252 INOEGANIC AGENTS 



foul of the foot in cattle, or in foot rot in horses, with equal 

 parts of alum or tannic acid. Combined with collodion 

 (1-15), it forms a useful dressing for sealing small wounds 

 or abrasions upon the hands. The anaesthetic action of 

 iodoform is taken advantage of to relieve pain in fissure of 

 the rectum, and hssmorrhoids. Zuill recommends the fol- 

 lowing combination by insufflation in the early stages of 

 inflammation of the frontal sinuses : 



Iodoform, Magnesia, Silver I^Titrate — equal parts. 



Three grains may be used in suppositories for the 

 smaller animals. Iodoform may cause healing in abscess — 

 injected into the cavity with glycerin or vaseline — (1-10),. 

 using 2-4 drachms of the mixture for smaller animals, or 1 

 ounce for the larger animals. Iodoform is very efficacious 

 in the treatment of local tuberculous lesious. Iodoform com- 

 bined with lard or oil (1-10), is an excellent agent for burns 

 which are not so extensive as to endanger the patient 

 through absorbtion and iodoform poisoning. 



loDOLUM. lodol. ■ CJ,NH. (U. S. P.) 



Synonym. — Tetraiodopyrr ol . 



Derivation. — Action of iodine on pyrrol in solution in 

 alcohol. Contains 88.9 per cent, of iodine. . 



Properties. — Crystalliue, shining, light, grayish-brown 

 powder. Tasteless and odorless. Practically insoluble in 

 water; soluble in 9 parts of alcohol, and in ether and fatty 

 oils. The surgical use of iodol has led to poisoniug through 

 absorption, but the latter is so slow that the danger is 

 exceedingly slight. Iodol is suitable for all purposes in 

 which iodoform is indicated. It is too expensive for general 

 use, but is preferable for application to dogs, on account of 

 its lack of odor. 



Akistolum. Aristol. CjoHj^OJj. (Non-official). 



Synonym. — Dithymol diiodide. 



Derivation. — Made by the action of thymol in a solution 



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