ADMINISTRATION OF MEDICINES. 13 



skin disease, loeal applications are of great service in allaying irritation 

 or pains. 



Subcutaneous injection. Medicines are sometimes injected beneath 

 the skin so that they may be absorbed and pass into the blood. This 

 method of administering medicine is becoming more extensively used, 

 and in various forms of disease proves of great service; but the practice 

 of it is limited to veterinarians, as it requires special instruments and 

 a special knowledge of the medicines and also of the modes of prepar- 

 ing them, to administer medicine in this way. 



