What does it mean when the whites of your eyes are turning yellow and you are dizzy and tired with a low fever?

Scleral icterus. Most likely this means you have some sort of underlying liver problem that needs to be evaluated and properly diagnosed. Best wishes.
Jaundice . Yellow discoloration of eyes is called jaundice and potentially maybe a sign of liver dysfunction ... Viral illness could potentially cause a mild yellowish hue but you should see your doctor to run some basic lab work and assess your condition ...
Jaundice. Means usually elevated bilirubin which could occur due to liver disease or obstructive due disease in the biliary system or head of pancrease (pancrelipase)