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Allergies are caused by an immune reaction to something in the environment — indoors or outdoors — such as grass, dust or pollen. Colds are caused by viruses and are easily spread. They both come with some of the same symptoms.
Here’s a quick list of some differences and similarities of allergies and colds to help you determine which you might have:
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Allergies can last months; colds usually last from three to 14 days
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Allergies can occur year-round; colds usually happen in the winter
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Allergy symptoms can start right after you’ve been in contact with a trigger; cold symptoms appear a few days after you’re infected
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Allergies and colds can both come with these symptoms: cough; runny, stuffy nose; sore throat and tiredness
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A fever isn’t a symptom of an allergy, but it can be a symptom of a cold
If you’re concerned that your symptoms are getting worse or they're lasting longer than a few weeks, talk with your healthcare provider.
Source: Mayo Clinic Health System
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