Published: Journal of Analytical Toxicology, Volume 21, Number 3, May/June 1997, pp. 218–220.

CASE REPORT: A Fatality Due To Alprazolam Intoxication
A.J. Jenkins, B. Levine, J.L. Locke, and J.E. Smialek

Alprazolam is one of the most widely prescribed benzodiazepines in the United States. It is generally considered a safe and effective drug for the treatment of anxiety disorders and panic attacks. Few overdoses that are due to the sole ingestion of alprazolam have been reported. This paper documents a fatality due to alprazolam intoxication and describes the distribution of alprazolam and an active metabolite, a-hydroxyalprazolam, in tissues obtained at autopsy. Qualitative identification of the drugs was achieved by full-scan gas chromatography–mass spectrometry, and quantitative analysis was performed by high-performance liquid chromatography. High concentrations of alprazolam were found in all specimens analyzed, but the metabolite was detected only in subclavian blood, urine, bile, and liver. A postmortem heart blood alprazolam concentration of 2.1 mg/L is the highest reported in the literature to date.

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