Our Hay Fever (Allergic Rhinitis) Main Article provides a comprehensive look at the who, what, when and how of Hay Fever (Allergic Rhinitis)

Medical Definition of Allergic rhinitis, perennial

Allergic rhinitis, perennial: Allergic rhinitis that occurs throughout the year.


Last Editorial Review: 6/9/2016

Allergy Pictures Slideshow: 10 Common Allergy Triggers

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