Favipiravir, which is a generic version of Japan-based Fujifilm Toyama Chemicals Avigan, has demonstrated activity against influenza viruses and has been approved in Japan for the treatment of novel corona virus infections. FabiFlu Tablet is an Antiviral medicine which contains Favipiravir as a primary ingredient. Favipiravir is used to treat Influenza and mild cases of COVID-19. This medicine works by blocking the action of the virus which is responsible for the symptoms of flu and other upper respiratory tract infections. The tablet is also used in combination with Amantadine to treat severe Influenza and mild cases of COVID-19.