What are the common allergens that trigger Hay Fever?

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What are the common allergens that trigger Hay
Fever?
Hay Fever is known as allergic rhinitis. It is
caused due to inhaling outdoor or indoor
allergens like dust, grass, tree, pollen, animal
fur, or the skin, urine, and saliva of pet
animals. These allergens cause exact cold-like
signs like sneezing, itchy eyes, runny nose,
conges, and sinus pressure. It would be best to
get hay fever treatment as early as possible. The
triggers include During the months from March to
July Cockroaches and dust and mites lead to Hay
fever During the early spring, pollen from trees
causes Hay Fever Contact with spores from indoor
and outdoor fungi and mustinesses