Tinctura Arnicae Florum (U. S. P.)—Tincture of Arnica Flowers.
(Modern shorthand: 1:5 41 %)
SYNONYM: Tinctura arnicae (U. S. P., 1870), Tincture of leopard's bane.
Preparation.—"Arnica flowers, in No. 20 powder, two hundred grammes (200 Gm.) [7 ozs. av., 24 grs.]; diluted alcohol, a sufficient quantity to make one thousand cubic centimeters (1000 Cc.) [33 fl℥, 391♏]. Pack the powder firmly in a cylindrical percolator, and gradually pour diluted alcohol upon it, until one thousand cubic centimeters (1000 Cc.) [33 fl℥, 391♏] of tincture are obtained"—(U. S. P.). A yellow-brown preparation, striking opalescent with water.
Action, Medical Uses, and Dosage.—This tincture is principally used as a local application to sprains, bruises, wounds, etc., but it may also be used internally in all cases where arnica would be applicable. The dose is from 1 to 30 drops.