Inhalers should be shaken for a few seconds before each use. Biswas said patients often forget to shake the device or don't shake it long enough, particularly on subsequent puffs. The angle at which ...

New long-acting muscarinic antagonist-long-acting beta agonist users had a decreased risk for a first moderate/severe COPD exacerbation with a dry powder inhaler vs. a metered-dose or soft mist ...