<p>Interferon alfa-2a is indicated for the treatment of chronic hepatitis C and hairy cell leukemia in patients 18 years of age or older. In addition, it is indicated for&nbsp;chronic phase,&nbsp;Philadelphia chromosome&nbsp;(Ph) positive chronic myelogenous leukemia (CML) patients who are minimally pretreated (within 1 year of diagnosis).<br />
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<strong>For Patients With Chronic Hepatitis C</strong>: Interferon alfa-2a is indicated for use in patients with chronic hepatitis C diagnosed by HCV antibody and/or a history of exposure to hepatitis C who have compensated&nbsp;liver disease&nbsp;and are 18 years of age or older. A&nbsp;liver biopsyand a serum test for the presence of antibody to HCV should be performed to establish the diagnosis of chronic hepatitis C. Other causes of hepatitis, including&nbsp;hepatitis B, should be excluded prior to therapy with Interferon alfa-2a .</p>