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years.
Tetracycline Antibiotic Tab: 250, 500 mg 250-500 mg qid; enamel discoloration, photosensitivity;
(Achromycin, contraindicated in renal insufficiency or hepatic failure.
Sumycin)
Theophylline Bronchodilator Constant-T: 200, 300 200-300 mg bid
(Constant-T, Slo- mg
Bid, Slo-bid cap: 50, 100, 50-300 mg bid
200, 300 mg
Slophyllin, Slophyllin: 100, 200 mg 100-400 mg bid
Theo-Dur, Theo-Dur: 100, 200, 100-400 mg bid
300 mg
Theo-24) Theo-24: 100, 200, 100-400 mg qd; cimetidine, quinolones, macrolides increase
300, 400 mg theophylline level; nausea, vomiting, tachycardia, seizures.
Theophylline Bronchodilator Inj: 25, 250 mg/mL Load: 5.6 mg/kg total body weight IV over 60 min.
(Aminophylline) Maintenance: 0.5-0.6 mg/kg ideal body weight/per hour IV infusion.
Thiabendazole Anthelmintic Tab: 500 mg 22 mg/kg qd x 2 days
(Mintezol)
Thiamine (Vitamin B- Vitamin Tab: 50, 100, 250, 500 100 mg PO/IM/IV qd
1)
Thioridazine (Mellaril) Antipsychotic Tab: 10, 15, 25, 50, 25-100 mg bid-tid; max 800 mg/day; low extrapyramidal effects;
100, 150, 200 mg anticholinergic effects, sedation.
Thiothixene (Navane) Antipsychotic Cap: 1, 2, 5, 10, 20 mg 2-5 mg bid-tid, max 60 mg/day; drowsiness and extrapyramidal effects.
Inj: 2, 5 mg/mL 4 mg IM bid-qid, max 30 mg/day
Tiagabine (Gabitril) Anticonvulsant Tab: 2, 4, 12, 16, 20 4 mg qd then increase every 4-8 weeks to 32-56 mg/day in 2-4 divided
mg doses daily. Adjunct treatment in partial complex seizures.
Decreased cognitive function, depression.
Ticarcillin (Ticar) Antibiotic Inj: 1, 3, 6 gm 2-3 gm IV q4-6h (300 mg/kg/day); hypokalemia, platelet dysfunction.
Ticlopidine (Ticlid) Antiplatelet agent Tab: 250 mg 250 mg bid with meals; reversible neutropenia.
Drug Category Dosage Forms Dosage, Side Effects, Interactions, and Comments
Tiludronate (Skelid) Bone stabilizer Tab: 240 mg 2 tabs PO qd x 3 months. Take with 8 oz. plain water, remain upright
for 1 hour. Supplement calcium and vitamin D.
Timolol (Blocadren) Beta-blocker Tab: 5, 10, 20 mg 5-10 mg tid-qid; non-selective, fatigue.
Tinzaparin (Innohep) Anticoagulant Inj: 20,000 IU/ml DVT with or without uncomplicated PE: 175 IU/kg SC q24h.
LMW heparin Injection site skin necrosis, nodules, inflammation, and oozing
common.
Tioconazole Antifungal Vag oint: 6.5% [4.6 gm] 1 applicatorful intravaginally qhs
(Vagistat)
Tirofiban (Aggrastat) Antiplatelet Inj: 25, 50 mcg/mL 0.4 mcg/kg/min x 30 min, then 0.1 mcg/kg/min IV infusion. Reduce
dosage by 50% if creatinine clearance is
Tissue plasminogen Thrombolytic Vial: 20, 50, 100 mg Myocardial infarction: 15 mg IV push, then 0.75 mg/kg (up to 50 mg)
activator (Activase, IV over 30 min, then 0.5 mg/kg (up to 35 mg) IV over 60 min.
t-PA, Alteplase) Pulmonary embolism: 100 mg IV over 2 hours
Ischemic stroke: 0.9 mg/kg (max 90 mg); give 10% of dose IVP, then
remainder over 60 min. Give within 3 hours of stroke; exclude
hemorrhage first.
Tizanidine (Zanaflex) Muscle relaxant Tab: 4 mg 1-2 tabs q6-8h prn; max 36 mg/day. Orthostatic hypotension, sedation,
dry mouth
Tobramycin (Nebcin, Antibiotic Vial: 20, 80 mg/2 mL 2 mg/kg IV, then 1.5 mg/kg IV q8h; nephrotoxic, ototoxic; decrease in
renal insufficiency; monitor levels
Once daily dosing: 5 mg/kg IV q24h. Maintain peak level of 20-24
and trough
Tobrex, Ophth soln: 0.3% [5 1-2 drops into affected eye(s) q1-4h
mL]
Ophth oint: 0.3% [3.5 Apply ointment to affected eye(s) q3-8h
gm]
Tobi) Nebulizer soln: 300 Cystic fibrosis: 300 mg over 15 min bid via hand-held nebulizer x 28
mg/5mL days, then off x 28 days; repeat cycle.
