Extractum Hydrangeae Fluidum (N. F.)—Fluid Extract of Hydrangea.
Related entry: Hydrangea.—Hydrangea
Preparation.—Formulary number, 161: "From the root of Hydrangea arborescens, Linné (Seven barks). Process A (see F. 135). No. 60 powder. Menstruum: Alcohol, 3 volumes; water, 2 volumes"—(Nat. Form.).
Medical Uses and Dosage.—(See Hydrangea). Valuable in irritable conditions of the urethra and bladder, from the presence of stone or gravel, etc., and to change the character of lithic urine. The dose is from ½ to 1 fluid drachm.