Uva Ursicontains chemicals, primarily hydroquinone and hydroquinone derivatives, that make it potentially useful for urinary conditions and is used to treat infections such
as cystitis, urethritis and nephritis. The hydroquinone derivative, arbutin, is the chief active compound in Uva Ursi. It is absorbed in the stomach and converted into a substance with antimicrobial,
astringent, and disinfectant properties.
Uva Ursi has been reported to be effective against E. coli, Proteus vulgaris, E. coli, Ureaplasma urealyticum, Mycoplasma hominis, Staphylococcus aureus, Pseudomonas aerginosa,
Friedlnder's pneumonia, Enterococcus faecalis, Streptococcus strains, as well as against Candida albicans.