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 and 更多
