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Both colds and flu are caused by viruses, but the viruses are
completely unrelated. However, both colds and flu affect the
upper respiratory tract, so they often produce similar
symptoms. Here's how to tell which you are likely to have
depending on your symptoms.
| Symptoms |
Cold |
Flu |
| Onset
speed |
Gradual
sore or irritated throat, building over 48 hours |
Fast
onset of symptoms |
| Fever,
Chills |
Low-grade
or none |
Yes.
Often high and lasting for 3 days or more |
| Headache |
Occasional |
Common |
| Body
aches |
Occasional |
Common |
| Fatigue/Weakness |
Occasional |
Common |
| Eye
muscle pain |
Rare |
Common |
| Runny
nose/watery eyes |
Common |
Occasional |
| Stuffy
nose/congestion |
Common |
Rare |
| Sneezing |
Common |
Occasional |
| Cough |
Common |
Common
(dry coughing) |
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