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The
uva-ursi, or common bearberry, was once considered a magical plant
whose powers included protection against ghosts. Its name refers
to bears fondness for the plant's red fruit; uva-ursi means "bear's
grape" in Latin. Because of its disinfectant capability, uva-ursi
is a potent remedy for infections of the urinary tract.
Plant Facts
: Uva-ursi, a grassland plant, is a dwarf's shrub that grows
12-16 inches high and has low, trailing stems. The leathery evergreen
leaves have a slightly bitter taste. Bright red, sour berries develop
from pink flowers.
Origin: Uva-ursi
grows in northern Europe, the alps, northern Asia and North America.
It can be found in light, dry pine and larch forests, in dwarf shrub
areas, in bogs and in the mountains among dwarf pines.
Parts used
: for medicinal purposes, only the leaves finely chopped or
coarsely ground are used.
Components
: The most medicinally significant ingredient in uva-ursi is
arbutin, which, when transformed by the body into hydroquinone,
acts as a strong disinfectant. The leaves also contain tannins,
bitters, flavoglycoside and triterpene.
Indications
: Largely because of hydroquinone's disinfectant property, uva-ursi
is very effective against acute inflammations of the ureters, bladder
and urethra. It may be even more effective if the urine can be kept
alkaline, so it helps to avoid acidic foods while taking uva-ursi.
When cystitis or other urinary tract infections must be treated
with antibiotics, uva-ursi is still valuable as a supplementary
therapy. However, uva-ursi should not be taken if there is also
kidney infection. Traditional medicine has treated vaginal infections
with douches made of infusions of uva-ursi leaves.
Take
care : Uva-ursi contains tannins, which generally improve resistance
to infections. However, too many can irritate the mucous lining
of the stomach and cause indigestion. Boiling the leaves increases
tannin's potency, so make a tea via cold infusion.
Methods of
Administration
Cold infusion
: Pour 3 cups of cold water over about 3 tsp. dried or fresh uva-ursi
leaves. Let the herbs stand for 12-24 hrs., stirring occasionally;
strain. Warm up (do not boil) and drink 2-3 lukewarm cups over the
course of the day. Don't exceed 3 cups per day. A harmless side-effect
is that your urine may become discolored.
Tincture
: Pour ½ cup of vodka (70 proof) over ¾ oz. of
uva-ursi leaves. Let it stand, tightly covered, for 4-6 weeks, shaking
it several times a day. Then strain out the residue. Use 3 drops
3 times a day.
Commercial
preparations : Various commercial remedies are available at
health food stores in the form of tablets and drops. Follow the
recommended dosage on the label
Caution:
use only products with standardized mixtures containing arbutin.
These products should not be used for more than 1 week, and never
exceed approved dosage without the advice of a physician. Do not
take if you are pregnant or have kidney diseases.
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