Tribromo-Beta-Naphthol

A brownish crystalline mass, tasteless and odourless, readily soluble in alcohol, acetone, benzol, and oils. Recommended as an antiseptic, and used as a dusting-powder or as an ointment.

Tribromophenol (or bromol) is used as an antiseptic. It is a solid, in very soft, white crystals, scarcely soluble in "water, but soluble in alcohol. Dose:1 to 2 grains.

Trichlorophenol

A white, crystalline substance, with antiseptic properties; soluble in alcohol, ether, glycerin, and fixed oils. Used as an ointment, 1 in 10.

Triferrin is substantially iron paranucleinate, a reddish-brown powder for anaemia. Dose:5 grains.

Trigemin

A crystalline compound obtained by interaction of butyl-chloral hydrate and pyrami-don. Has an aromatic odour and a sweet taste, and is insoluble in water. An analgesic in migraine and neuralgia, and antipyretic in influenza. Dose:5 to 15 grains.

Trimethylamine (propylamine). A colourless liquid with an odour and taste like herring-brine. Used in rheumatism and gout. Dose: 5 minims.

Trional is a hypnotic chemically identical with methyl sulphonal, B.P.

Triphenin, or propionylpheneti-din, is a phenacetin-substitute in white crystals. Dose; As an antipyretic, 5 to 10 grains; as an analgesic in neuralgia, 15 grains.

Tropacocaine Hydrochloride. In colourless needles. A 3 to 5 per cent. solution (normal saline) is used as a local anaesthetic.

Tryparosan

A halogen derivative of para-fuchsine, proposed by Ehrlich for use in sleeping-sickness as an adjuvant to arseno-phenyl-glycin.

Trypsin

The pure ferment from the pancreas. Is employed in the treatment of pancreatic dyspepsia, diabetes, etc.

Tussol

The trade-name for antipyrin amygdalate. Dose (for children):1 grain daily for each year up to 15-i.e., a third of that for each dose.

Tylcalsin, tyllithin, and tylnatrin are trade-mark names for calcium, lithium, and sodium acetyl-salicylates. Dose of each:5 to 15 grains.

Tylmarin

Acetyl-coumaric acid. Colourless crystals, used in treatment of phthisis. Dose: 5 to 10 grains.

Tyramine

The trade-name of para-hydroxyphenylethylamine- an important active principle of aqueous extracts of ergot. Hypodermic dose:1/25 grain.

Ulexine

A crystalline alkaloid obtained from Ulex europaeus. Used as a diuretic. Dose: to 1/15 grain-Uranium Nitrate. - Pale yellow crystals, soluble in water. Employed in diabetes. Dose:1 to 2 grains. Externally as a haemostatic and in gonorrhoea, 2 grains to the ounce.

Urea, Or Carbamide

Synthetic urea is used as a diuretic. Occurs in crystals soluble in their own weight of water. Dose:10 to 60 grains.

Ureabromin

Calcium bromide and urea [CaBr2.4CO(NH2)2 = Br 36 per cent.], in colourless and odourless crystals, slightly hygroscopic, and soluble in water and in alcohol.