148 SPRAINS. 



It will be proper to rub the part affected with 

 this mixture once or twice a day. After the 

 inflammation and swelling have disappeared, there 

 are frequently left behind very obstinate calluses, 

 which must be removed by blistering* the part with 

 one of the following blistering ointments. 



(RECIPE, No. 111.) 



Mild Astringent Blister. 



Take— Ointment of yellow resin, four ounces; 



Blistering flies, in fine powder, one ounce ; 

 Euphorbium, in fine powder, half an ounce ; 

 Sulphate of copper, in powder, two drachms ; 

 Strong mercurial ointment, one ounce : 

 Mix the powders with the ointments previously 

 melted, and stir until the mixture stiffens in 

 cooling. 



This is a powerful blister in its effects, but mild 

 in its operation, and is well calculated to remove 

 calluses ; but for more obstinate cases the following 

 may be preferable. 



(RECIPE, No. 112.) 

 Strong Mercurial Blister. 



Take — Tar, hog's lard, and bees' wax, of each three 

 ounces ; melt all togother ; 

 Then add corrosive sublimate, euphorbium, and 



