Epitome of the Pharmacopeia of the United States and the National Formulary Part 85

DOSAGE: 15 Gm. or 4 drachms (N.F.).

=Taraxac.u.m (Tarax.), Taraxac.u.m, U.S.P.= (Dandelion).--Rhizome and roots.

ACTION AND USES: Has been used as a bitter tonic (without advantage over gentian) and as a mild laxative in habitual constipation (inferior to drugs like cascara sagrada); has no specific action on the liver.

DOSAGE: 10 Gm. or 2-1/2 drachms (U.S.P.).

_Elixir Taraxaci Compositum (Elix. Tarax. Co.), Compound Elixir of Taraxac.u.m, N.F._--Fluidextract of taraxac.u.m (3.5%), fluidextract of wild cherry (2%), fluidextract of glycyrrhiza, tincture of sweet orange peel, tincture of cinnamon, compound tincture of cardamom and aromatic elixir.

Absolute alcohol content, about 28 per cent.

DOSAGE: 8 Cc. or 2 fluidrachms (N.F.).

_Extractum Taraxaci (Ext. Tarax.), Extract of Taraxac.u.m, U.S.P._--A pilular extract.

DOSAGE: 1 Gm. or 15 grains (U.S.P.).

_Fluidextractum Taraxaci (Fldext. Tarax.), Fluidextract of Taraxac.u.m, U.S.P._ (Fluidextract of Dandelion).--Taraxac.u.m (100%). Absolute alcohol content about 40 per cent.

DOSAGE: 10 Cc. or 2-1/2 fluidrachms (U.S.P.).

=Terebenum (Tereben.), Terebene, U.S.P.=--Obtained from oil of turpentine by the action of concentrated sulphuric acid.

A colorless, thin liquid, having a thyme-like odor and an aromatic taste. Only slightly soluble in water; soluble in alcohol (1:3).

ACTION AND USES: Expectorant resembling oil of turpentine, but more pleasant in odor.

DOSAGE: 0.25 Cc. or 4 minims (U.S.P.).

=*Terebinthina (Terebinth.), Turpentine, N.F.=--A solid oleoresin obtained from pine.

ACTION AND USES: Rubefacient; without advantage over turpentine oil.

=Terebinthina Laricis (Terebinth. Laric.), Venice Turpentine, N.F.= (Larch Turpentine).--A viscid oleoresin obtained from European larch.

ACTION AND USES: Similar to those of turpentine; now seldom used.

_Petroxolinum Terebinthinae Laricis (Petrox. Terebinth. Laric.), Venice Turpentine Petroxolin, N.F._ (Venice Turpentine Petrox).--Venice turpentine (20%) in liquid petroxolin.

=*Terpini Hydras (Terpin. Hyd.), Terpin Hydrate, U.S.P.=

Colorless, l.u.s.trous, nearly odorless crystals, having a slightly aromatic and somewhat bitter taste. Slightly soluble in water (1:200) and soluble in alcohol (1:13).

ACTION AND USES: Antiseptic, diaph.o.r.etic, diuretic; largely used as an expectorant in cases accompanied by free bronchial secretion.

DOSAGE: 0.25 Gm. or 4 grains (U.S.P.).

_Elixir Terpini Hydratis (Elix. Terpin. Hyd.), Elixir of Terpin Hydrate, N.F._--Terpin hydrate (1.75%), tincture of sweet orange peel, spirit of bitter almond, alcohol, glycerin, syrup and water. Absolute alcohol content about 42 per cent.

DOSAGE: 4 Cc. or 1 fluidrachm (N.F.).

_Elixir Terpini Hydratis et Codeinae, N.F._--See under =Codeina=.

_Elixir Terpini Hydratis et Diacetylmorphinae, N.F._--See under =Diacetylmorphina=.

=Terra Silicea Purificata (Ter. Sil. Purif.), Purified Siliceous Earth, U.S.P.= (Purified Kieselguhr, Purified Infusorial Earth).--Silica (SiO{2}).

Fine, bulky, white or nearly white, odorless, tasteless powder.

Insoluble in water, acids or dilute solutions of the alkalies.

ACTION AND USES: Used as a clarifying agent in pharmacy.

=*Theobrominae Sodio-Salicylas (Theobrom. Sodio-Sal.), Theobromine Sodio-Salicylate, U.S.P.= (Diuretin).--Sodium theobromine and sodium salicylate in approximately molecular proportions. Contains not less than 46.5 per cent. of theobromine.

White, odorless powder, having a sweetish, saline and somewhat alkaline taste. Freely soluble in water (1:1), slightly soluble in alcohol. Incompatible with acids and has the other incompatibilities of salicylates.

ACTION AND USES: A soluble salt of theobromine, having much the same action as caffeine, except that it does not affect the central nervous system to any extent. Mainly used as a diuretic.

DOSAGE: 1 Gm. or 15 grains (U.S.P.).

=*Theophyllina (Theophyll.), Theophylline, U.S.P.= (Dimethylxanthine, Theocin).--An isomer of theobromine.

White, odorless powder, having a bitter taste. Soluble in water (1:100) and in alcohol (1:80).

ACTION AND USES: Has a diuretic action similar to that of theobromine, more powerful, but said to be not so lasting.

DOSAGE: 0.25 Gm. or 4 grains (U.S.P.).

=Thuja (Thuja), Thuja, N.F.= (Arbor Vitae).--Young twigs.

ACTION AND USES: Somewhat irritant; no well-defined indications for its use, but has been recommended as a febrifuge, expectorant and anthelmintic, and as a stimulating remedy in tenesmus and dribbling of urine in the aged.

DOSAGE: 2 Gm. or 30 grains (N.F.).

_Fluidextractum Thujae (Fldext. Thuj.), Fluidextract of Thuja, N.F._--Thuja (100%). Absolute alcohol content about 80 per cent.

DOSAGE: 2 Cc. or 30 minims (N.F.).

=*Thymol (Thymol), Thymol, U.S.P.=--A phenol.