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Concept
Trazodone
Summary
Trazodone, sold under many brand names, is an antidepressant medication. It is used to treat major depressive disorder, anxiety disorders, and difficulties with sleep. The medication is taken orally.
Common side-effects include dry mouth, feeling faint, vomiting, and headache. More serious side effects may include suicide, mania, irregular heart rate, and pathologically prolonged erections. It is unclear if use during pregnancy or breastfeeding is safe. It is a phenylpiperazine compound of the serotonin antagonist and reuptake inhibitor (SARI) class. Trazodone also has sedating effects.
Trazodone was approved for medical use in the United States in 1981. It is available as a generic medication. In 2020, it was the 21st most commonly prescribed medication in the United States, with more than 26 million prescriptions.
The primary use of trazodone is the treatment of unipolar major depression with or without anxiety. Data from open and double-blind trials suggest the antidepressant efficacy of trazodone is comparable to that of amitriptyline, doxepin, and mianserin. Also, trazodone showed anxiolytic properties, low cardiotoxicity, and relatively mild side effects.
Because trazodone has minimal anticholinergic activity, it was especially welcomed as a treatment for geriatric patients with depression when it first became available. Three double-blind studies reported trazodone has antidepressant efficacy similar to that of other antidepressants in geriatric patients. However, a side effect of trazodone, orthostatic hypotension, which may cause dizziness and increase the risk of falling, can have devastating consequences for elderly patients; thus, this side effect, along with sedation, often makes trazodone less acceptable for this population, compared with newer compounds that share its lack of anticholinergic activity but not the rest of its side-effect profile. Still, trazodone is often helpful for geriatric patients with depression who have severe agitation and insomnia.
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