What are amantadine (Symmetrel®) and rimantadine (Flumadine®)?
Amantadine (Symmetrel®) and rimantadine (Flumadine®) are antiviral drugs known as adamantanes that fight against influenza A viruses, but not influenza B viruses. Amantadine (Symmetrel®) is approved to treat and prevent flu in people older than 1 year. Rimantadine (Flumadine®) is approved to prevent flu among people older than 1 year. It is approved to treat flu infections in people 13 and older.