| Symptoms |
Cold |
Flu |
| Fever |
Rare in adults and older children, |
Usually 102º F. but |
| |
but can be as high as 102ºF in |
can go up to 104º F. |
| |
infants and small children |
and usually lasts 3 to 4 days |
| Headache |
Rare |
Sudden onset and can be |
| |
|
severe |
| Muscle Aches |
Mild |
Usual, and often severe |
| Tiredness and Weakness |
Mild |
Often extreme, and can last |
| |
|
two or more weeks |
| Extreme Exhaustion |
Never |
Sudden onset and can be |
| |
|
severe |
| Runny Nose |
Often |
Sometimes |
| Sneezing |
Often |
Sometimes |
| Sore Throat |
Often |
Sometimes |
| Cough |
Mild hacking cough |
Usual, and can become |
| |
|
severe |
