Dose

, from ten to twenty grains of the

powder

; of the

tincture

, from ten minims to one drachm.

To-day, his Beauteous Visage we Extol.

766. Epispastics and Rubefacients

These are remedies which are applied to blister and cause redness of the surface. They consist of cantharides, ammonia, Burgundy pitch, and mustard.