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Related Experiment Videos

Massive oral theophylline poisoning.

T J Iberti, R S Hammond

    Southern Medical Journal
    |August 1, 1978
    PubMed
    Summary

    A patient survived a massive theophylline overdose. Fulminant diarrhea may have aided recovery by expelling undigested tablets, preventing significant central nervous system effects.

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    Area of Science:

    • Pharmacology
    • Clinical Toxicology
    • Gastroenterology

    Background:

    • Theophylline is a methylxanthine drug used for respiratory diseases.
    • Theophylline overdose can cause severe toxicity, including central nervous system (CNS) and cardiac effects.
    • Managing theophylline toxicity requires prompt intervention to enhance elimination and mitigate adverse effects.

    Observation:

    • A patient presented after ingesting a large quantity of an oral theophylline preparation.
    • The patient experienced severe, acute diarrhea shortly after ingestion.
    • Theophylline tablets were noted to be expelled rectally due to the diarrhea.

    Findings:

    • Despite the massive theophylline ingestion, the patient exhibited a notable lack of CNS manifestations.
    • The rapid and extensive expulsion of intact theophylline tablets via diarrhea is hypothesized as the primary reason for the limited toxicity.
    • This suggests a significant role of gastrointestinal transit and elimination in mitigating systemic absorption of the oral formulation.

    Implications:

    • Fulminant diarrhea can serve as an unexpected, potent mechanism for enhanced elimination of orally ingested medications.
    • Clinical toxicology should consider the potential impact of severe gastrointestinal distress on drug absorption and toxicity.
    • This case highlights the importance of considering all routes of drug elimination, even unconventional ones, in overdose scenarios.

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