Therapy is strongly recommended in patients with acute infection, patients with elevated ALT levels, patients with normal ALT level and F > or = 2 METAVIR score, in genotype 1 nonresponders and relapsers to antiviral therapy with triple therapy (pegylated interferon, ribavirin, bocaprevir or telaprevir), in patients with compensated cirrhosis and patients on hemodialysis. It is possible to treat patients with HBV and HIV co-infection, patients with severe HCV extrahepatic manifestations and patients with transplanted liver. Drug users and alcoholics can be treated after 6-month abstinence, but also with supportive therapy. This therapy is not recommended in patients with fulminant hepatitis, patients with persistent normal ALT levels and without fibrosis, in kidney transplant recipients and in pregnant women.