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Flu Symptoms
Influenza (flu) can cause mild to severe illness, and at times can lead to death. Flu is different from a cold. Flu usually comes on suddenly. People who have flu often feel some or all of these symptoms:
- fever* or feeling feverish/chills
- cough
- sore throat
- runny or stuffy nose
- muscle or body aches
- headaches
- fatigue (tiredness)
- some people may have vomiting and diarrhea, though this is more common in children than adults.
*It’s important to note that not everyone with flu will have a fever.
http://www.cdc.gov/flu/protect/children.htmSigns and Symptoms Cold Influenza (Flu) Symptom onset Gradual Abrupt Fever Rare Usual; lasts 3-4 days Aches Slight Usual; often severe Chills Uncommon Fairly common Fatigue, weakness Sometimes Usual Sneezing Common Sometimes Chest discomfort, cough Mild to moderate; hacking cough Common; can be severe Stuffy nose Common Sometimes Sore throat Common Sometimes Headache Rare Common 
