Hydrastina (Hydrastina), Hydrastine, U.S.P.—An alkaloid obtained from hydrastis or prepared synthetically.
White crystals or powder. Almost insoluble in water, soluble in alcohol (1:170).
Action and Uses: Used in the treatment of urethral and vesical catarrh and as a systemic hemostatic, especially in excessive menstruation. Its efficiency and the mechanism of its action are doubtful.
Dosage: 0.01 Gm. or 1/6 grain (U.S.P.).
Hydrastinae Hydrochloridum (Hydrastin. Hydrochl.), Hydrastine Hydrochloride, U.S.P. (Hydrastine Chloride).
White, odorless, bitter powder. Very soluble in water and in alcohol.
Action and Uses: Those of hydrastine.
Dosage: 0.01 Gm. or 1/6 grain (U.S.P.).
Liquor Hydrastinae Compositus (Liq. Hydrastin. Co.), Compound Solution of Hydrastine, N.F. (Colorless Hydrastine Solution).—Hydrastine hydrochloride (0.3%), aluminum chloride, calcium chloride, and magnesium chloride (each 0.3%), potassium chloride (0.1%) in glycerin and water.
Uses: Complex and irrational astringent.