Copegus is used to treat chronic hepatitis C which is a disease of the liver. It helps the immune system fight the hepatitis C virus, and make it harder for the virus to reproduce within the body.
Daklinza (daclatasvir) is an antiviral medicine that prevents hepatitis C virus (HCV) from multiplying in your body. Daklinza is used to treat genotype 1 and genotype 3 chronic hepatitis C in adults with or without cirrhosis