Botanical Overview
Arctostaphylos uva-ursi, commonly known as Bearberry, Uva-ursi, or Kinnikinnick, belongs to the Ericaceae family. The medicinal parts used are primarily the dried leaves of the plant. It is native to the Northern Hemisphere, including regions of North America, Europe, and Asia.
Energetics
This herb is considered cooling in temperature and drying in moisture. It has bitter and astringent tastes, is tonifying in nature, and primarily affects the qi aspect of the body.
Primary Actions
- Astringent
- Diuretic
- Antiseptic
Indications
Western
- Urinary tract inflammation
- Cystitis
- Urethritis
- Frequent urination
Syndromes
- Urinary tract infections
- Bladder irritation
TCM
Not well-documented for use in Traditional Chinese Medicine.
Ayurveda
No clear traditional indications identified.
Unani
No clear traditional indications identified.
Constituents & Mechanisms
The leaves contain phytochemicals including arbutin, tannins, methyl arbutin, and hydroquinone derivatives which provide antiseptic and astringent properties.
Dosage & Preparations
- Infusion: 2-4 g dried leaf, 2-3 times daily
- Tincture 1:5 in 40% alcohol: 2-4 mL, 2-3 times daily
- Capsules standardized to arbutin: 200-400 mg daily
Safety & Contraindications
Use with caution during pregnancy and lactation; avoid in kidney disease and children under 12. May cause gastrointestinal discomfort or liver toxicity with prolonged or excessive use. Interactions possible with diuretics and lithium.
Astrological Correspondences
No reliably documented planetary or elemental rulers found.
Selected References
- Arctostaphylos uva-ursi (Leaf) – HMPC Assessment Report, EMA, 2017
- Arctostaphylos uva-ursi, Plants For A Future (PFAF)
- Bearberry, MedlinePlus NIH
- Arctostaphylos uva-ursi, Herbal Medicines: A Guide for Health-Care Professionals, Maxwell Barber, 2018