Background Allergic rhinitis is a very common chronic illness a ecting 10% to 40% of children worldwide. There has been a significant increase in prevalence among children over the last two decades and this increase has been accompanied by a parallel increase in comorbid illnesses such as asthma. Objectives To evaluate the therapeutic e ectiveness and adverse event profiles of topical nasal steroids for intermittent and persistent allergic rhinitis in children.
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