Overview: the allergic reaction and site-based therapy.
The successful management of upper respiratory tract allergy is based on a triad of interdependent approaches that, with rare exceptions, must all be considered in every allergic patient. They consist of allergen avoidance with environmental control measures, pharmacotherapy with use of a step-care approach, and immunotherapy. Environmental control measures should be used to prevent events that trigger and sustain the condition. Once started, the allergic reaction includes the release of mediators of inflammation that produce well-known symptoms of allergic rhinitis. Treatment should consist of a step-wise, rational approach that includes site-based therapy with one or more drugs acting at different sites. The drugs used are antihistamines, decongestants, cromolyn sodium, and corticosteroids. Immunotherapy should be considered at any step, because it offers the only curative approach.
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D006801:Humans; D012220:Rhinitis / Q000503:physiopathology / Q000628:therapy*; D012221:Rhinitis, Allergic, Perennial / Q000503:physiopathology / Q000628:therapy