The root of Chondodendron tomentosum, Ruiz et Pavon (and others...MM) (Nat. Ord. Menispermaceae). A vine of Brazil and Peru. Dose, 5 to 30 grains.
Common Names: Pareira-brava, Pareira Root.
Principal Constituents.—Tannin, and a white and a yellow alkaloid, the latter similar to berberine. The white alkaloid pelosine, found in undetermined species and in false pareira-brava, is identical with berberine and buxine.
Preparation.—Specific Medicine Pareira. Dose, 1 to 30 drops.
Specific Indications.—Irritation of the urinary tract, with abdominal tenderness; frequent desire to urinate with pain in urethra and glans upon urinating; chronic cystitis and pyelitis.
Action and Therapy.—Pareira is mostly employed as a tonic diuretic, in chronic inflammation of the bladder, and of the kidneys with excretion of pus. The indications, as given above, should be observed in its use. It is not often employed.