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    Volume 45, Issue 4 (July 2000)

    Postmortem Forensic Toxicology of Trazodone

    (Received 2 July 1999; accepted 17 September 1999)


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    Trazodone is a popular antidepressant medication that has been available for approximately 30 years. It has a reputation as a safe drug with relatively few reported fatalities attributed solely to it. We review the pharmacology and forensic toxicology of trazodone and report toxicology and cause and manner of death in a series of 37 deaths in which trazodone was detected.

    Although the normal upper therapeutic blood concentration for trazodone is about 2 mg/L, fatalities are rarely attributed solely to it at blood concentrations below 9 mg/L. Considering the pharmacology of the drug, potential interactions between other drugs with serotonin reuptake properties need to be considered, as does the increased susceptibility to the toxic effects in patients with pre-existing heart disease.

    In the cases reviewed, none were attributed solely to trazodone, although trazodone was frequently present together with other serotonergic drugs, such as the selective serotonin reuptake inhibitors like fluoxetine and sertraline. Ten cases had blood trazodone concentrations above 2 mg/L. Of these cases, trazodone played a primary role in the death of three subjects, with blood concentrations all greater than 9 mg/L.

    We confirm the conclusions of others that trazodone is a relatively safe drug except in massive overdose, although its toxicity may be influenced by the presence of other drugs and underlying pathophysiology.

    Author Information:

    Logan, BK
    Washington State Toxicology Laboratory, Bureau of Forensic Laboratory Services, Washington State Patrol, Seattle, WA

    Goeringer, KE

    Raymon, L
    University of Miami, Miami, FL

    Stock #: JFS14783J


    DOI: 10.1520/JFS14783J

    Title Postmortem Forensic Toxicology of Trazodone
    Symposium ,
    Committee E30