Evidence supporting the use of: Uva Ursi
For the health condition: Urinary Tract Infections

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Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Uva Ursi (Arctostaphylos uva-ursi), also known as bearberry, has a long history of traditional use for urinary tract health, particularly in Europe and North America. The leaves contain arbutin, which is converted in the body to hydroquinone, a compound with antimicrobial properties. Historically, herbalists have used Uva Ursi as a remedy for mild urinary tract infections (UTIs) and bladder inflammation. The traditional use is supported by texts from as early as the 13th century and was included in several pharmacopoeias up to the 20th century. Modern scientific studies on Uva Ursi are limited and results are mixed. Some in vitro studies suggest uva ursi extracts can inhibit the growth of certain bacteria associated with UTIs, such as Escherichia coli. However, clinical trials in humans are rare and often of poor quality or small sample size. Reviews of the literature generally conclude that while there is some evidence of antimicrobial activity, there is insufficient robust clinical data to recommend uva ursi as a primary treatment for UTIs. Safety concerns, especially with long-term use due to potential toxicity of hydroquinone, further limit its recommendation in modern practice. In summary, uva ursi’s use for UTIs is primarily based on traditional herbal practice, with some preliminary scientific support, but lacking strong clinical evidence.

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