Urotropin,—see Formin.
Uva Ursi—U.S.P.
Bearberry.—Tonic, Diuretic, Antilithic.—Dose: 1—2 drams.—Preparations: Ext. (D., 5—15 grn.); F.E. (1:1).
Valerian-U.S.P.
Dose: 10—30 grn.—Preparations: F.E. (1:1): Tr. (1:5); Ammon. Tr. (1:5 arom. spt ammonia).
Validol.
Menthol Valerianate.—Colorl., syrupy liq.; mild, pleasant odor; cooling, faintly bitter taste.—Nerve Sedative, Carminative.—Uses: Hysteria, epilepsy; flatulence, dyspepsia, etc.—Dose: 10—20 drops, on sugar.
Vasogen.
Oxygenated Petrolatum.—Faintly alkaline, yellowish-brown, syrupy mass, yielding emulsions with water and rendering such active medicaments as creolin, creosote, ichthyol, iodine, pyoktanin, etc., readily absorbable through the skin. Used combined with these, externally as well as internally. Iodine Vasogen (80 grn. daily) recommended by inunction in syphilis and glandular swellings, and internally in arterial sclerosis (4—6 grn. twice daily). Iodoform Vasogen used in tuberculous processes.
Veratrine Merck.—U.S.P.