Evidence supporting the use of: Bearberry
For the health condition: Kidney Infection

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Synopsis

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

Bearberry (Arctostaphylos uva-ursi) has a long history of use in traditional herbal medicine, particularly in Europe and North America, for urinary tract conditions, including kidney infections. The leaves contain arbutin, which is metabolized into hydroquinone, a compound with antimicrobial properties. Historically, bearberry was commonly recommended by herbalists and in pharmacopeias for urinary tract infections (UTIs), cystitis, and sometimes for kidney-related issues.

However, modern scientific validation for its effectiveness specifically in treating kidney infections (pyelonephritis) is limited. Most studies and evidence focus on bearberry's role in mild lower urinary tract infections rather than in serious kidney infections. There is some laboratory evidence that arbutin and related compounds can inhibit the growth of certain bacteria in the urinary tract, but clinical trials in humans are scarce and generally of low quality.

Overall, while bearberry's traditional use for urinary tract infections is well documented, its efficacy and safety in treating kidney infections have not been established by rigorous scientific studies. Medical professionals generally do not recommend bearberry as a primary or sole treatment for kidney infections, which are potentially serious and usually require antibiotics. Bearberry may play a supportive role in mild urinary tract infections, but anyone with signs of kidney infection should seek prompt medical care.

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