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Long-Acting Beta-Agonists (LABA) Definition

Long-acting beta-agonists (LABAs) are taken on a daily basis to relax the muscles lining the airways that carry air to the lungs. This allows the tubes to remain open, making breathing easier. LABAs should be taken only in combination with a corticosteroid to treat asthma. They are used in a metered-dose or dry powder inhaler.

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