Medicina China HoyTraditional Chinese Medicine
Medicinal herb · Qi-regulating herbs

Wū Yào · Lindera Root

Wū Yào (乌药, Lindera Root) is a herb of Warm nature and Pungent flavor, in the “Qi-regulating herbs” category. Tradition uses it to regulate Qi and relieve cold pain, Warm the Kidney and disperse the cold, Mover el Qi y calentar el Jiao Medio e Inferior.

乌药 · Wū YàoUpdated on

Energetic profile

Pinyin name
Wū Yào
Characters
乌药
Botanical name
Lindera aggregata (Sims) Kosterm.
Family
Lauraceae
Part used
Root
Nature
Warm
Flavor
Pungent
Meridians
Lung, Spleen, Kidney, Bladder
Category
Qi-regulating herbs
Toxicity
Non-toxic
Pregnancy
Caution
Origin
China, Japan

Actions according to tradition

  • Regulate Qi and relieve cold pain
  • Warm the Kidney and disperse the cold
  • Mover el Qi y calentar el Jiao Medio e Inferior

Traditional uses

  • Hernial and lower abdominal pain due to cold in the Liver canal
  • Frequent urination and enuresis due to Kidney Yang deficiency
  • Dysmenorrhea and menstrual distension due to cold and stagnation
  • Abdominal pain due to cold with flatulence
  • Nausea and vomiting due to inversion of Stomach Qi due to cold

Studied effects and current applications

  • Moves stagnant Qi and disperses cold, relieving abdominal and lower pain
  • Warms the Kidney to treat frequent urination and enuresis
  • Relieves hernia pain and menstrual pain due to cold-stagnation
  • Gentle and broad spectrum: covers both the Middle and Lower Jiao
  • Antispasmodic

Applications under investigation

  • Overactive bladder syndrome
  • Dismenorrea primaria
  • Inguinal hernia with pain
  • Irritable bowel syndrome with cold pattern
  • Low back pain due to Kidney Yang deficiency

An effect being investigated does not mean it has been proven in humans.

Contraindications and adverse effects

Absolute contraindications

  • Internal heat without cold or stagnation
  • Yin deficiency with internal heat

Relative contraindications

  • Pregnancy (strong heating action)
  • Sequedad interna
Pregnancy
Use with caution in pregnancy. Strong heating action.
Breastfeeding
Use with caution. Limited data.
Children
Use with caution and reduced dosage in children.
Older adults
Useful for elderly people with frequent urination and abdominal pain due to cold.

Possible adverse effects

  • Dryness in prolonged use
  • Occasional gastric irritation

When to stop

  • Internal heat worsens
  • Yin deficiency appears

Interactions with medications

GroupDrugsSeverityEffect and recommendation
Anticholinergics/overactive bladderOxibutinina, TolterodinaMildSynergistic effects on the bladder muscles Monitor urinary symptoms.

With other herbs

  • xiang_fu Classic combination to regulate Lower Jiao Qi and treat hernia pain

Reference dose

Decoction
3-9 g daily
Powder
1-3 g daily
Acute use
1-2 weeks
Chronic use
2-4 weeks
Maximum
short use; avoid prolonged use that depletes Yin
Children
Use with caution in children. Reduce dose.

Forms of preparation

Decoction

Boil 3-9g in 3 cups of water for 30 min. Drink warm.

Abdominal pain due to cold, frequent urination

Wine soak

Macerate 30g in rice wine for 2 weeks. Take 1 teaspoon twice a day.

Chronic hernia pain

Approximate doses from the literature; they are not a prescription. Consult a professional.

Active compounds

Essential oils (linalool, isobornyl acetate) and aporphynic alkaloids

Linalool and isobornyl acetate

Monoterpenes · Qi regulator, analgesic, antispasmodic

GABA-A modulation, calcium channel blockade · 30-60% of essential oil

Linderin isobutyrate and sesquiterpenes

Sesquiterpene esters · Pain reliever, anti-inflammatory

COX-2 inhibition, opioid receptor modulation · 0.5-2.0%

Aporphinic alkaloids (linderine)

Isoquinoline alkaloids · Pain reliever, mild sedative

GABA and opioid receptor modulation · 0.1-0.5%

Ferulic and caffeic acid

Phenolic acids · Antioxidant, anti-inflammatory

Free radical scavenging, NF-κB inhibition · 0.05-0.2%

Harvesting and processing

Harvest
Fall (October-November), 3+ year old roots

Lindera aggregata roots harvested in autumn. They are cleaned, cut into slices and dried. Root root (乌药) is distinguished from wood.

Raw (乌药 Wū Yào)

Root cut into diagonal slices and dried.

Health notice. Educational and study content. It describes concepts of Traditional Chinese Medicine and does not replace diagnosis or treatment by a healthcare professional. Needling, medicinal herbs and invasive techniques must be applied by trained professionals. Safety guide.