Trazodone: Difference between revisions
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==See Also== | ==See Also== | ||
*[[Trazodone toxicity]] | |||
==References== | ==References== | ||
<references/> | <references/> | ||
[[Category:Pharmacology]] | [[Category:Pharmacology]] | ||
Revision as of 09:31, 5 October 2016
Administration
- Type: Antidepressant
- Dosage Forms:
- Routes of Administration: oral
- Common Trade Names:
Adult Dosing
- Insomnia: 50-100mg PO at bedtime
- Depression: 150-600 mg/day in divided doses
Pediatric Dosing
Safety/efficacy not established
Special Populations
- Pregnancy Rating: C
- Lactation risk: Infant risk cannot be ruled out
- Renal dosing: no adjustment
- Hepatic dosing: no adjustment
Contraindications
- Allergy to class/drug
- MAOI use currently or in past 2 weeks
- Concomitant use of saquinavir/ritonavir
Adverse Reactions
Serious
- Prolonged QT, Torsades de pointes
- Hypotension
- Serotonin syndrome
- Suicidal thoughts/behavior
- Seizure
- Priapism
Common
- Somnolence, dizziness, confusion, insomnia, anxiety, dream disorder
- Headache, blurred vision
- Constipation, nausea/vomiting, xerostomia
- Backache
Pharmacology
- Half-life: 7h
- Metabolism: Hepatic, CYP3A4
- Excretion: Mostly renal
Mechanism of Action
- Not well understood. May act like a SSRI. Also an alpha-1 adrenergic antagonist