What is bugging you? Is it just a cold or a nasty bout of flu? If you're like most of us, you probably didn't get a flu shot. And now, that you're sick, you wonder: What have I got? Today, you'll learn what's bugging you when it comes to colds versus flu. You feel tired, your throat is scratchy and you have a temperature. You have watery eyes, a runny nose and a headache. Is it flu? You probably just have a cold. However, if you have most of the above WITH a high fever, muscle aches and weakness, you well might be getting the flu. Influenza ( its proper name ) can last from four days to a week, with fatigue and weakness lingering two or three times longer. Flu virus attacks the respiratory tract so bed rest, with plenty of liquids, is a must. With this being New Year's Eve, be careful not to drive while sick. Those with colds and flu have a reaction time worse than moderate drinkers. And, most cold remedies make reaction time worse still. There another kind of DUI -- driving under the influenza.