Does this sound like the flu?!
Question: Does this sound like the flu?
Answers:
Generally speaking, if you have symptoms above the neck, it is likely a cold. Symptoms below the neck are indicative of the flu.
What you are describing aren't common for either though. You left out a few key points, such as how high your fever was / is.
However, if you are feeling nauseous and light-headed with a decent fever for three days (Saturday, Sunday, Monday), you really should consider seeing a medical professional as soon as possible. I'm not a doctor, but even if I were, it would be difficult to diagnose you via computer, and your issues could be problematic.
You really should see someone soon, just in case it is something serious.