Arctostaphylos uva ursi

Common Name: Uva ursi or Bearberry

Family: Ericaceae (Heath family)

Parts used: Leaf

Constituents: Phenolic glycosides(arbutin, methylarbutin, aglycones, hydroquinone, methylhydroquinone) and hydrolyzable tannins

Taste/smell: Astringent, slightly sweet

Tendencies: Cooling, drying

Actions

• Urinary tract antiseptic

• Diuretic

Uses

Urinary Tract Antiseptic:

• Bacterial lower urinary tract infection

Diuretic:

• Increases renal circulation

• Stimulates tubular function

Mental Picture and Specifics

• Uva ursi is indicated for atonic, chronic conditions and infectious conditions of the urinary tract.

Contraindications

• Pregnancy due to its oxytocic properties

• Use for > 10 consecutive days

• Ingestion in sensitive individuals may cause nausea and vomiting

Adverse Effects

• Nausea from tannins

Toxicity

• Nausea

• Vomiting

• Tinnitus

• Difficult breathing

• Convulsions

• Loss of consciousness

Interactions

• Arbutin inhibits the degradation of insulin and may be problematic for those with hypoglycemia