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Niacin hepatitis.

D J Patterson, E W Dew, F Gyorkey

    Southern Medical Journal
    |February 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    High doses of nicotinic acid can cause severe liver injury, characterized by distorted liver architecture and cholestasis. Symptoms resolved completely after discontinuing the drug, highlighting its potential hepatotoxicity.

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    Area of Science:

    • Hepatology
    • Clinical Pharmacology
    • Toxicology

    Background:

    • Nicotinic acid (niacin) is a vitamin used to treat dyslipidemia.
    • High-dose nicotinic acid therapy can be associated with various side effects.
    • Hepatotoxicity is a potential, though uncommon, adverse effect of nicotinic acid.

    Observation:

    • A patient experienced severe liver injury on two separate occasions.
    • The liver injury coincided with the ingestion of large doses of nicotinic acid.
    • Histological examination revealed distorted liver architecture, massive/submassive lobular collapse, and marked cholestasis.

    Findings:

    • The patient's liver injury was directly linked to high-dose nicotinic acid intake.
    • Withdrawal of nicotinic acid led to the complete resolution of liver abnormalities.

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  • Biochemical and histological evidence confirmed the reversibility of the drug-induced liver injury.

    • Implications:

    • This case underscores the significant hepatotoxic potential of high-dose nicotinic acid.
    • Clinicians should monitor liver function in patients receiving high-dose nicotinic acid therapy.
    • Understanding nicotinic acid's toxicity is crucial for patient safety and effective lipid management.