Flonase is a leading nasal spray that features fluticasone as its key active ingredient. It is specifically formulated to provide effective relief from common allergic reactions, including symptoms such as runny nose, coughing, and sneezing. Flonase is available not only as Flonase but also under various brand alternatives such as Flavson Nasal Spray, Flutoson Nasal Spray, and Spiroflut Nasal Spray.