Caries, proceeding from an internal Cause; nevertheless they are generally dissolv'd by Frictions with Unguentum Griseum, or by the application of Plaisters of Tobacco, or Emplastrum de Vigo quadruplicato Mercurio; taking also to the same purpose internal Diaphoretick and Sudorifick Medicines, with convenient Purgatives.
C H A P. V.
Of Cauteries, Vesicatories, Setons, Cupping-Glasses, and Leeches.
What is a Vesicatory?
The Name of Vesicatory may be attributed to every thing that is capable of raising Bladders or Blisters in the Skin; nevertheless in Surgery, by a Vesicatory is understood a Medicament prepar'd with Cantharides or Spanish Flies dried, which are beaten to Powder, and mingled with Turpentine, Plaisters, Leaven, and other Ingredients.
In what places, and after what manner are Vesicatories usually apply'd?
They are apply'd every where, accordingly as there is occasion to draw out or discharge some Humour from a Part: In Defluxions of Rheum upon the Eyes or Teeth, they are laid on the Neck and Temples; in Apoplexies, behind the Ears; and so of the rest, observing always to make Frictions on the places where the
Application is to be made, to the end that the Vesicatory may sooner take effect.
How long time must the Vesicatory continue on the Part?