=TINCTURAE MEDICAMENTORUM RECENTIUM, TINCTURES OF FRESH DRUGS, N.F.= (Tincturae Herbarum Recentium, U.S.P. VIII).--When not otherwise directed, tinctures of fresh drugs are to be prepared by extracting 50 Gm. of the fresh drug with alcohol to make 100 Cc. =TOXITABELLAE, POISON TABLETS.=--Tablets containing poisons. =*Tragacantha (Trag.), Tragacanth, U.S.P.= (Gum Tragacanth).--Mixed with 50 parts of distilled water, forms a smooth, nearly uniform, stiff, opalescent mucilage. ACTION AND USES: Demulcent and ingredient in emulsions. _Glyceritum Tragacanthae (Glycer. Trag.), Glycerite of Tragacanth, N.F._--Tragacanth (about 10%) in glycerin and water. _Mucilago Tragacanthae (Mucil. Trag.), Mucilage of Tragacanth, U.S.P._--Tragacanth (6%) in glycerin (18%) and water. =Trifolium (Trifol.), Trifolium, N.F.= (Red Clover Blossoms). ACTION AND USES: Inert. Has been used in antisyphilitic and alterative compounds; also as an expectorant. DOSAGE: 4 Gm. or 1 drachm (N.F.). _Fluidextractum Trifolii (Fldext. Trifol.), Fluidextract of Trifolium, N.F._--Trifolium (100%). Absolute alcohol content about 40 per cent. DOSAGE: 4 Cc. or 1 fluidrachm (N.F.). =Trillium (Trill.), Trillium, N.F.= (Beth Root).--Rhizome. ACTION AND USES: Obsolete, formerly used as astringent and tonic. DOSAGE: 2 Gm. or 30 grains (N.F.). _Fluidextractum Trillii (Fldext. Trill.), Fluidextract of Trillium, N.F._--Trillium (100%). Absolute alcohol content about 60 per cent. DOSAGE: 2 Cc. or 30 minims (N.F.). =*Trinitrophenol (Trinitrophen.), Trinitrophenol, U.S.P.= (Picric Acid). Pale yellow, odorless crystals, having an intensely bitter taste, and exploding when heated rapidly and when subjected to percussion. Trinitrophenol stains the skin an intense, permanent yellow. Soluble in water (1:78), and in alcohol (1:12). ACTION AND USES: For the dressing of burns. Internally is highly toxic, producing nausea, vomiting and diarrhea, and stains the skin and mucous membranes a yellow color, simulating jaundice. DOSAGE: Externally as saturated watery solution or as ointment. =Triticum (Tritic.), Triticum, U.S.P.= (Couch Grass, Dog Grass).--Rhizome and roots. ACTION AND USES: Formerly exploited as a diuretic in cystitis and irritable bladder. Now seldom employed. DOSAGE: 8 Gm. or 2 drachms (U.S.P.). _Fluidextractum Tritici (Fldext. Tritic.), Fluidextract of Triticum, U.S.P._ (Fluidextract of Couch Grass).--Triticum (100%). Absolute alcohol content about 15 per cent. DOSAGE: 10 Cc. or 2-1/2 fluidrachms (U.S.P.). =TRITURATIONES, TRITURATIONS.=--Mixtures containing active drugs in powder form; prepared by mixing the substance (10%) with powdered sugar of milk. For the official trituration see Trituratio Elaterini, U.S.P., under =Elaterinum=.