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Trochisci Glycyrrhizae et Opii (U. S. P.)—Troches of Glycyrrhiza and Opium.

Related entries: Opium (U. S. P.)—Opium - Glycyrrhiza (U. S. P.)—Glycyrrhiza

SYNONYM: Opium lozenge.

Preparation.—"Extract of glycyrrhiza, in fine powder, fifteen grammes (15 Gm.) [232 grs.]; powdered opium, one-half gramme (0.5 Gm.) [8 grs.]; acacia, in fine powder, twelve grammes (12 Gm.) [185 grs.]; sugar, in fine powder, twenty grammes (20 Gm.) [309 grs.]; oil of anise, two-tenths of a cubic centimeter (0.2 Cc.) [3♏]; water, a sufficient quantity to make 100 troches. Rub the powders together until they are thoroughly mixed; then add the oil of anise (equivalent to about 4 drops), and incorporate it with the mixture. Lastly, with water, form a mass, to be divided into 100 troches "—(U. S. P.). About 1/2 grain of opium is contained in each troche. A similar troche, bearing same title as the official preparation, was very popular under the name of Wistar's Cough Lozenge. (The official troche is also known by this common name.) Wistar's cough lozenges are prepared as follows: Take of powdered opium, 1 drachm; powdered liquorice, 3 ounces; powdered gum Arabic, 2 1/2 ounces; powdered white sugar, 2 ounces. Triturate these thoroughly together, with oil of anise 20 minims, and finally add a sufficient quantity of water to form a mass of the proper consistence. Divide into troches of 5 or 6 grains each. Ten lozenges contain 1 grain of opium.

Action and Medical Uses.—These lozenges are a soothing and lenitive preparation for catarrhs and tickling coughs, in cases where opium is not contraindicated.


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



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