Zanamivir is a medication used to treat and prevent influenza caused by influenza A and B viruses...Wikipedia

Manufacturer's Website: Not available                                                                                                                                  Average retail cost: $inhaler

Oseltamivir, sold under the brand name Tamiflu, is an antiviral medication used to treat and prevent influenza A and influenza B (flu)...Wikipedia

Manufacturer's Website: Tamiflu                                                                                                                                         Average retail cost: $180/1 dose pk

Peramivir (trade name Rapivab) is an antiviral drug developed by BioCryst Pharmaceuticals for the treatment of influenza. Peramivir is a neuraminidase inhibitor, acting as a transition-state analogue inhibitor of influenza neuraminidase and thereby preventing new viruses from emerging from infected cells. It is approved for intravenous administration...Wikipedia

Manufacturer's Website: Rapavab                                                                                                                                         Average retail cost: *

*This drug is administered by your healthcare practitioner, which usually means it may be expensive.