144 VBTERINAET MATERIA MEDICA. 



Thekapeutics. — Cardiac excitement — the potas- 

 sium bromide with digitalis. In epilepsy and chorea 

 of dogs; in acute rheumatism — the NH^Br as an al- 

 kali ; in muscular rheumatism — the LiBr. The bro- 

 mides are given to relieve spasms of various kinds, 

 to produce rest, quietude, and sleep — as in tetanus, 

 colic, cerebral and spinal congestion, etc. In dia- 

 betes mellitus— the NH,Br with As.O,. The HBr 

 acid is given in irritable cough, etc., and in all cases 

 in which the bromides are indicated, except epilepsy. 



MOTOR DEPRESSANTS. 



Gelsemium — Yellow Jasmine. 



The rhizome and rootlets of Gelsemium sempervi- 

 rens, a climbing plant indigenous in the Southern 

 United States, of the natural order Loganiaceae, and 

 containing an alkaloid known as gelsemine, in com- 

 bination with gelsemic acid; also a resinous sub- 

 stance and a volatile oil.' 



Preparations.— Tmciiira Gelsemii, tincture of 

 yellow jasmine. Dose: H., fl. 3ij.-viij.; D., lUx.- 

 fl.3 i. 



Extractum Gelsemii Fluidum, fluid extract of 

 yellow jasmine. Dose: H., fl. 3 ss.-ij. ; D., v\, ij.-xx. 



Oelsemina, gelsemine. Dose: H., gr. :|-J; D., 



This alkaloid is soluble in alcohol, ether, and chlo- 

 roform, while its salts — the sulphate, nitrate, hydro- 



Digitized by Microsoft® 



