MATERIA MEDICA AND THERAPEUTICS. IO9 



with serum or synovia according to the extent of the injury — 

 open freely and inject the following once or twice and repeat in 

 5 or 6 days if necessary. 



R- Iod. Resub. grs. xx. 



Potas Iod. grs. xl. 



Aq. Dest. 3 j. 



M. ft. Sol. Sig. — Inject once or twice as directed. 



Keep the parts firmly bandaged and do not let the fluid ac- 

 cumulate.) After adhesions have taken place apply one of the 

 ointments described under mercury. 



For Quittors ; many of them will quickly get well under the 

 judicious use of Tincture of Iodine. 



Inject once or twice daily for 3 to 5 days, then inject Hydro- 

 gen Pel oxide for 3 or 4 days, and await results, do nothing but 

 keep the part clean, maybe after a week or ten days a single in- 

 jection at a point or two may be necessary. — Don't do too much. 



iodoform. — Is used externally for sores and ulcers, but 

 has a very disagreeable odor. Iodoform J4 to 1 dr. dissolved in 

 olive oil Yi oz. may be injected into abscesses, boils, etc. 



iodol. — Is a good substitute for iodoform and is free from 

 odor. 



Note. — Iodine and the Iodides should always be administered 

 on an empty stomach, as the starch of the food interferes with 

 their action. 



For internal use, aqueous solutions are best. 



HYDRARGYRUM, MERCURY, QUICKSILVER. 



Pure mercury or quicksilver is not used in veterinary prac- 

 tice. 



UNGUBNTUM HYDRARGYRI.—Blue ointment, mer- 

 curial oinment, contains 50 per cent of mercury; 25% lard; 23% 

 suet; 2% oleate of mercury. 



Actions and Uses. — Applied with friction, irritates the skin, 

 and is readily absorbed, maty even vesicate ; in small animals may 

 cause constitutional symptoms. Used in psoriasis and other per- 

 sistent scaly skin diseases, but use mildly; also to stimulate in- 

 dolent ulcers. Used to kill mange and similar parasites; as ring- 

 worms, but is dangerous over large surfaces; it is used as an 



