Combined corticosteroid and long-acting beta-agonist in one inhaler versus long-acting beta-agonists for chronic obstructive pulmonary disease.

The co-administration of inhaled corticosteroids and long-acting beta-agonists in a combined inhaler is intended to facilitate adherence to medication regimens, and to improve efficacy in COPD. In this review they are compared with mono component long-acting beta-agonists.