Advair (fluticasone propionate/salmeterol) is a brand-name drug prescribed for asthma and chronic obstructive pulmonary disease (COPD) in adults and some children. Advair comes in two versions, each ...

Salmeterol belongs to a class of drugs called bronchodilators. A bronchodilator is a medication that helps relax the muscles around the airways, which helps air move in and out of the lungs.