Hæmatologiske unormaliteter blev rapporteret mere hyppigt hos patienter, der modtog Rebetol i kombination med peginterferon alfa- 2b sammenlignet med patienter, der modtog Rebetol i kombination med interferon alfa- 2b.
Haematological abnormalities were more frequently reported in patients receiving Rebetol in combination with peginterferon alfa-2b when compared to patients receiving Rebetol in combination with interferon alfa-2b.