Since chronic obstructive pulmonary disease (COPD) is characterized by progressive airflow obstruction, inhaled bronchodilators form the mainstay of treatment. A variety of new inhaled drugs and inhaler devices have recently been licensed and approved for prescribing to patients with COPD; many such drugs have been formulated in devices to deliver two different drugs at the same time. The evidence based review article highlights all of the drugs now licensed, describes some of the evidence surrounding their use and highlights practical steps in helping decide when these drugs should be considered in the context of guidelines.
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