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Citation Information
Stock #: JFS0307
Volume: 48
Issue: 4
Year: 2003
Pages: 883-884
Author(s): Spiller HA, Cutino L
Title: Fatal cyclobenzaprine overdose with postmortem values
Keywords: cyclobenzaprine, death, forensic science, overdose, postmortem concentration
Abstract: There are only two published cases of overdose with postmortem blood cyclobenzaprine concentrations, both with confounding factors. We report two additional cases of fatal cyclobenzaprine overdose with postmortem values. Case 1: a 56-year-old female was found in full cardiopulmonary arrest after a verbal suicide threat to a friend. Postmortem blood concentrations were cyclobenzaprine 0.96 mg/L and diazepam 0.3 mg/L. Case 2: a 37-year-old male was found in full arrest by a family member after an intentional ingestion of cyclobenzaprine. Postmortem blood concentrations were cyclobenzaprine 0.8 mg/L and ethanol 0.174 gm/dL. The concentrations of diazepam and ethanol reported in these two patients were not found in quantities usually associated with a fatal outcome, suggesting that the cyclobenzaprine was the primary cause of the fatality. Additionally, the blood was drawn from a femoral site, so that postmortem redistribution is not a likely factor. Blood concentration of ³ 0.8 mg/L cyclobenzaprine may be associated with a fatal outcome.
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