BLISTERS OR VESICANTS 645 



BLISTERS OR VESICANTS 



Blisters are applications which inflame the skin, and produce a secre- 

 tion of serum between the cutis and cuticle, by which the latter is raised in 

 the form of small bladders ; but in consequence of the presence of the hair, 

 these are imperfectly seen in the horse. They consist of two kinds — 

 one, used for the sake of counter-irritation, by which the original disease is 

 lessened, in consequence of the establishment of this irritation at a short 

 distance from it ; the other, commonly called " sweating " in veterinary 

 surgery, by which a discharge is obtained from the vessels of the part itself, 

 which are in that way relieved and unloaded : there is also a subsequent 

 process of absorption in consequence of the peculiar stimulus applied. 



37. Mild Blister Ointment (Counter-Ireitant) — 



Vaseline 4 ounces. 



Venice Turpentine 1 ounce. 



Powdered Cantliarides 6 drachms. 



Mix, and spread. 



38. Stronger Blister Ointment (Counter-Irritant) — 



Spirit of Turpentine 1 ounce. 



Sulphuric Acid, hy measure 2 drachms. 



Mix carefully in an open place, and add — 



Hog's lard ". 4 ounces 



Powdered Cantharides 1 ounce. 



Mix, and spread. 



39. Very Strong Blister (Counter-Irritant) — 



Strong Mercurial Ointment 4 ounces. 



Oil of Origanum ^ ounce. 



Finely-powdered Euphorbium 3 drachms. 



Powdered Cantharides ^ ounce. 



Mix, and spread. 



40. Raiidly acting Blister (Counter-Irritant) — 



Best Flour of jMustard 8 ounces. 



Made into a paste with water. 



Add Oil of Turpentine 2 ounces. 



Strong Liquor of Ammonia 1 ounce. 



This is to be well rubbed into the chest, belly, or back, in cases of acute 

 inflammation. 



41. Biniodide of Mercury 1 part. 



Lard or Vaseline 8 to 16 parts. 



The last-named agent has almost superseded all the others, especially 

 when applied as a remedy for bony growths, as splint, sidebone, ringbone, 

 and spavin. The strength or proportion to be used is a matter of judgment, 

 depending upon a variety of circumstances, as breed, thickness of skin, 

 degree of ossification, and recent or chronic nature of the malady. 



42. Liquid Sweating Blisters — 



Cantharides 1 ounce. 



Sjiirit of Turpentine 2 ounces. 



Methylated Spirit of AVine 1 pint. 



Mix, and digest for a fortnight. Then strain. 



43. Powdered Cantharides 1 ounce. 



Commercial Pyroligncous Acid 1 pint. 



Mix, and digest for a fortnight. Then strain. 



