Hay fever is a form of allergy affecting people sensitive to its allergens during the summer season. Its medical term is seasonal allergic rhinitis. Hay fever or seasonal allergic rhinitis is an allergy that attacks vulnerable people during the summer and the onset of the spring seasons. Allergies as such is caused by inhaling pollen or by entry of pollen to an eye. This will then irritate the eye's and nose's sensitive linings. Consequently, inflammation or swelling follows such occurrence.
Causes of hay fever
Pollens usually come from trees like oak and silver birch. Pollen from those specified trees are the most common cause of reported or recorded cases of hay fever and other related allergies that occur during the onset of spring. Grasses that pollinate during the summer until about the onset of spring, like nettles, weeds, mugwort and dock are also attributed to several cases of hay fever.
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