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 ...

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 ...