Can my allergy symptoms feel and last like colds do?

Yes. A cold is more likely to be associated with sorethroat, aching, fever, headache Allergy: itching is more likely Common to both: runny & stuffy nose, watery eyes, sneezing, sinus pressure.
Yes, except. In fact , many people have attributed their allergic nasal symptoms to frequent colds. The nasal congestion, headaches, runny nose, and headaches are shared by both. However allergy is not associated with a fever which however may happen when complicated by severe sinusitis. A cold usually last for about 7-10 days but allergies much longer and may even be seasonal.