MATERIA MEDICA AND THERAPEUTICS. 2IO, 



TONIC ASTRINGENT AND RESIN-BEARING PURGATIVES. 



SENNA. 



ExTractum sennae feuidum — Fluid Extract of Senna. 



Dose. Dog, 1 to 4 drs. Powdered senna, same dose. 



'syrupus sennae — Syrup of Senna. — (Contains 15% senna.) 



Dose. — Dog, 1 dr. to 1 oz. More agreeable than the Fluid 

 Extract. 



Actions and Uses. — Has a very bitter and nauseous taste, 

 but is a serviceable and quick-acting purgative; does not cause 

 inflammation or superpurgation and is not followed by constipa- 

 tion. The fluid extract or powdered senna is so disagreeable that 

 dogs frequently vomit it up. 



It will, like most purgatives, cause catharsis in sucklings 

 when administered to their mothers. 



RHEUM— RH UBARB. 



The root is used. 



Dose. — Dogs, 10 grs. to 2 drs. of the powdered root. 



Small doses stomachic, large ones purgative. 



Extractum rhei fluidum — Fluid Extract of Rhubarb. 



Dose. — Dogs, 10 ms. to 2 drs. 



Extractum rhei — Extract of Rhubarb. 



Dose. — Dogs, 3 to 1 5 grs. 



tinctura rhei aromatica — Arom. Tr. of Rhubarb. — (20 

 per cent.) Contains rhubarb, cloves, cinnamon, nutmeg. 



Dose. — Lamb, y 2 to 2 drs. ; calves, 2 to 8 drs. ; dogs, y 2 to 3 

 drs. ; colt, 2 to 6 drs. ; sheep, 4 to 8 drs. 



syrupus rhei aromaticus. (Contains 15% of the aromatic 

 tincture.) 



Dose. — Dogs, 2 to 6 drs. 



puevis rhei compositus — Compound Powder of Rhubarb 



Synonym. — Gregory's powder. 



Rhubarb, 25 ; magnesia, 65 ; ginger, 10. 



Dose. — Foals and calves, y 2 to 1 ounce. Dogs, y 2 to 3 drs. 



There are a number of other official preparations, but none 

 possessing advantages over those here mentioned. 



Rhubarb is useful where, there is a lack of tone to the 



