They include amantadine (Symmetrel, Symadine) and rimantadine (Flumandine), which work against Type A influenza, and zanamavir (Relenza) and oseltamavir phosphate (Tamiflu), which work against both Types A and B influenza.
Amantadine and rimantadine can cause side effects such as nervousness, anxiety, lightheadedness, and nausea.
As an alternative, they may receive a course of amantadine or rimantadine, which are also used as a protective measure against influenza.