Hay fever (allergic rhinitis) is most prevalent during the spring and summer seasons, however it can occur year round if an individual is particularly susceptible. Reactions are caused by the tiny pollen of wind-pollinated plants. Locations with large quantities of trees, grasses and weeds are hot spots for hay fever. Locations without much vegetation often have much lower occurrence rates of hay fever, however the risk of developing allergic rhinitis still exists in these areas.
Allergic rhinitis is a form of standard rhinitis, which is the medical term for a runny nose. The fever occurs when the mucous membrane in the nose becomes inflamed. When the mucous membrane is inflamed, excessive amounts of mucus are secreted. Other symptoms include nasal congestion (stuffy nose), and post-nasal drip (phlegm in the throat). In addition to effecting the nose and throat, also effected are the eyes, causing an increase in fluid production (watery, sensitive eyes).
Hay fever is mostly blamed on pollen from trees, plants and grasses, however there are many other ways that one can develop symptoms. Dusty areas, such as a warehouse or storage facility, can cause symptoms. Dust itself causes bodily reactions that are similar to that of pollen reactions. Another common cause of rhinitis is animal dander, which is similar to dandruff. Animal dander is prevalent in all homes with animals, and is naturally occurring. There is no way to prevent animal dander, however it can be reduced. There are a number of treatments available for hay fever and pollen allergies.
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