Direct-acting antiviral interferon-free regimens to treat chronic hepatitis C: risk of hepatitis B reactivation

All patients should be screened for hepatitis B before starting treatment for chronic hepatitis C with direct-acting antiviral interferon-free regimens. Patients who are co-infected with hepatitis B and C viruses are at risk of hepatitis B reactivation, and should be monitored and managed according to current clinical guidelines.