Emplastrum Menthol.—Menthol Plaster.
Related entry: Menthol (U. S. P.)—Menthol
Preparation.—Melt together resin, 7 ounces (av.), and yellow wax, 1 ounce (av.). Stir into the mixture, as it cools, menthol, 2 ounces (av.).
Action and Medical Uses.—This plaster is now official in the Br. Pharm. It is designed as a counter-irritant, and is used for local pains, neuralgic or rheumatic in character, and in migraine.