Thiarsol

A special make of colloidal arsenium trisulphide for trypanosomiasis.

Thilaven

A solution of linalyl acetate-thiozonide and alkali-thiozo-nate. Used for the preparation of sulphur-baths free from unpleasant odour.

Thimothein

A para-tuberculin precipitated by alcohol from cultures of Bacillus Timotheus. For the tuberculosis ophthalmo-reaction.

Thiocol is potassium-guaiacol sulphonate, one of the best forms for administering guaiacol, as it is a white powder freely soluble in water. Dose:6 grains, gradually increased to 60 grains per day. Thiocolin is a syrup of thiocol and bismuth loretinate.

Thiodin, Or Tiodine

A compound of ethyl iodide and thiosin-amine for use in lupus, tabes, and nervous diseases, acting as a diuretic and appetiser. Dose:1 1/2 grain in pill twice a day, or hypodermic-ally 15 minims of a 10-per-cent. solution.

Thioform is basic bismuth di-thiosalicylate. A substitute for iodoform; in brownish-yellow powder, odourless, and insoluble in water and alcohol. Dose:5 grains.

Thiol, a tarry product, introduced as a substitute for ichthyol. It is a dark-brown syrupy liquid, soluble in water. Also in powder. Aluminium, bismuth, iron, mercury, silver, and zinc compounds of it are also obtainable. Thiolan (sul-pholan) is a sulphur ointment with lanoline basis. Thiolin (1) a syrup of potassium sulpho-guaiacolate (6.5 per cent.), or (2) potassium and sodium salts of thiolinic acid, (i.e., sulphonated linseed oil).

Thiosinamine, or allyl-sulpho-urea, occurs in colourless prisms, soluble in water and alcohol, and has a faint garlic odour and bitter taste. Introduced by Hebra as a subcutaneous injection in lupus and tuberculosis, in doses of from 4 to 8 grains in dilute alcohol. See also Fibrolysin.

Thiozon

(1) A preparation of thiozonide of linalyl acetate and sodium sulphide, for the treatment of scabies. (2) A compound of sulphur analogous to ozone.

Thymol Carbonate (syn. thy-motal and thymol-urethane) occurs in tasteless and colourless crystals. A vermifuge. Dose:Adults, 30 grains; children, 5 to 15 grains daily, missing the fifth day, when a dose of laxative medicine should be taken.

Thyresol

Santalol - methyl-ester. A colourless fluid with cedar-wood odour and slightly aromatic taste. Soluble in alcohol, ether, chloroform, and oils. For venereal diseases. Dose: mviij. The tablets are made with magnesium carbonate.

Thyroglandin

A preparation representing all the active principles of the thyroid. A greyish powder, of which 81/2 grains is equal to one gland. Dose:4 grains.

Toluene, or toluol, one of the constituents of commercial benzene, is used in the pure state as Loeffler's solution-a topical application for diphtheria.

Tolysal, or tolypyrin salicylate- C12HI4N2O.C,H6O3 -is an amorphous, white powder, insoluble in water. Antirheumatic and analgesic. Dose:15 grains. (Tolypyrin is tolyldimethylpyra-zolon, and is given in the same doses.)