Creosote Bush (Larrea tridentata)

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Botanical Information

• Family: Zygophyllaceae
• Common Names: Creosote Bush, Chaparral, Gobernadora
• Parts Used: Leaves, stems, resin

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Description

Larrea tridentata is a hardy desert shrub native to the southwestern United States and northern Mexico. It is highly valued for its antimicrobial, antioxidant, and anti-inflammatory properties, often used in traditional herbal medicine for infections, respiratory conditions, and skin disorders.

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Historical and Traditional Uses

• Used by Indigenous tribes of the Southwest for wounds, infections, and digestive issues.
• Traditionally applied as a poultice or wash for skin conditions such as sores and fungal infections.
• Employed as a tea for respiratory and gastrointestinal infections.
• Used as a general tonic for detoxification and immune support.

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Constituents

• Nordihydroguaiaretic acid (NDGA)
• Flavonoids
• Tannins
• Lignans
• Essential oils

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Actions

• Antimicrobial
• Anti-inflammatory
• Antioxidant
• Expectorant
• Astringent
• Detoxifier

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Medicinal Uses

1. Antimicrobial and Antifungal Effects:
Traditionally used to treat bacterial and fungal infections, including athlete’s foot and ringworm.

2. Respiratory Health:
Acts as an expectorant to clear mucus and relieve coughs and congestion.

3. Detoxification and Antioxidant Support:
Contains compounds that protect against oxidative stress and support liver detoxification.

4. Skin and Wound Healing:
Applied externally to treat cuts, sores, and inflammatory skin conditions.

5. Digestive and Urinary Health:
Used to relieve stomach discomfort and urinary tract infections.

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Preparation and Dosage

Infusion (Tea):

• 1 tsp of dried leaves per cup of hot water. Steep for 10-15 minutes and drink up to twice daily.

Tincture:

• 1-3 ml taken up to 3 times daily.

Poultice (Topical Use):

• Crushed fresh leaves applied to wounds, rashes, or fungal infections.

Resin Salve:

• Infused oil or salve used for skin conditions and inflammation.

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Precautions and Contraindications

• Pregnancy and Lactation: Not recommended due to potential toxicity.
• Liver Sensitivity: Prolonged use may affect liver function; use cautiously.
• Excessive Use: High doses may cause gastrointestinal discomfort.

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Energetics (Traditional Medicine Perspectives)

• Traditional Western Herbalism: Drying and cooling; used for infections, detoxification, and inflammation.
• Indigenous North American Medicine: Used for wound healing, immunity, and purification.
• Ayurveda: Primarily balances Kapha and Pitta, but excessive use may aggravate Vata.

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Combinations

• For Respiratory Support: Combine with mullein and thyme.
• For Antifungal Support: Combine with neem and tea tree oil.
• For Wound Healing: Combine with calendula and comfrey.

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Harvesting and Storage

• Harvesting: Leaves and stems are collected in spring or early summer.
• Drying: Air dry in a well-ventilated, shaded area.
• Storage: Store dried leaves in airtight containers away from light and moisture.

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Modern Research

Studies confirm Larrea tridentata’s antimicrobial, antioxidant, and anti-inflammatory properties, supporting its traditional applications.

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Creosote Bush remains a valuable herb in both traditional and modern herbal medicine, particularly for antimicrobial applications, respiratory support, and skin healing.