Advair Diskus: Your Complete Guide to Asthma and COPD Management Understanding Advair Diskus: What It Is Advair Diskus is a prescription medication commonly used to treat asthma and chronic obstructive pulmonary disease (COPD). It is an inhaler that delivers a combination of two active ingredients: fluticasone propionate, a steroid that reduces inflammation, and salmeterol, a long-acting beta-agonist that relaxes muscles … Read More