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Pediatric carbamazepine intoxication

E S Stremski1, W B Brady, K Prasad

  • 1Department of Pediatrics, Medical College of Wisconsin, Milwaukee, USA.

Annals of Emergency Medicine
|May 1, 1995
PubMed
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Pediatric carbamazepine ingestion can cause dystonic reactions, coma, and apnea, especially with high serum levels. Multiple doses of activated charcoal effectively reduce carbamazepine half-life in children.

Area of Science:

  • Toxicology
  • Pediatric Emergency Medicine
  • Clinical Pharmacology

Background:

  • Carbamazepine is a commonly prescribed anticonvulsant and mood-stabilizing medication.
  • Overdoses in pediatric populations can lead to significant toxicity.
  • Understanding the clinical manifestations and management of carbamazepine ingestion is crucial for emergency care.

Purpose of the Study:

  • To characterize the clinical effects of carbamazepine overdose in children.
  • To identify serum carbamazepine level thresholds associated with specific toxicities.
  • To evaluate the impact of activated charcoal on carbamazepine elimination.

Main Methods:

  • A case series combining prospective and retrospective data from pediatric patients with confirmed carbamazepine ingestion.

Related Experiment Videos

  • Data collected included demographics, physical examination findings, serum carbamazepine levels, ECGs, and treatment details.
  • Statistical analysis compared serum levels and outcomes.

    • Main Results:

    • Elevated serum carbamazepine levels (>12 µg/mL) were common (61/77 patients).
    • Higher peak serum carbamazepine levels correlated with dystonic reactions, coma, and apnea.
    • Seizures were not significantly associated with peak serum levels.
    • Multiple doses of activated charcoal shortened carbamazepine half-life compared to single doses.

    Conclusions:

    • Pediatric patients with carbamazepine levels exceeding 28 µg/mL face increased risk of dystonic reactions, coma, and apnea.
    • Seizure risk is not directly correlated with peak carbamazepine levels.
    • Aggressive treatment with multiple doses of activated charcoal can accelerate the elimination of carbamazepine.