Linimentum Sinapis Compositum (U. S. P.)—Compound Liniment of Mustard.

Related entry: Sinapis Nigra (U. S. P.)—Black Mustard

Preparation.—"Volatile oil of mustard, thirty cubic centimeters (30 Cc.) [1 fl℥, 7♏]; fluid extract of mezereum, two hundred cubic centimeters (200 Cc.) [6 fl℥, 366♏]; camphor, sixty grammes (60 Gm.) [2 ozs. av., 51 grs.]; castor oil, one hundred and fifty cubic centimeters (150 Cc.) [5 fl℥, 35♏]; alcohol, a sufficient quantity to made one thousand cubic centimeters (1000 Cc.) [33 fl℥, 391♏]. Dissolve the camphor in five hundred cubic centimeters (500 Cc.) [16 fl℥, 435♏] of alcohol, and add the fluid extract of mezereum; then add the oil of mustard and the castor oil, and finally, enough alcohol to make the product measure one thousand cubic centimeters (1000 Cc.) [33 fl℥, 391♏]. Mix thoroughly"—(U. S. P.).

Action and Medical Uses.—This is powerfully counter-irritant, and may be employed as a revulsive. Care should be exercised in its use, however, as the sores produced by both mustard and mezereum are sometimes productive of great harm, and are difficult to heal.

King's American Dispensatory, 1898, was written by Harvey Wickes Felter, M.D., and John Uri Lloyd, Phr. M., Ph. D.