In the Ebers papyrus, 1550 B.C., mention is made of blisters, ointments, clysters, mineral and vegetable drugs.
24) are of economic importance, as they contain a vesicant substance used for raising medicinal blisters on the human skin.
'Husbands' sisters bring up blisters,' but this one wouldn't hurt a fly.
In Devonshire and in parts of Kent the farmers entertain a marked prejudice against white pigs, because "the sun blisters their skin."
Blisters also cause local dilatation of vessels, but are usually applied to the skin for inflammation in deep-seated parts, such as the lungs, though they also relieve pain in the joints in acute rheumatism.