PRINCIPLES OF VETERINARY SURGERY 325 



aseptic, it is indispensable to render them so. Tepid anti- 

 septic baths, when practical, and carbolized powders, are 

 said to give good results. In the dog, if the pain is acute, 

 preparations of cocaine should be used in the dressings and 

 baths. 



When general symptoms are inevitable asthenia must 

 be combated. Revive the heart's action with caffein and 

 avoid chilling of the patient that is already showing signs 

 of hypothermia. If the theory of morbid absorption is ad- 

 mitted, it must be combated as far as possible, by promot- 

 ing the elimination of poisons and by the use of artificial se- 

 rums, which will free the blood of toxic products it con- 

 tains and augment the action of the heart and urinary func- 

 tion. 



Thierry insists on the good effects obtained from picric 

 acid in superficial burns. The solution he used has the fol- 

 lowing composition : 



Picric acid 12 grams 



Boiled water i litre 



In times past a whole series of formulas were recom- 

 mended, all of which contained fat substances as excipients. 

 Capitan recommended the following ointment : 



Vaseline 30 grams 



Salol 4 grams 



Cocaine hydrochlorate 25 centig 



Reclus has advantageously employed the following for- 

 mula : 



Vaseline 4° grams 



Boric acid 5 grams 



Antipyrin 5 grams 



Iodoform 0.5 to i gram 



These can be greatly varied. 



On a horse burned in different degrees by an explosion 

 of gas, Porteus made use of compresses soaked with a mix- 



