Intranasal corticosteroids compared with oral antihistamines in allergic rhinitis: A systematic review and meta-analysis.

Background: Intranasal corticosteroids (INS) (corticosteroid nasal sprays) and oral antihistamines (OA) are two of the most common treatments for patients with allergic rhinitis (AR). To our knowledge, there are no systematic reviews on this topic including trials published after 2007.

Objective: To compare INS with nonsedating OAs as treatments for AR.