(or, LABAs Relabeled) Long acting beta agonists (LABAs) are a family of inhaled medicines used to control asthma symptoms. LABAs include the medicines in Serevent and Foradil. LABAs are also available in combination inhalers, Advair and Symbicort, which combine a LABA with an inhaled steroid. Though LABAs dilate airways and improve airflow, they have long been associated with an increased risk of worsening asthma symptoms. It has previously been thought that using an inhaled steroid with a ...