Sounds like you need to get thee to the doctor, but...some info anyway:

There are antivirals that should be taken even after the flu begins for people who are vulnerable to problems, and for anyone who wants to get back to work earlier. It's recommended they be taken early in the course

The oldest around is Symmetrel, and old-time med for parkinson's tried and true, which decreases the length of the flu episode.

This is what the CDC recommends:

* Influenza antiviral medications should be started as soon as possible after symptom onset. These medications have not been shown to be effective if administered more than 48 hours after onset.

* Oseltamivir is approved for treatment of people 1 year of age and older. Tamiflu
* Zanamivir is approved for treatment of people 7 years of age and older. Relenza

* The recommended duration of treatment with oseltamivir or zanamivir is 5 days.

http://www.cdc.gov/flu/professionals...als/agents.htm