Definition of Cold, summer
Cold, summer: A popular term for hay fever. Although the symptoms of a "summer cold" may be similar to those of a real cold, the term "summer cold" is a misnomer. Unlike a real cold, it is not caused by a virus but by allergy. It is therefore also called allergic rhinitis, a runny nose due to an allergy.
Last Editorial Review: 7/1/2016
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