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Related Experiment Videos

[Possibly ranitidine-induced autoimmune hepatitis].

R L Luparini1, A Rotundo, R Mattace

  • 1Cattedra di Gerontologia e Geriatria, Università degli Studi La Sapienza di Roma.

Annali Italiani Di Medicina Interna : Organo Ufficiale Della Societa Italiana Di Medicina Interna
|November 4, 2000
PubMed
Summary

Ranitidine, a histamine H2 receptor antagonist, can cause severe liver injury, including autoimmune hepatitis, in susceptible individuals. Physicians should monitor for potential ranitidine hepatotoxicity, especially during rechallenge.

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Area of Science:

  • Hepatology
  • Clinical Pharmacology
  • Drug-Induced Liver Injury

Background:

  • Ranitidine, approved in 1983, is a histamine H2 receptor antagonist used for peptic ulcers.
  • Adverse reactions to ranitidine are typically infrequent and mild.
  • Hepatotoxicity is a potential, though uncommon, adverse effect of ranitidine.

Observation:

  • A case report of a young woman with multiple sclerosis who developed severe liver injury after taking ranitidine.
  • The patient exhibited a causal relationship between ranitidine intake and adverse liver reaction.
  • Initial liver injury showed signs of toxic or idiosyncratic hepatitis, evolving to autoimmune hepatitis upon rechallenge.

Findings:

  • The case demonstrates a unique progression from toxic/idiosyncratic hepatitis to autoimmune hepatitis following ranitidine exposure and rechallenge.

Related Experiment Videos

  • Histopathological examination revealed distinct changes indicative of drug-induced liver injury.
  • The findings suggest ranitidine can trigger autoimmune processes in the liver.

    • Implications:

    • Physicians must be aware of ranitidine's potential for severe hepatotoxicity.
    • Early recognition and monitoring are crucial for managing ranitidine-associated liver injury.
    • This case highlights the importance of considering drug-induced autoimmune phenomena in liver disease etiology.