Bevespi Aerosphere

Formoterol, also known as eformoterol, is a long-acting β2 agonist (LABA) used as a bronchodilator in the management of asthma and chronic obstructive pulmonary disease (COPD). Formoterol has an extended duration of action (up to 12h) compared to short-acting β2 agonists such as salbutamol (albuterol), which are effective for 4h to 6h. LABAs such as formoterol are used as "symptom controllers" to supplement prophylactic corticosteroid therapy. A "reliever" short-acting β2 agoni... [wikipedia]