Tinctura Physostigmatis (U. S. P.)—Tincture of Physostigma.

Related entry: Physostigma (U. S. P.)—Physostigma

Preparation.—"Physostigma, in No. 40 powder, one hundred and fifty grammes (150 Gm.) [5 ozs. av., 127 grs.]; alcohol, a sufficient quantity to make one thousand cubic centimeters (1000 Cc.) [33 fl℥, 391♏︎]. Moisten the powder with one hundred cubic centimeters (100 Cc.) [3 fl℥, 183♏︎] of alcohol, and macerate for 24 hours; then pack it firmly in a cylindrical percolator, and gradually pour alcohol upon it, until one thousand cubic centimeters (1000 Cc.) [33 fl℥, 391♏︎] of tincture are obtained"—(U. S. P.).

Action, Medical Uses, and Dosage.—(See Physostigma.) Dose, from 1 to 40 minims, beginning with the smaller doses.

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