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Remote abscess formation during interferon-alpha therapy for viral hepatitis

C A Gogos1, J K Starakis, H P Bassaris

  • 1Patras University Medical School, Department of Medicine, Section of Infectious Diseases, 26500 Rio Patras, Greece. cgogos@med.upatras.gr

Clinical Microbiology and Infection : the Official Publication of the European Society of Clinical Microbiology and Infectious Diseases
|July 10, 2003
PubMed

Insights

Remote abscess formation is a rare complication of interferon-alpha (IFN-alpha) treatment for chronic hepatitis C virus (HCV) infection. Clinicians should suspect abscesses in patients with unexplained fever during IFN-alpha therapy.

Area of Science:

  • Hepatology
  • Infectious Diseases
  • Pharmacology

Background:

  • Interferon-alpha (IFN-alpha) is used to treat chronic hepatitis C virus (HCV) infection.
  • Abscess formation at the injection site is an uncommon infectious complication.
  • Remote abscess formation during IFN-alpha therapy is exceptionally rare.

Observation:

  • Three cases of remote abscesses were observed in 68 patients undergoing IFN-alpha treatment for chronic viral hepatitis.
  • The study reviewed relevant English literature on this phenomenon.

Findings:

  • Remote abscess formation is a rare but documented complication of IFN-alpha therapy.
  • Fever and constitutional symptoms are common side effects, potentially masking abscesses.

Implications:

  • A high index of suspicion is necessary to diagnose remote abscesses in patients with unexplained fever during IFN-alpha treatment.
  • Early diagnosis and management of these abscesses are crucial for patient outcomes.

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