Surefire signs it's the flu

"It's the flu," is something we've all said when we're not feeling our best, whether it's the truth or not. The flu is a term that's been assigned to almost any sickness under the sun, but how do we know if we really have it or not? Here are some signs of the flu, courtesy of Everyday Health:

• Fever, often high
  
• Headache
• Extreme tiredness/fatigue
• Dry cough
• Sore throat
• Runny or stuffy nose
• Muscle aches
• Stomach symptoms, such as nausea, vomiting, and diarrhea.
  

So next time you feel a bit achey from a rough day, don't be too quick to assume it's the flu -- if it was, your symptoms would probably be more severe.