peramivir

thumb|Exterior of Rapiacta I.V. Bag 300mg (Generic name: Peramivir hydrate). An anti-influenza virus drug administered by intravenous infusion in Japan.

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.