IODINE 22*9 



a purple vapor. With starch, iodine forms an insoluble 

 blue compound. 



Dose.—lI. & C, 3ss.-i. (2.-4.); Sh. <fe Sw., gr.x.-xx- 

 (.6-1.3). 



Not often used in solid state. 



PREPARATIONS. 



Liquor lodi Compositus. Compound Solution of Iodine, 

 (Lugol's Solution.) (U. S. P.) 



Iodine, 5; potassium iodide, 10; water to make 100. (1-20). 

 Dose.— H. & C, 3ii-iv. (8.-15.) D., mii-x. (.12-.6). Should be 

 given in one quart of water to the larger animals. 



Tinctura lodi, (U.S. P.) 



Iodine, 70; alcohol to make 1,000. 



Dose.— H. & C, 3ii-iv. (8.-15.); D. mi.-v. (.06-.3). 



Tinctura lodi. (B. P.) 

 Dose. — Same as U. S. P. tincture. 



UnguentiLm lodi. 1-25. (U. S. P.) 

 Too weak for most veterinary purposes. 



Action External, — Iodine is an irritant upon the skin 

 and mucous membranes. The yellow stain produced by- 

 iodine may be removed by ammonia water, alkalies and 

 sodium hyposulphite. It is exceedingly doubtful whether 

 iodine is absorbed through the unbroken skin, but it is 

 thought to have a special resolvent and alterative action 

 over and above that of other counter irritants. Whether 

 this be true or not, its easy mode of application makes it a 

 very convenient irritant for local uses. 



Action Internal. — Iodine produces gastro-intestinal irri- 

 tation and inflammation in large doses; and in toxic quanti- 

 ties induces colic, vomiting — in animals capable of the act, 

 — purging and salivation. . The pulse becomes rapid and 

 weak; there is often suppression of urine, and occasionally 

 nephritis. Widespread fatty degeneration has been found 

 after fatal poisoning in the lower animals. If there is much 

 starchy ipaaterial in the bowels, the faecal discharges may 



