http://www.cdc.gov/flu/about/qa/antiviral.htm
Centers for Disease Control and Prevention, U.S. Department of Health and Human Services
This document provides answers to questions about influenza (flu) antiviral medications. The document includes information on what influenza antiviral medications are, how antiviral medications are used for influenza, how long antiviral drugs should be taken, what side effects are associated with influenza antiviral medications, and whether influenza antiviral drugs can help with other illnesses such as the common cold.