Preparation.—Take of ammonium chloride, in powder, 1 1/2 drachms; hydrochlorate of morphine, 6 grains; gum Arabic, sugar, extract of liquorice, each, in powder, 7 drachms; oil of sassafras, 30 minims; oil of stillingia, 20 minims; tincture of balsam of tolu, 3 fluid drachms. Mix the powders thoroughly together, then add the oils and tincture, and with water form them into a mass, to be divided into 180 troches.
Action, Medical Uses, and Dosage.—These troches are very valuable in cough, irritation or tickling of the throat, laryngitis and bronchitis, in which affections they are unrivaled. Each troche contains 1/20 grain of morphine hydrochlorate (J. King). (See also Trochisci Ammonii Chloridi, U. S. P.)
King's American Dispensatory, 1898, was written by Harvey Wickes Felter, M.D., and John Uri Lloyd, Phr. M., Ph. D.