Ureol

Hexamethylene - tetra-mine in combination with lithium and sodium benzoates, used as a diuretic and urinary antiseptic. Dose: A teaspoonful.

Urethane (Ethyl Carbamide) is a white, crystalline solid, soluble in water and alcohol. Employed as a hypnotic in doses of 15 to 30 grains.

Uritone

A trade - name for hexamethylene-tetramine.

Urocitral

Theobromine - so -dium citrate, analogous to diuretin, used as a diuretic. Dose:8 to 15 grains.

Urol

Urea quinate, a uric-acid solvent. Dose:3 to 8 grains.

Uropherin

There are two varieties of this- β.uropherin, which is theobromine and lithium benzoate, dose 5 to 15 grains as a diuretic; S-uropherin, which is theobromine and lithium salicylate, dose and use as β-urophoren. Note that urophoren is the name of a peculiar bougie used in gonorrhoea.

Urosin

The name applied to a compound tablet, containing quinic acid 0.5 gramme, lithium citrate O.15 gramme, and sugar 0.3 gramme, for uric-acid diathesis.

Urotropine

The protected name under which hexamine, B.P., was first introduced as a urinary antiseptic. New Urotropine is urotropine methylene citrate.

Valerophen

Phenolphthalein menthyl-valerianate, a laxative powder in doses similar to phenolphthalein.

Validol

A thick, colourless liquid, consisting of menthol valerianic ester, with 30 per cent. of free menthol. Dose:10 to 20 drops on sugar as an antispasmodic in hysteria, nervous affections, and dyspepsia. Also in sea-sickness.

Valisan

Bromisovalerianyl-borneol, an oily substance, soluble in organic solvents but not in water (Br = 25 per cent.). Sedative Dose: 4 grains.

Valyl is valerianic diethylamide, an oily liquid, resembling valerian in medicinal properties. Dose:2 grains, in capsule.

Vaso-constrictin. - A suprarenal-gland preparation.

Vasogen, or oxygenated petrolatum, is a vehicle for the application of medicinal agents to the skin. Various medicated vasogens, some liquid, some solid, are supplied - e.g., creosote, ichthyol, iodine, menthol, and mercury-each with a suitable percentage of the medicament. The plain base is a solid.

Vasotonin

A combination of yohimbine and urethane (1 c.c. = 0.01 gramme of yohimbine). Supplied in ampoules for hypodermic injection in the treatment of arteriosclerosis.

Velledol

The trade-name for the active principle of the mistletoe (viscine), used in the treatment of menstrual disturbances and in arteriosclerosis. Dose:3/4 grain per os, hypodermically 1/64 grain.

Veratrol [pyrocatechindimethyl ester, C6H4.(OCH3)2] is obtainable in crystals, soluble in alcohol, ether, and oils. Used as a paint with an equal part of tincture of iodine in intercostal neuralgia, and internally in tuberculosis. Dose:2 drops, in capsule.

Veronal is the trade-name of diethyl-malonyl-urea - i.e., barbi-tone, B.P.

Vesalvine S

Hexamethylene-tetramine salicylate. Dose and uses like hexamine.

Vestosol

A formaldehyde ointment, containing zinc oxide and boric acid.

Vioform, or Nioform, is iodo-chloro-oxychinoline, a yellow, odourless powder, used in the same way as iodoform or as an ointment (1 in 40).

Xaxa

A trade-name for acetyl-salicylic acid.

Xeroform, or tribromophenol bismuth, is a yellowish-green powder, containing 50 per cent. of tribromophenol. It is an antiseptic, and as such is used as a substitute for iodoform. Also internally in 3 to 8 grain doses.

Yohimbine Hydrochloride is the salt of an alkaloid from the bark of Corynanthe Yohimbe, Schuhm. A powerful aphrodisiac. Soluble in hot water. Dispensed in aqueous solution 2 grains to the ounce. Dose: 20 drops.

Zymin

A powder prepared by treating yeast with acetone. Used as a dusting-powder for wounds, and internally in 15-grain doses thrice daily. Zymine is a trade-marked name for a digestive preparation, and should not be confounded with this.