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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
Summary
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.