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Related Experiment Videos

Isoniazid-related hepatitis

R Vasudeva1, B Woods

  • 1Division of Digestive Disease and Nutrition, University of South Carolina, Columbia 29203, USA.

Digestive Diseases (Basel, Switzerland)
|January 24, 1998
PubMed
Summary
This summary is machine-generated.

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Isoniazid (INH) can cause liver damage, from mild enzyme changes to severe liver failure. Increased tuberculosis cases mean more INH use, requiring careful monitoring for INH-related hepatitis.

Area of Science:

  • Hepatology
  • Pharmacology
  • Infectious Diseases

Background:

  • Isoniazid (INH) is a cornerstone medication for tuberculosis (TB) treatment and prevention.
  • Rising global incidence of TB necessitates increased INH utilization.
  • Established evidence links INH to a spectrum of hepatotoxicity, from subclinical enzyme elevations to fatal liver failure.

Purpose of the Study:

  • To review the pathogenesis, histopathology, risk factors, and clinical manifestations of INH-induced hepatotoxicity.
  • To highlight the critical need for heightened clinical vigilance regarding INH-related liver injury.
  • To provide an updated understanding of INH hepatotoxicity in the context of increasing TB prevalence.

Main Methods:

  • Literature review of existing studies on isoniazid hepatotoxicity.

Related Experiment Videos

  • Synthesis of current knowledge on the mechanisms and pathology of INH liver injury.
  • Analysis of epidemiological data and clinical case reports related to INH use.

    • Main Results:

    • Isoniazid hepatotoxicity presents a wide clinical spectrum, including asymptomatic elevations in liver enzymes and severe outcomes like fulminant hepatic failure.
    • Risk factors contributing to INH-related liver injury require careful consideration in patient management.
    • Histopathological findings in INH hepatitis vary but indicate direct drug toxicity and immune-mediated responses.

    Conclusions:

    • Isoniazid-related hepatotoxicity is a significant clinical concern, especially with anticipated increased use for tuberculosis.
    • Vigilance for early detection of liver enzyme abnormalities is paramount in patients receiving INH.
    • Understanding the pathogenesis and risk factors is crucial for mitigating severe outcomes of INH-induced liver injury.