| SYMPTOMS | COLD | FLU | ALLERGIC RHINITIS |
|---|---|---|---|
| Fever | Rare | Usual, high (100–102 °F), sometimes higher. Lasts 3–4 days. | Never |
| Headache | Uncommon | Common | Uncommon |
| General Aches, Pains | Slight | Usual; often severe | Never |
| Fatigue, Weakness | Sometimes | Usual, can last up to 3 weeks | Sometimes |
| Extreme Exhaustion | Sometimes | Usual, at the beginning of the illness | Never |
| Stuffy, Runny Nose | Common | Sometimes | Common |
| Sneezing | Usual | Sometimes | Sometimes |
| Sore Throat | Common | Sometimes | Sometimes |
| Cough | Common | Common, can become severe | Sometimes |
| Chest discomfort | Mild to moderate | Common | Rare, except for people with allergic asthma |
Adapted from NIH News in Health [1]