What is Flumadine (rimantadine)?
Rimantadine is an antiviral medication. It blocks the actions of viruses in your body. Rimantadine is used to treat and prevent influenza A (a viral infection) in adults. It is also used to prevent influenza A in children. There may be some flu seasons during which rimantadine is not recommended because certain flu strains may be resistant to this drug. Rimantadine may also be used for other purposes not listed in this medication guide.