noun. A drug that widens the air passages of the lungs and eases breathing by relaxing bronchial smooth muscle.

noun. Any drug used to dilate and relax the bronchial passages and ease the flow of air to the lungs

noun. a drug that relaxes and dilates the bronchial passageways and improves the passages of air into the lungs

"It was a 24 week study, which assessed the long term bronchodilator efficacy and safety of inhaled aclidinium bromide 200 μg and 400 μg, both administered BID, compared to placebo in 828 moderate to severe COPD patients mean baseline FEV1= 1480mL."

medicament  medication  medicinal drug  medicine  

albuterol  alupent  aminophylline  atrovent  elixophyllin  

Lescol  Medicare  anticonvulsant  antidiarrheal  antihypertensive