202 INORGANIC AGENTS 



indigestion, intestinal parasites, leucorrhoea, ozoena, albumi- 

 nuria, and in convalescence from acute diseases. Ferrous 

 sulphate is in itself an anthelmintic, but, to get its full 

 effect when used for this purpose in the treatment of round 

 ■worms in the horse (ascarides), it should be given twice 

 daily on the food for ten days, and then a pint of linseed oil 

 containing three ounces of oil of turpentine is to be admin- 

 istered to complete the cure. In convalescence, iron r«ay 

 well be preceded bj'- alcohol and bitters. Large doses of 

 iron sulphate are indiciLed in hssmorrhage from the bowels, 

 if unassociated with acute inflammation, as in purpura. In 

 the latter disease, sulphuric acid is a synergistic remedy. 



The saccharated ferrous carbonate may be given horses 

 if they will not voluntarily take the sulphate of iron on 

 their food. It is a useful, mild, non-astringent preparation 

 for dogs, and may be given in powder, or the mass may be 

 dispensed in pills. 



The iodide of iron is thought to be of benefit in man in 

 scrofulous conditions, but as these states do not commonly 

 occur in horses and dogs, the drug is chiefly of value, in the 

 form of the syrup, in rickets, and acts almost as a specific 

 in that form of polyuria afflicting horses during hot weather, 

 and also in mild cases of anasarca and dropsy. The syrup 

 should be pre'Jcribfid undiluted and water should be added 

 just before administering the preparation. If prescribed 

 with water, thp syrup will undergo decomposition if allowed 

 to stand for any length of time. The syrup must be a fresh 

 preparation, else free iodine is formed in it, which will 

 blacken the buccal mucous membrane. "When the action of 

 iodine and iron is desirable, it is often better to prescribe 

 them separately. 



The tinctiire of ferric chloride is a very powerful 

 preparation. It contains free hydrochloric acid. Alcohol 

 constitutes three-quarters of its bulk, and there are also 

 some traces of ether. It was formerly thought to be hydro- 

 chloric ether, arising from the action of the contained 

 muriatic acid on the alcohol of the preparation ; but Weir 



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