Allergic rhinitis, which is commonly known as hay fever, is an allergic response to specific allergens. An allergen is something that triggers an allergy. When a person with allergic rhinitis breathes in an allergen, such as pollen, mold, dust, etc., the body release a chemical known as histamine, which defends the body from the allergen. This chemical causes allergy symptoms or allergic rhinitis. Pollen is the most common allergen in seasonal allergic rhinitis. Common symptoms of allergic ... Read more

Allergic rhinitis or hay fever is an IgE-mediated disorder caused by allergens such as mold or tress, animal, dander, house dust mites, weed pollens, and grass. It can occur in two different forms namely, seasonal and perennial, which in turn causes mild or moderate to severe inflammation inside the nose. Some of the major symptoms of allergic rhinitis include nasal congestion, rhinorrhea, sneezing, nasal itching, and itchy eyes, or it can be associated with asthma as well. Allergic rhinitis ... Read more