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Last Updated: 6/10/2009
Hay Fever (Allergic Rhinitis)
Allergic Rhinitis (commonly called Hay Fever) is caused by inhaling airborne particles to which
you may be allergic. These are called allergens. Out of the more than 67 million Americans who
suffer from allergies, 24-40 million suffer from an airborne allergy, such as hay fever or allergic rhinitis.
These allergies are caused by:Pollen, Pet dander, Dust particles and Mold spores
Plants like ragweed, cattail and maple tree release their pollen to initiate their reproductive processes
with nearby plants of their species. Pollens are carried by the wind, so not all of them reach their
targets, and instead they land on you. For that reason, too, pollen is frequently present in the air we
breathe. Weather forecasts are important signals - pollen can't travel in the rain.
If you are an individual sensitive to pollen, you will experience an allergic reaction.
Taking into account the airborne allergens listed above, there are two forms of allergic rhinitis: Seasonal Allergic Rhinitis (also called Hay Fever or Pollinosis) and Perennial Allergic Rhinitis. (Click HERE to learn about treatment options).
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The Pollen Index levels, national map and weather forecasts are updated daily (last updated on
July 3, 2009). The HealthDay News section is updated as new articles become available. You can click here for the Healthday News at Pollen.com.
Click here for links to other helpful pollen allergy related information.
Another useful tool for allergy sufferers is our PollenLibrary.com site.
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your best source of allergies and allergy information, such as hay fever, and includes the Allergy four day forecast.
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