Oseltamivir is an antiviral medication that blocks the actions of influenza virus types A and B in
your body.
Oseltamivir is used to treat flu symptoms caused by influenza virus in patients who have had
symptoms for less than 2 days. Oseltamivir may also be given to prevent influenza in people who may
be exposed but do not yet have symptoms. Oseltamivir will not treat the common cold.
Oseltamivir may also be used for other purposes not listed in this medication guide.