Low red blood cell count (anemia), which can be severe. Tell your healthcare provider if you have any of these symptoms of anemia:

dizziness
shortness of breath
tiredness
weakness

Common side effects of Incivek in combination with peginterferon alfa and ribavirin include:

itching
nausea
diarrhea
vomiting
anal or rectal problems, including:
hemorrhoids
discomfort or burning around or near the anus
itching around or near the anus
taste changes
tiredness

Tell your healthcare provider about any side effect that bothers you or does not go away.