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Influenza (Flu)

Symptoms  Cold Influenza (Flu)

 Fever

 Rare in adults and older children, but can be as high as 100 - 102 degrees F in younger children and infants.

 Present, often high, usually 100-degrees F and higher. Lasts 3-4 days.
 

 Headache


 Rare.

Very common with a sudden onset. Can be severe. 
 

 Body Aches

 Slight.
 
Very common and often severe.
 

 Chills, Sweats


 Uncommon.

 Fairly common.
 

 Coughing
 
Hacking, productive cough.
 
Dry, unproductive cough that can be severe.
 

​ Sneezing


 Very common.
 
 
Uncommon.

​ Stuffy nose


 Very common.

 Less common.
 

​ Sore Throat


 Common.

 Common.

​ Chest Discomfort

 
Mild to moderate.

 Often severe.
 


​ Tiredness


 Mild.
 

Sudden onset. Moderate to severe.
 


 Symptoms

 
Develop gradually.

 

 Develop suddenly. Can appear withing 3-6 hours.
 
Others
 
 Some people may have vomiting and diarrhea.