<unk>  is an antiasthma drug that is FDA approved for the treatment of bronchoconstriction in patients with chronic obstructive pulmonary disease (COPD), including chronic bronchitis and emphysema.. There is a Black Box Warning for this drug as shown here.  Common adverse reactions include pain, chest pain, back pain, diarrhea, sinusitis, leg cramps, dyspnea, rash, flu syndrome, peripheral edema and lung disorder..
Arformoterol tartrate
Formoterol
Xamoterol
Tiotropium
Fluticasone/salmeterol
Roflumilast
Fluticasone
Levosalbutamol