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Pronunciation |
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(trye
meth a DYE
one) |
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U.S. Brand
Names |
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Tridione® |
|
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Generic
Available |
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No |
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Synonyms |
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Troxidone |
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Pharmacological Index |
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Anticonvulsant, Oxazolidinedione |
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|
Use |
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Control absence (petit mal) seizures refractory to other
drugs |
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Pregnancy Risk
Factor |
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D |
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Contraindications |
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Hypersensitivity to trimethadione |
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Warnings/Precautions |
|
May cause severe blood dyscrasias; use with caution in patients with renal
and hepatic impairment, SLE, myasthenia gravis, or intermittent porphyria; do
not abruptly discontinue medication |
|
|
Adverse
Reactions |
|
Central nervous system: Drowsiness, hiccups
Dermatologic: Alopecia, exfoliative dermatitis, rash
Endocrine & metabolic: Porphyria
Gastrointestinal: Anorexia, vomiting, stomach upset, abdominal pain, weight
loss
Hematologic: Aplastic anemia, agranulocytosis, thrombocytopenia,
Hepatic: Hepatitis, jaundice
Neuromuscular & skeletal: Myasthenia gravis-like syndrome
Ocular: Diplopia, photophobia, hemeralopia, nystagmus, scotomata
Renal: Nephrosis, proteinuria
Miscellaneous: Lupus |
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Drug
Interactions |
|
Use caution with other centrally-acting agents |
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Mechanism of
Action |
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An oxazolidinedione with anticonvulsant sedative properties; elevates the
cortical and basal seizure thresholds, and reduces the synaptic response to low
frequency impulses |
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Usual Dosage |
|
Oral:
Adults: Initial: 900 mg/day in 3-4 equally divided doses, increase by 300
mg/day at weekly intervals until therapeutic results or toxic symptoms appear
Dosing interval in renal impairment:
Clcr 10-50 mL/minute: Administer every 8-12 hours
Clcr <10 mL/minute: Administer every 12-24 hours
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Dental Health: Local
Anesthetic/Vasoconstrictor
Precautions |
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No information available to require special precautions |
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Dental Health:
Effects on Dental Treatment |
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No effects or complications reported |
|
|
Patient
Information |
|
Blood test monitoring must be performed periodically, notify physician of
persistent or severe fatigue, sore throat, fever, rash, unusual bleeding or
bruising; may take with food, may cause drowsiness, impair judgment and
coordination, and blurred vision; visual disturbances are normally controlled by
reduction of dose |
|
|
Nursing
Implications |
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Caution patient that even minor skin rash and signs of infection or bleeding
must be reported to the physician |
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Dosage Forms |
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Capsule: 300 mg
Tablet, chewable: 150 mg |
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