Intranasal antihistamine is superior to oral H1 antihistamine as an add-on therapy to intranasal corticosteroid for treating allergic rhinitis

Background Currently, a combination of intranasal corticosteroid (INCS) plus oral H1 antihistamine (OAH) or intranasal H1 antihistamine (INAH) therapy is frequently used in the treatment of allergic rhinitis (AR). The superiority of the 2 combined treatments needs to be further examined. Objective To identify the better of the 2 therapeutic strategies for treating AR. Methods A literature review was performed on MEDLINE, Cochrane Library, and...