Cold vs. Flu vs. Allergies vs. COVID-19
|
||||
Symptoms |
Cold |
Flu |
Allergies |
COVID-19 (can range from moderate to severe) |
Fever |
Rare |
High (100-102 F), Can last 3-4 days |
Never |
Common |
Headache |
Rare |
Intense |
Uncommon |
Can be present |
General aches, pains |
Slight |
Usual, often severe |
Never |
Can be present |
Fatigue, weakness |
Mild |
Intense, can last up to 2-3 weeks |
Sometimes |
Can be present |
Extreme exhaustion |
Never |
Usual (starts early) |
Never |
Can be present |
Stuffy/runny nose |
Common |
Sometimes |
Common |
Has been reported |
Sneezing |
Usual |
Sometimes |
Usual |
Has been reported |
Sore throat |
Common |
Common |
Sometimes |
Has been reported |
Cough |
Mild to moderate |
Common, can become severe |
Sometimes |
Common |
Shortness of breath |
Rare |
Rare |
Rare, except for those with allergic asthma |
In more serious infections |