246 COMMON MEDICINES. 



short lecture furtlicr than that the person who is giving opium 

 to any domestic animal must not forget that it checks intestinal 

 secretion and peristaltic movements and in this way may cause 

 constipation at just the time when the reverse condition is desired. 



Morphine is an alkaloid of opium and shows all the essential 

 physiological properties of the crude drug. Cattle and sheep take 

 very large doses. Morphine and various preparations of opium 

 are frequently employed with advantage in spasmodic colic and 

 may be combined with stimulants and anodynes like ether, sweet 

 spirits nitre or chloral hydrate. It is usually advisable to give a 

 mild laxative soon after the opium operates. 



Dose. Horses. 



Crude opium 1-2 drs. 



Morphine sulphate.3-5 grs. 

 Tincture opium 



(Laudanum) 1-2 ozs. 1-3 ozs. 2- 6 drs. 2- 6 drs. 



The tincture should be diluted with water or syrup the same 

 as for alcohol. 



845 



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