Arctostaphylos uva ursi - Bearberry
"CONSTITUENTS: Gallic acid, tannin, resin, sugar, arbutin, ericalin.
PREPARATIONS: Extractum uvae ursi fluidum, fluid extract of uva ursi. Dose: from ten to sixty minims.
Therapy: It is curative in ulceration of the bladder wall, in cystitis, in pyelitis and in pyelonephritis. It is of much benefit also in the general treatment of gonorrhea. It has been prescribed with much confidence in diabetes, in which condition its influence is more general than specific. It exercises a soothing influence upon the urinary apparatus, and for that reason, is a common constituent of very many prescriptions for diseased conditions of these organs."
(Finley Ellingwood: The American Materia Medica, Therapeutics and Pharmacognosy, 1915)