Uva Ursi contains the glycoside arbutin, which has antimicrobial properties and acts as a mild diuretic. It may be beneficial for the treatment of urinary tract complaints such as cystitis.
100ml 1:3 Alcohol Volume 45%. Take 10 – 15 drops 2 x daily.
See what Wikipedia says:
http://en.wikipedia.org/wiki/Uva_ursi