The efficacy of intranasal antihistamines in the treatment of allergic rhinitis
Abstract
OBJECTIVES: To discuss the new use of intranasal antihistamines as first-line therapies, compare and contrast this class of medication with the traditionally available medications, and discuss the potential for intranasal antihistamines to provide relief superior to second-generation oral antihistamines.
DATA SOURCES: Review articles and original research articles were retrieved from MEDLINE, OVID, PubMed (1950 to November 2009), personal files of articles, and bibliographies of located articles that addressed the topic of interest.
STUDY SELECTION: Articles were selected for their relevance to intranasal antihistamines and their role in allergic rhinitis. Publications included reviews, treatment guidelines, and clinical studies (primarily randomized controlled trials) of both children and adults.
RESULTS: This panel was charged with reviewing the place of intranasal antihistamines in the spectrum of treatment for allergic rhinitis. Intranasal antihistamines have been shown in numerous randomized, placebo-controlled trials to be more efficacious than the oral antihistamines. Although intranasal corticosteroids are considered by some to be superior to intranasal antihistamines, multiple studies have shown an equal effect of the 2 classes of medication. Both intranasal corticosteroids and intranasal antihistamines have been shown to reduce all symptoms of allergic rhinitis. In addition, some intranasal antihistamines have a more rapid onset of action than intranasal…
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