What is Allergic rhinitis?
'''Allergic rhinitis''' (also known as '''hay fever''' or '''pollinosis''') is a type of [[inflammation]] in the [[nose]]. It occurs when the [[immune system]] overreacts to [[allergen]]s in the air.<ref>{{cite web|title=Allergic Rhinitis|publisher=NIAID|url=http://www.niaid.nih.gov/topics/environmental-allergies/Pages/immunotherapy.aspx|access-date=Mar 23, 2016}}</ref> Symptoms include [[sneeze|sneezing]], red, itchy and watery eyes, and swelling around the eyes. Allergens that often cause hay fever include [[pollen]], pet hair and mold.<ref>{{cite web|title=Environmental Allergies|publisher=NIAID|url=http://www.niaid.nih.gov/topics/environmental-allergies/Pages/cause.aspx|access-date=Mar 23, 2016}}</ref> Hay fever is most common between ages twenty and forty. ==References== <references/> [[Category:Allergies]] {{biology-stub}}