93 PRESCRIPTION WRITING 



Quininee sulphatis Sv. 3 i 



Acidi sulphuricl diluti q. s. 



Spiritus aetheris nltrosi ad Oi. 



Misce. 



(Furnish Si- bottle for measure.). 

 Signa. Small bottleful three times daily in half a pint of water. 



John Smith, D. V. M. 



Abbreviated : 



Quin. sulph 3v. S i. 



Acid, sulph. dil. q. s. 



Spts. aeth. nitros. ad Oi. 



M. 



S. (as above). 



We will write a prescription for a mixture containing 12 doses of 

 chloral and potassium bromide for a dog. The quantity of the mixture 

 given to each dose will be a teaspoonful. Now, there are six teaspoonfuls 

 in one ounce. We will order a 2-ounce bottle, which will, therefore, hold 

 12 doses of a teaspoonful each. The dose of chloral is gr.v 5X12 = 

 gr.lx, or 5i. The dose of potassium bromide is gr.x. 10X12 = gr.cxx, or 

 3ii. Then we will order enough water to fill the bottle. The Latin for 

 chloral is chloral, genitive chloral-is, of chloral; Latin for potassium bro- 

 mide is potassium, genitive potassi-i, of potassium; bromidum, genitive 

 bromid-i, of bromide; Latin for water is aqua, genitive aqu-cB, of water. 



IJ 



Chloralis 3i. 



Potassii bromidi 3ii. 



Aquae ad Sii. 



M. 



Signa. One teaspoonful in a tablespoonful of water 

 every 3 hours. 



JoHX Smith, D. V. M. 



A drench is a mixture which is given the horse in one dose. We 

 will write a prescription for a horse, containing ether, chloroform and 

 laudanum, to be administered as a drench._^^The Latin for ether is cether, 

 genitive (Ether-is, of ether ; dose, '§i. The Latin for chloroform is chloro- 

 formum, genitive chloroform-i, of chloroform; dose, 3ii. The Latin for 

 laudanum is tinctura opiij tinctura, genitive tinctur-ae, of tincture ; opium, 

 genitive opi-i, of opium ; dose, ^ii. The prescription reads : 



, ^iEtheris gi. 



Chloroformi 3ii 



Tincturae opii 3u- 



Misce et fiat haustus. 



Translated: (Misce) mix, (et) and (fiat) let there be made (haus- 

 tus) a drench. 



(Abbreviated) M. et. f. haust. 



Sig. Give at once in one dose in pint of water. 



John Smith, D. V. M. 



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