Oseltamivir is an antiviral medication that blocks the actions of influenza virus types A and B in your body.
Oseltamivir is used to treat influenza in people 2 weeks of age and older who have had flu symptoms for 2 days or less. It may also be given to prevent influenza in people who are at least 1 year old, who may be exposed but do not yet have symptoms. Oseltamivir will not treat the common cold.
Generic Valtrex is used for treating shingles (herpes zoster), cold sores (fever blisters or herpes labialis), and treating or suppressing genital herpes in patients with normal immune systems. It is also used to suppress genital herpes in patients with HIV infection.