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Granulomatous hepatitis due to combination of amoxicillin and clavulanic acid
C Silvain1, E Fort, P Levillain
1Service d'Hépato-Gastro-Entérologie, CHU la Milétrie, Poitiers, France.
Abstract:
We report the case of a patient with amoxicillin-clavulanic acid-induced hepatitis with histologic multiple granulomas. This type of lesion broadens the spectrum of liver injury due to this drug combination, mainly represented by a benign cholestatic syndrome. The association of granulomas and eosinophilia favor an immunoallergic mechanism. As penicillin derivatives and amoxicillin alone are known to induce such types of lesions, the amoxicillin component, with or without a potentiating effect of clavulanic acid, might have a major role.
Insights
Amoxicillin-clavulanic acid can cause drug-induced liver injury, specifically hepatitis with granulomas. This finding expands understanding of the drug combination
Area of Science:
- Hepatology
- Clinical Pharmacology
- Immunology
Background:
- Amoxicillin-clavulanic acid is a widely prescribed antibiotic combination.
- Drug-induced liver injury (DILI) is a significant concern with many medications.
- The spectrum of DILI from amoxicillin-clavulanic acid is typically cholestatic.
Observation:
- A case of amoxicillin-clavulanic acid-induced hepatitis presented with histological evidence of multiple granulomas.
- The presence of granulomas and eosinophilia in liver biopsy suggests an immunoallergic mechanism.
Findings:
- This case broadens the known spectrum of liver injury associated with amoxicillin-clavulanic acid.
- The findings suggest that the amoxicillin component, potentially potentiated by clavulanic acid, may play a key role in inducing granulomatous hepatitis.
Implications:
- This report highlights the need for increased awareness of granulomatous hepatitis as a potential adverse effect of amoxicillin-clavulanic acid.
- Understanding the immunoallergic pathway may inform future drug development and patient monitoring strategies.
- Further research is warranted to elucidate the precise mechanisms underlying amoxicillin-induced granulomatous liver injury.