The official quinine salts are more numerous than is necessary. Those that are starred would meet every indication.

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.).

Oleatum Quininae (Oleat. Quin.), Oleate of Quinine, N.F.—Quinine (25%) in oleic acid.

*Quininae Bisulphas (Quin. Bisulph.), Quinine Bisulphate, U.S.P.—Quinine acid sulphate.

Transparent or whitish, odorless, very bitter crystals. Freely soluble in water (1:9) and soluble in alcohol (1:23).

Action and Uses: Similar to, and without advantage over, Quininae Dihydrochloridum.

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.).

Tinctura Antiperiodica (Tr. Antiperiod.), Antiperiodic Tincture, N.F. (Warburg’s Tincture).—Quinine bisulphate (2%), extract of aloes (1.75%), rhubarb (0.8%), angelica fruit, elecampane, saffron, fennel, gentian, zedoary, cubeb, myrrh, camphor, agaric, pepper, Saigon cinnamon and Jamaica ginger in alcohol and water. Absolute alcohol content about 55 per cent.

Uses: Antiquated, complex and irrational quinine mixture.

Dosage: From 4 to 15 Cc. or 1 to 4 fluidrachms (N.F.).