yào gēn; 木药子 mù yào zǐ; 大苦 dà kǔ; 黄独 huáng dú; 黄药 huáng yào

Origin: Plant

Use: medicinal

Category: Phlegm-transforming cough-relieving panting-calming agents / Phlegm-transforming agents

Properties: Bitter; cold; nontoxic*.

Channel entry: lung and liver channels.*

Indications:

• Disperses binds and goiter: Goiter.
• Clears heat and resolves toxin: Toxin swelling of sores; painful swollen throat; venomous snake bites; tumors.
• Cools the blood and stanches bleeding: Vomiting of blood (blood ejection); nosebleed; expectoration of blood.

  Dosage & Method:

  Oral: Decoct (4.5–9g). Topical: Apply crushed or grind and apply mixed.

  Quality:

  Large pieces with grayish-black skin, and yellowish white on the cut surface.

  Product Area:

  Produced mainly in Húběi, Húnán, and Jiāngsū, but also in Héběi, Shāndōng, Zhèjiāng, ānhuī, Sìchuān, Yúnnán, Guìzhōu, and Fújiàn.