764 DISEASES AND THEIR TREATMENT. 



3 drams of biniodide of mercury. 

 1 dram of iodide of potass. 

 1^ drains of iodine in crystals, pulv. 

 1 ounce of blue ointment (mercurial). 

 1 ounce of lard. 



Mix, and apply to the seat of the spavin three days. When the parts 

 become sore, omit the treatment for the same length of time ; then apply 

 once in three days for two weeks, after which stop all treatment. 



Or either of the following blisters may be used, which are 

 among the very best: — 



1 ounce finely powdered cantharides. 



2 drams powdered euphorbium. 



1 ounce lard. 



2 ounces tar. 



Mix. This is a very strong blister, and is regarded as very good. 



Another favorite prescription is: — 



2 drams corrosive sublimate. 



1 ounce lard. 

 ^ ounce tar. 



2 drams cantharides. 



The following will also be found efficient: — 



Equal parts of biniodide of mercury and cantharides, and 

 three parts each of tar and lard. 



The blister should be thoroughly rubbed on with the hand 

 about ten minutes. Twenty-four hours afterward apply a little 

 vaseline or oil, and repeat night and morning until the action 

 subsides. This will prevent the skin from cracking as well as 

 lessen the pain. After which, wash with castile soap and warm 

 water. In no case should more than one leg be blistered at a 

 time, especially if the horse is thin skinned and sensitive, as it 

 produces serious disturbance and fever. A variety of prescriptions 

 for blisters will be found under the head of the best remedies 

 used, if it is desired to use blisters; also the most famous secret 

 quack cures will be found under that head ; but it is not advisable 

 to use them. 



