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Pau d’Arco (Tabebuia spp.)

Botanical Information

  • Family: Bignoniaceae
  • Common Names: Pau d’Arco, Lapacho, Taheebo
  • Parts Used: Inner bark

Description

Pau d’Arco refers to several species of Tabebuia trees native to Central and South America. Known for its antifungal, antibacterial, and anti-inflammatory properties, the inner bark has been traditionally used to support immune function, fight infections, and promote overall well-being.

Historical and Traditional Uses

  • Used by Indigenous tribes in the Amazon rainforest for treating infections, wounds, and inflammation.
  • Employed in traditional South American medicine for respiratory and gastrointestinal infections.
  • Traditionally consumed as a tea to boost immunity and detoxify the body.

Constituents

  • Naphthoquinones (lapachol)
  • Flavonoids
  • Quercetin
  • Beta-lapachone
  • Tannins

Actions

  • Antifungal
  • Antibacterial
  • Antiviral
  • Anti-inflammatory
  • Immune-modulating
  • Antioxidant

Medicinal Uses

1. Immune System Support:
Pau d’Arco enhances immune function and helps the body defend against infections, particularly fungal and bacterial infections.

2. Antifungal and Antimicrobial Effects:
Effective against Candida overgrowth and fungal infections, Pau d’Arco is commonly used to treat yeast infections, athlete’s foot, and ringworm.

3. Anti-inflammatory Relief:
It helps reduce inflammation, making it useful for conditions like arthritis and inflammatory skin disorders.

4. Respiratory Health:
Traditionally used to relieve coughs, bronchitis, and respiratory infections.

5. Digestive Health:
The herb soothes gastrointestinal inflammation and can help combat gut infections.

6. Detoxification:
Its blood-purifying and antioxidant effects support the body’s natural detoxification processes.

Preparation and Dosage

Decoction (Tea):

  • 1-2 tsp of dried inner bark per cup of water. Simmer for 10-15 minutes and drink 1-2 times daily.

Tincture:

  • 2-4 ml of Pau d’Arco tincture, taken 2-3 times daily.

Capsules:

  • 300-600 mg of standardized extract per dose, taken 1-2 times daily.

Topical Use:

  • Apply a decoction or extract to fungal infections or wounds as a wash.

Precautions and Contraindications

  • Pregnancy and Lactation: Avoid use due to possible uterine-stimulating effects.
  • Bleeding Disorders: May slow blood clotting; use with caution if on anticoagulant medications.
  • High Doses: Excessive use may cause gastrointestinal upset or dizziness.

Energetics (Traditional Medicine Perspectives)

  • Traditional South American Medicine: Warming and cleansing, Pau d’Arco is used to eliminate toxins and clear infections.
  • Ayurvedic: Balances vata and kapha, helping to eliminate stagnation and reduce inflammation.

Combinations

  • For Immune Support: Combine with echinacea and astragalus.
  • For Antifungal Effects: Combine with oregano oil and garlic.
  • For Detoxification: Combine with burdock and dandelion.

Harvesting and Storage

  • Harvesting: The inner bark is harvested sustainably to ensure tree health and regeneration.
  • Drying: Dry the inner bark in a warm, well-ventilated area.
  • Storage: Store dried bark or extracts in an airtight container in a cool, dark place.

Modern Research

Studies have confirmed Pau d’Arco’s antifungal, antibacterial, and anti-inflammatory properties. Research is ongoing into its potential for managing infections, cancer, and inflammatory disorders.

Pau d’Arco remains a valued herb in traditional and modern herbal medicine, offering support for immune health, infection control, and detoxification.