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Related Experiment Videos

Chronic liver disease and acetaminophen

G K Johnson, K G Tolman

    Annals of Internal Medicine
    |September 1, 1977
    PubMed
    Summary

    Acetaminophen, even at therapeutic doses, can cause liver damage in susceptible individuals. This case highlights the importance of monitoring liver function during acetaminophen use, especially in patients with pre-existing conditions.

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    Area of Science:

    • Hepatology
    • Pharmacology
    • Toxicology

    Background:

    • Acetaminophen (N-acetyl-para-aminophenol) is a widely used analgesic and antipyretic.
    • Therapeutic doses of acetaminophen are generally considered safe, but rare cases of hepatotoxicity exist.

    Observation:

    • A 59-year-old female patient with arthritis presented with abnormal liver function tests.
    • The abnormalities emerged during treatment with standard therapeutic doses of acetaminophen.
    • Liver biopsy confirmed both acute and chronic liver injury.

    Findings:

    • Re-administration of acetaminophen rapidly triggered a recurrence of abnormal liver function.
    • The patient recovered fully with normalization of liver function tests after discontinuation.
    • Follow-up for 2 years showed no persistent symptoms or biochemical abnormalities.

    Implications:

    • This case suggests idiosyncratic acetaminophen hepatotoxicity can occur even at recommended doses.
    • Careful patient selection and monitoring may be warranted in individuals with risk factors.
    • Further research into the mechanisms of acetaminophen-induced liver injury is needed.

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