Characteristic | Cold | Allergy |
Duration | three-14 days | Days to months -- as long as you are exposed to the allergen |
Time of Year | Most often in the winter, but possible at any time | Any time of the year -- although the appearance of some allergens are seasonal |
Onset of symptoms | Symptoms take a few days to appear after infection with the virus. | Symptoms can begin immediately after exposure to the allergen |
Symptom | Cold | Allergy |
Cough | Often | Sometimes |
Aches | Sometimes | Never |
Fatigue | Sometimes | Sometimes |
Fever | Rarely | Never |
Itchy, watery eyes | Rarely | Often |
Sore throat | Often | Sometimes |
Runny or stuffy nose | Often; usually yellow mucus | Often; usually clear mucus |
To treat both cold and allergy symptoms, you can try:
- Antihistamines, which block the effects of histamine, a natural substance that causes symptoms such as congestion and a runny nose
- Decongestants, which reduce swelling in the mucus membranes of the nasal passages, making you feel less stuffed up
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