Seretide Evohaler is a prescription inhaler medication manufactured by GlaxoSmithKline. Each metered dose delivers 25mcg of salmeterol (as xinafoate) and 125mcg of fluticasone propionate. The inhaler provides 120 metered doses for respiratory conditions. This is a pressurized metered dose inhaler (MDI) that must be shaken well before use. The medication requires a prescription and contains a combination of two active ingredients - salmeterol and fluticasone propionate. The purple-colored inhaler comes with a dose counter to help track remaining doses. Store at room temperature away from direct sunlight and heat.