Tocainide (Tonocard) Antiarrhythmic Tab: 400, 600 mg 400-600 mg q8-12h; confusion, GI upset.
Class IB
Tolcapone (Tasmar) Antiparkinson Tab: 100, 200 mg 100-200 mg tid; max 600 mg daily; somnolence, anorexia.
Hepatotoxic, monitor liver function q2 weeks x 1 year.
Tolmetin (Tolectin, NSAID Tab: 200, 600 mg Initial: 200 mg tid; may increase to 200-600 mg tid.
Tolectin-DS) Cap: 400 mg
Tolterodine (Detrol) Antispasmodic Tab: 1, 2 mg 1-2 mg bid; dyspepsia, dry mouth, blurred vision.
Topiramate Anticonvulsant Tab: 25, 100, 200 mg Initially 50 mg qd, then titrate to max 200 mg bid. Adjunctive treatment
(Topamax) of partial onset seizures. Speech difficulties, depression, weight
loss.
Torsemide Loop diuretic Tab: 5, 10, 20, 100 mg 5-20 mg PO/IV once daily; max 200 mg qd; good oral absorption,
(Demadex) Inj : 10 mg/mL (Furosemide 2 mg = Torsemide 1 mg.)
Tramadol (Ultram) Analgesic Tab: 50 mg 1-2 tabs q4-6h prn; max 400 mg/day. Non-narcotic; use in patients at
high risk of addiction. Risk of seizures.
Drug Category Dosage Forms Dosage, Side Effects, Interactions, and Comments
Trandolapril (Mavik) ACE-inhibitor Tab: 1, 2, 4 mg 2-4 mg qd. Black patients may require the higher dose.
Trazodone (Desyrel) Antidepressant Tab: 50, 100, 150, 300 150-400 mg in qd-bid; 1-2 weeks required for effect; anticholinergic;
mg priapism rare, orthostatic hypotension, sedation
Treprostinil Vasodilator Inj: 10 mg/mL Pulmonary arterial hypertension: 1.25 ng/kg/min continuos SC
(Remodulin) infusion. Headache, nausea, emesis, restlessness, anxiety.
Tretinoin (Retin A, Anti-acne Cream: 0.05, 0.1% [20, Apply to affected area(s) qhs; apply to dry skin after washing;
45 gm] photosensitivity may occur; teratogenic, mandatory contraception
Gel: 0.01, 0.025% [15,
45 gm]
Liq: 0.05% [28 mL]
Renova) Emollient cream: Apply qhs, 20 minutes after washing; modest improvement in fine
0.05% [40, 60 gm] wrinkling, hyperpigmentation, rough skin during the first 5-6 months.
Triamcinolone Corticosteroid Inhaler: [20 gm] 2-4 puffs bid
(Azmacort, Tab: 1, 2, 4, 8 mg Adrenal insufficiency: 4-12 mg qAM. Rheumatism: 8-32 mg qAM
Aristocort, Cream, oint: 0.025, 0.1, Apply to affected area(s) bid-qid
Kenalog, 0.5% [15, 80 gm]
Lotion: 0.025% [60
mL], 0.1% [15, 60
mL]
Nasacort, Nasal spray: 55 2 sprays in each nostril qd
mcg/spray [15 mg]
TriNasal) Spray: Triamcinolone 2-4 sprays in each nostril once daily.
50 mcg/spray
Triazolam (Halcion) Sedative Tab: 0.125, 0.25 mg 0.125-0.5 mg qhs prn insomnia; short acting
Trifluoperazine Antipsychotic Tab: 1, 2, 5, 10 mg 2-5 mg bid; anticholinergic effects.
(Stelazine) Inj: 2 mg/mL 1-2 mg IM q4-6h; max 10 mg/day; decrease dosage in elderly
Trifluridine (Viroptic) Antiviral Ophth soln: 1% [7.5 1 drop in affected eye(s) q3h x 7-21 days. Active against HSV 1 and 2.
mL]
Trihexyphenidyl Anticholinergic Tab: 2, 5 mg Extrapyramidal symptoms: 2-5 mg bid-tid; contraindicated in
(Artane) Cap SR: 5 mg glaucoma.
Trimethobenzamide Antiemetic Cap: 100, 250 mg 100-250 mg q6h prn.
(Tigan) Suppository: 100, 200 100-200 mg IM/PR q6h prn nausea
mg
Inj: 100 mg/mL
Trimethoprim Antibiotic Tab: 100, 200 mg Pneumocystis carinii pneumonia: 5 mg/kg tid x 21 days with dapsone
(Proloprim, 100 mg qd
Trimpex)
Trospium (Sanctura) Antispasmodic Tab: 20 mg 20 mg PO bid. 20 mg PO qd if age $ 75. Anticholinergic effects.
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