ZANAMIVIR prevents and treats infections caused by the flu virus (influenza). It works by slowing the spread of the flu virus in your body and reducing how long your symptoms last. It belongs to a group of medications called antivirals. It will not treat colds or infections caused by bacteria or other viruses. It will not replace the annual flu vaccine.

With the Patient Assistance Program from GlaxoSmithKline, you can receive your medication at no cost.