what is breo
BREO is a combination of two medicinesâan inhaled corticosteroid (ICS) medicine called fluticasone furoate, and a long-acting beta 2 -adrenergic agonist (LABA) medicine called vilanterolâcreating the first and only once-daily ICS/LABA that helps improve lung function for a full 24 hours.Your results may vary. Do not use BREO to relieve sudden breathing problems. 2  Always have a rescue inhaler with you to treat sudden symptoms. 3  Do not use BREO if you have a severe allergy to milk proteins or are allergic to any of the ingredients in BREO. 4  Ask your healthcare provider if you are not sure.