168 INORGANIC AGENTS 



application in chronic eczema, and to relieve itching. It contains the 

 yellow oxide of mercury. 



Hydrargyri chloridi corrosivi grx. 



Liquoris calcis 5xx. 



M. et ft. lotio flava. 

 S. Use externally. 



In purulent conjunctivitis, frequent irrigation with a 1-1000 solution 

 of corrosive sublimate is of the greatest service. 



Internal. — Corrosive sublimate is of value in minute doses as a blood 

 tonic, and is recommended as an antiphlogistic agent in inflammatory dis- 

 eases of serous membranes, as pleuritis, meningitis, and arthritis. It is 

 probably inferior to calomel for this purpose. We at least know that the 

 calomel is an efficient cathartic in inflammatory diseases. 



Corrosive sublimate is sometimes employed with success as a counter- 

 irritant and absorbent on exostoses, as follows : 



Hydrarg. chlorid. corros gr.xvi. 



lodi. 



Glycerin! aa 3iv. 



Alcoholis ad giv. 



M. 



S. Apply with brush every other day on splint or 

 spavin. 



Mercuric bichloride is employed as an intestinal antiseptic in the 

 treatment of dysentery and diarrhea with mucous or vile smelling dis- 

 charges. In these conditions, irrigation of the rectum with a 1-5000 

 solution is of advantage. This solution should be drained ofif through 

 the rectal tube and followed by an injection of plain boiled water. 



Admiiiistration. — Corrosive sublimate is given in the form of a pill 

 or ball. If exhibited in solution to the large animals, it must be diluted 

 with 2 quarts of water. 



Hydrargyri Chloridum Mite. 



External. — Calomel is of use in chronic eczema when applied over 

 small patches in its pure state, or as "black wash." The latter consists 

 of one dram of calomel in one pint of lime water, forming the black oxide 

 of mercury, and is a very efficient preparation to relieve itching and pro- 

 mote recovery in chronic eczema, by mild stimulation. Calomel is of 

 benefit when blown into the eye once or twice a week, stimulating and 

 hastening absorption of opacities of the cornea following keratitis. It 

 must not be so used when potassium iodide is being administered internally 

 as mercuric iodide may be formed, resulting in sloughing and destruction 

 of the eyeball. It is the best agent to arrest thrush when worked up into 

 the commisure of the hoof, between the frog and the bars, and retained 

 in place by oakum packing. 



Internal. — Calomel is a purgative, intestinal antiseptic, diuretic and 

 alterative. It is also used for its remote antiphlogistic effects. It is 

 particularly adapted to dogs, and is given in a single dose, or often, to 

 better advantage, in half-grain doses, repeated every two hours till purga- 



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