Hay fever, also known as allergic rhinitis, is an allergic reaction to airborne substances like pollen. It involves the immune system overreacting and releasing histamines causing symptoms like sneezing and itching.
5 Must Know Facts For Your Next Test
Hay fever is a type I hypersensitivity reaction mediated by IgE antibodies.
Common allergens include pollen, dust mites, animal dander, and mold spores.
Symptoms are caused by the release of histamines from mast cells in response to allergen exposure.
Antihistamines, decongestants, and nasal corticosteroids are common treatments for hay fever.
Seasonal hay fever is often linked to specific pollens released during particular times of the year.