Extractum Jalapae Fluidum (N. F.)—Fluid Extract of Jalap.
Preparation.—Formulary number, 162: "From the tuberous root of Exogonium Purga, Bentham (Jalap). Process A (see F. 135). No. 60 powder. Menstruum: Alcohol"—(Nat. Form.).
Like the preparations of other resinous drugs this fluid extract precipitates copiously, when mixed with water, and such mixtures must be well shaken before administration.
Medical Uses and Dosage.—(See Jalapa). Dose, 10 to 60 minims.