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Related Experiment Videos

Sympathetic overactivity from fenfluramine-phentermine overdose.

R Koury1, C K Stone, J S Stapczynski

  • 1Department of Emergency Medicine, University of Kentucky Medical Center, Lexington 40536-0236, USA.

European Journal of Emergency Medicine : Official Journal of the European Society for Emergency Medicine
|August 26, 1999
PubMed
Summary

This case report details a severe fenfluramine-phentermine overdose presenting with extreme hyperadrenergic symptoms and self-inflicted burns. The patient required extensive medical intervention, including mechanical ventilation and skin grafts, highlighting the drug

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Area of Science:

  • Emergency Medicine
  • Clinical Toxicology
  • Pharmacology

Background:

  • Fenfluramine-phentermine, a combination once used for weight loss, carries risks of significant adverse effects.
  • Understanding the spectrum of overdose toxicity is crucial for emergency department management.

Observation:

  • A young male presented with severe hyperadrenergic symptoms including tachycardia, fever, and combativeness following fenfluramine-phentermine ingestion.
  • The patient sustained self-inflicted second-degree burns, complicating the clinical picture.
  • Adult respiratory distress syndrome (ARDS) developed, necessitating prolonged mechanical ventilation.

Findings:

  • The overdose mimicked a profound 'sympathetic storm,' a presentation not previously documented with this drug combination.

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  • Management required a multi-faceted approach including sedatives, paralytics, adrenergic antagonists, and mechanical ventilation.
  • The patient underwent skin grafting for extensive burns and had a 26-day hospital stay.

    • Implications:

    • This case underscores the potential for severe, life-threatening toxicity from fenfluramine-phentermine overdose.
    • Clinicians should be vigilant for hyperadrenergic crises and associated complications like burns and ARDS.
    • Further research into the neuroadrenergic effects of fenfluramine-phentermine is warranted.