Tinctura Antiperiodica sine Aloe (Tr. Antiperiod. s. Aloe), Antiperiodic Tincture without Aloes, N.F. (Warburg’s Tincture without Aloes).—The same as the preceding (Tinctura Antiperiodica) with the omission of extract of aloes.
Uses and Dosage: See Tinctura Antiperiodica.
Quininae Dihydrochloridum (Quin. Dihydrochl.), Quinine Dihydrochloride, U.S.P.
White, odorless, very bitter powder. Very soluble in water (1:0.6), and soluble in alcohol (1:12).
Action and Uses: Used where concentrated solutions of quinine are wanted, as for subcutaneous injections, etc.
Dosage: Tonic, 0.1 Gm. or 1-1/2 grains (U.S.P.); antimalarial, at least 1 Gm. or 15 grains daily (U.S.P.).
*Quininae et Ureae Hydrochloridum (Quin. et Urea. Hydrochl.), Quinine and Urea Hydrochloride, U.S.P. (Quinine and Urea Chloride).—A double salt of quinine and urea.
Colorless, translucent crystals or white, granular powder, odorless and having a very bitter taste. Very soluble in water (1:0.9) and freely soluble in alcohol (1:2.4).
Action and Uses: Much less irritating than ordinary quinine salts and therefore suited for hypodermic injections, in malaria or as local anesthetic.
Dosage: Hypodermic, one dose daily, 1 Gm. or 15 grains (U.S.P.). For local anesthesia (hypodermic) solution of from 0.25 to 1 per cent.; (applied to mucous membranes), solutions of from 10 to 20 per cent.