Dosage: 4 Cc. or 1 fluidrachm.

Elixir Trium Bromidorum (Elix. Tri. Brom.), Elixir of Three Bromides, N.F.—Ammonium bromide, potassium bromide and sodium bromide (each 8%), with cudbear and compound elixir of almond. Absolute alcohol content about 4 per cent.

Uses: An irrational bromide mixture, as there is no good evidence that the bases influence the bromide action materially.

Dosage: 4 Cc. or 1 fluidrachm (N.F.).

*Ammonii Carbonas (Ammon. Carb.), Ammonium Carbonate, U.S.P.—A mixture of ammonium bicarbonate and ammonium carbamate, yielding about 31 per cent. of NH3.

White, hard, translucent masses, with a strong ammoniacal odor and a sharp, ammoniacal taste. Very soluble in water; alcohol dissolves the carbamate and leaves the bicarbonate.

Action and Uses: Alkaline and nauseant liquefying expectorant used in cough mixtures; also as reflex “diffusible” stimulant in smelling salts.

Dosage: 0.3 Gm. or 5 grains (U.S.P.) in solution.

Mistura Pectoralis Stokes (Mist. Pect. Stokes), Stokes’ Expectorant, N.F.—Ammonium carbonate (1.75%), fluidextracts of senega and squill (each 3.5%), camphorated tincture of opium (17.5%), water and syrup of tolu. Absolute alcohol content about 10 per cent.

Uses: Irrational expectorant mixture.