MATERIA MEDICA AND THERAPEUTICS. 91 



Externally. — It is a refrigerant and stimulant. 



Doses. — As a febrifuge and mild diuretic, horses, 2 to 4 drs. ; 

 dogs, 1 to 10 grs. As a strong diuretic, give a horse 1 oz. but 

 do not repeat oftener than twice in 24 hours. 5 grs. to 1 dr. is a 

 powerful diuretic for a dog. 



For acute laminitis 2 to 4 ozs. once or twice daily is given 

 by some veterinarians, this is used principally in the east. 



POTASSII CHLORAS.— Chlorate of Potash, Potassium 

 Chlorate. 



Character. — Colorless, monoclinic prisms, easily explodes on 

 trituration with sugar, sulphur, tannin, charcoal and glycerin. 

 It is soluble in 1 to 16 part's of cold water and 1 to 2 of boiling 

 water. 



Dose. — Horse, 1 to 2 drs. ; cattle, twice as much ; dogs, 1 to 

 10 grs. Larger doses are occasionally given but this salt is very 

 irritating to the stomach and kidneys. 



Physiological Actions. — Antiseptic, antacid, alterative, sial- 

 agogue, diuretic, febrifuge, and cardiac depressant ; irritant to 

 the gastro-intestinal tract and kidneys. Externally, antiseptic, 

 mild stimulant, and refrigerant. Is a protoplasmic poison, as is 

 the nitrate; disintegrates the red blood corpuscles. 



Medicinal Uses. — Laryngitis, pharyngitis, sore mouth from 

 any cause. As a gargle use ^ to 1 ounce to the pint of water. 

 Also used in febrile conditions, especially of a catarrhal nature. 

 Prescription for gargle : 



5 Tr. ferri chlor. 3 ss. — 3 vj. 



Pot. chloratis pulv., 3 i. 



Glycerini. % ii. 



Aquae qs. ad,, Oj. 



M. Sig. — 1 oz. every hour or two. 



§ j Tr. Capsicum added to the above . frequently augments 

 its value, especially in the early or congestive stage and when there 

 is a tendency to become chronic. ' 



POTASSII BICHROM AS — Potassium Bichromate— Bi- 

 chromate of Potash. 



Properties.^Occurs in large yellowish red transparent four 

 sided prisms or plates; odorless, permanent in the air; bitter, 

 metallic, disagreeable taste ; and acid reaction. 



