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Allergic rhinitis, of which the seasonal type is called hay fever, is a type of inflammation in the nose that occurs when the immune system overreacts to allergens in the air. [6] It is classified as a type I hypersensitivity reaction . [ 8 ]
[7] [8] Aeroallergens can cause EG. [9] [10] The stomach is the organ most commonly affected, followed by the small intestine and the colon. [11] [12] As a part of host defense mechanism, eosinophil is normally present in gastrointestinal mucosa, though finding in deeper tissue is almost always pathologic. [13]
Many allergens such as dust or pollen are airborne particles. In these cases, symptoms arise in areas in contact with air, such as the eyes, nose, and lungs. For instance, allergic rhinitis, also known as hay fever, causes irritation of the nose, sneezing, itching, and redness of the eyes. [23]
Allergic rhinitis or hay fever may follow when an allergen such as pollen, dust, or Balsam of Peru [36] is inhaled by an individual with a sensitized immune system, triggering antibody production. These antibodies mostly bind to mast cells, which contain histamine. When the mast cells are stimulated by an allergen, histamine (and other ...
The hay at risk for increased volumes of spores is found at the bottom of the pile. [11] The presence of Farmer's Lung Disease peaks during late winter and early spring and is mostly seen after the harvest season when symptoms have set in. [ 12 ] This disease is most prevalent in damp climates .
Cetirizine is a second-generation antihistamine used to treat allergic rhinitis (hay fever), dermatitis, and urticaria (hives). [11] It is taken by mouth. [12] Effects generally begin within thirty minutes and last for about a day. [12]
Consistency in feeding horses is important and the hay is just another feed component. A great number of horses suffer from respiratory conditions that is a direct result of the hay they are feeding on. Stored hay contains dust and fungal spores that can cause irritation and inflammation, that can lead to COPD, airway and digestive conditions.
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