t 419 1 



ear, blifters behind the ears frequently bring, after 

 other evacuations have been ufed, great relief; 

 which is likewife the cafe in violent pains in the 

 cheek and face. 



The ftrangury fometimes follows the application 

 of a blifter. This however, though troublefome, is 

 feldom of any ferious confideration, as it is moftly 

 relieved by drinking plentifully of any mild warm 

 diluting liquor, as milk and water, infufion of lin- 

 feed, folution of gum arabic in an infufion of the 

 root of marfh-mallows, and fuch like. It is thought 

 to conduce to the prevention of the flrangury, in 

 thofe fubjecl; to it, to cover the bliftering plaifter, 

 as far as the flies extend, with a piece of gauze or 

 muflin, and to fpread the margin with the gum 

 plaifter, to fecure its adhefion. By this manage- 

 ment, the whole of the flies are taken off when the 

 blifter is drefied, which contributes to prevent the 

 abforption of their acrimonious particles, which are 

 thought to be taken into the circulation by being 

 fuffered to remain on the raw part. This precau- 

 tion is of fervice, but not always quite effectual, and 

 fhould not be ufed when a quick operation is re- 

 quired, as it abates the activity of the cantharides. 

 It is cuftomary with fome to fuffer the bliftering 

 plaifter to remain on the part twenty-four hours, 

 but I think the time fhould be meafured by the 



Vol. IV. E c effect 



