RHAMNUS PURSHIANA—CASCARA SAGRADA—CALIFORNIA BUCKTHORN—CHITTEM BARK
Reading edition
The bark of Rhamnus Persiana de Candolle (nat. ord. Rhamnaceae). Collected at least one year before being used.
Habitat.—United States from Northern Idaho west to the Pacific Ocean.
Properties.—Externally the bark is reddish-brown. Internally yellowish to light brownish, becoming dark with age. Odor distinct; taste bitter and slightly acrid.
Constituents.—Three resins; a neutral body; a volatile oil; malic and tannic acids.
Dose.—Dogs, 5 to 30 gr.; cats, 1 to 5 gr.
PREPARATIONS
FLUIDEXTRACTUM RHAMNI PURSHIANAE—FLUIDEXTRACT OF RHAMNUS PURSHIANA
Made by maceration and percolation with diluted alcohol, and evaporation.
Dose.—Dogs, 5 to 30 m.; cats, 1 to 5 m.
FLUIDEXTRACTUM RHAMNI PURSHIANA AROMATICUM—AROMATIC FLUIDEXTRACT OF CASCARA SAGRADA
Dose.—Dogs, 5 to 30 m.; cats, 1 to 5 m.
Action and Uses.—Used as a non-irritant tonic laxative or cathartic; small doses are stomachic; to overcome chronic constipation, give small repeated doses; very useful in canine practice. The aromatic fluidextract is the best preparation, and is occasionally given to dogs and cats with castor oil.