OZENA. 245 



The opening made by the trephine should be an inch in dia- 

 meter. Sometimes, however, success is best attained by forcing 

 the fluid up the nostril from the natural opening at the 

 bottom. 



The Syringe used for the purpose should not hold less than 

 half a pint of liquid ; and it should also be provided with a 

 pipe sis or eight inches long, made of india-rubber, or of a 

 strong, soft, and flexible material of another kind. This should 

 be passed up the nostril with the greatest care ; otherwise the 

 turbinated structures and their investing mucous membrane 

 may be torn or otherwise injured to an extent not easily 

 remedied. 



Amongst the best fluids to inject are — Cold "Water, Tinc- 

 ture of Iodine, Tincture of Myrrh and Aloes, and Chloride of 

 Zinc. 



Cold Water. — The free injection of Cold Water will occa- 

 sionally prove of signal benefit. Its action in such cases, should 

 always be tried before fluids of any other kind are used. 



Tincture of Iodine frequently proves of great benefit. If 

 resorted to, use it in the proportion of 6 drachms of the Tinc- 

 ture to a pint of "Water. 



Chloride of Zmc. — TTse this remedy in the proportion of 

 1 drachm of the Salt to 12 or 14 ounces of "Water. 



Timctwe of Myrrh and Aloes. — Use this remedy in the 

 proportion of 1 ounce of the Tincture to 3 or 4 ounces of Water. 

 Its efieets, when injected up the nostril, is not only that of a 

 stimulant upon the mucous membrane, but the Myrrh and the 

 Aloes form a sheath upon the parts diseased, which greatly 

 favours recovery. 



Diet. — The Diet of the patient ought to be generous. 

 Beans, Oats, Malt, Bran, and good Hay should form the daily 



