Studies that were not active or placebo controlled, that did not evaluate change in nasal congestion scores,or that focused on treatments other than desloratadine, fexofenadine, and levocetirizine for nasal congestion associated with AR were excluded.
Studies that were not active or placebo controlled, that did not evaluate change in nasal congestion scores,or that focused on treatments other than desloratadine, fexofenadine, and levocetirizine for nasal congestion associated with AR were excluded.