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Fatal intoxication with milnacipran.

Laurent Fanton¹, Fabien Bévalot, Habdelhamid Grait

¹Université Lyon 1, Institut de Médecine Légale, 12 Avenue Rockefeller Lyon, F-69008 Lyon, France. laurent.fanton@adm.univ-lyon1.fr

Journal of Forensic and Legal Medicine

|July 1, 2008

Summary

This study reports the first known fatal intoxication case involving the antidepressant milnacipran. Milnacipran was detected at very high levels alongside other therapeutic drugs.

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Area of Science:

Pharmacology
Toxicology
Clinical Medicine

Background:

Milnacipran is a serotonin-norepinephrine reuptake inhibitor (SNRI) antidepressant.
It is known for good tolerance compared to older antidepressants.
Previous reports suggest a low incidence of intoxication.

Observation:

A fatal case involving multiple drug overdoses was investigated.
Milnacipran was found at significantly elevated blood concentrations (40-fold higher than therapeutic levels).
Other medications, including fluoxetine and benzodiazepines, were present at therapeutic levels.

Findings:

This case represents the first documented fatality linked to milnacipran overdose.
The high milnacipran levels suggest a significant role in the fatal outcome.
The co-ingestion of other drugs complicates the precise toxicological contribution of milnacipran.

Implications:

Highlights the potential for severe toxicity with milnacipran at supratherapeutic doses.
Underscores the importance of comprehensive drug screening in overdose cases.
Informs clinical management and risk assessment for milnacipran use.