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 ...

DEAR DR. ROACH: In a recent column, you noted that many patients do not properly use their inhaled asthma/chronic obstructive pulmonary disease (COPD) medications, but you didn’t tell us how to ...