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Allergic rhinitis (AR) is a common, chronic inflammatory disorder of the upper respiratory tract, primarily caused by exposure to environmental allergens such as pollen, dust mites, and mold. It has a substantial impact on daily life, often leading to sleep disruption, decreased productivity, and a heightened risk of asthma and other related conditions. The underlying mechanism of AR involves an IgE-mediated immune reaction, with both immediate and delayed inflammatory responses contributing to ongoing symptoms. AR can be classified into several types-seasonal, perennial, occupational, and drug-induced-which aids in its diagnosis and personalized management. Key risk factors include hereditary susceptibility, environmental pollution, and modern lifestyle factors. Diagnosis is typically based on a detailed medical history, skin prick testing, and serum IgE measurements. Treatment strategies involve the use of antihistamines, intranasal corticosteroids, and leukotriene receptor antagonists, complemented by allergen-specific immunotherapy and lifestyle modifications such as allergen avoidance. In recent years, advanced therapies like targeted biologics (e.g., dupilumab) and probiotic-based treatments have emerged, offering promising new avenues for patients with persistent or severe symptoms.
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