Part 49

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.

RHEUM--RHUBARB

The dried roots of Rheum, of which there are several species.

HABITAT.--China and Thibet.

PROPERTIES.--When powdered it is of a bright orange-yellow, odor characteristic; taste bitter, astringent; gritty when chewed.

DOSE.--As a stomachic--Horses and cattle, 1 to 2 ozs.; sheep, 1 dr.; dogs and cats, 5 to 10 gr.

As a mild purgative--Foals and calves, 1 to 2 dr.; dogs and cats, ¹⁄₂ to 2 dr.; poultry, 5 to 10 gr., in pill.

PREPARATIONS

FLUIDEXTRACTUM RHEI--FLUIDEXTRACT OF RHUBARB

Made by maceration and percolation with alcohol and water, and evaporated.

DOSE.--Same as that of rhubarb.

PULVIS RHEI COMPOSITUS--COMPOUND POWDER OF RHUBARB--GREGORY’S POWDER

Composed of rhubarb, 25 parts; magnesia, 65 parts; ginger, to make 100.

DOSE.--Foals and calves, ¹⁄₂ to 1 oz.; dogs, ¹⁄₂ to 3 dr.

TINCTURE RHEI AROMATICA--AROMATIC TINCTURE OF RHUBARB

Composed of rhubarb, cloves, cinnamon and nutmeg.

DOSE.--Calves, 2 dr. to 1 oz.; foals, 2 to 6 dr.; sheep, 4 dr. to 1 oz.; lambs, ¹⁄₂ to 2 dr.; dogs, ¹⁄₂ to 3 dr.

ACTION AND USES.--Rhubarb is a stomachic, tonic, astringent, mildly cathartic and cholagogue. Rhubarb is useful where there is a lack of tone to the bowels; used in diarrhoea in small doses, for its stimulating tonic action; as a laxative in large doses or may be combined with other laxatives, to prevent griping in milk-fed animals, or may be combined with bismuth, opium or sulphuric acid, to stop diarrhoea; as a laxative or purgative. The fluidextract or powdered root may be combined with calomel, jalap, etc.

SALICINUM--SALICIN

A neutral principle (glucoside) obtained from several species of the willow and poplar tree.

HABITAT.--Europe, but cultivated in North America.

DERIVATION.--Obtained from a decoction of willow bark. Salicin crystallizes on evaporation, after removal of tannin by agitation with lead oxide. It is purified by repeated solution and crystallization.

PROPERTIES.--A white, silky, shining crystalline needle, or colorless crystalline powder; odorless, and having a very bitter taste. Permanent in air. Soluble in 28 parts of water and 30 parts of alcohol.

DOSE.--Horses and cattle, 2 dr. to 1 oz.; sheep, 1 to 4 dr.; pigs, ¹⁄₂ to 1 dr.; dogs, 5 to 30 gr.