Allergic Rhinitis: Symptoms, Causes & Treatment
Introduction and Definition of Allergic Rhinitis Allergic Rhinitis (AR), commonly known as hay fever, is a highly prevalent chronic inflammatory condition affecting the nasal passages, triggered by an immunoglobulin E (IgE)-mediated immune response to typically harmless airborne environmental allergens. This condition represents a Type I hypersensitivity reaction, fundamentally rooted in the body’s overreaction to specific […]