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Salmeterol is a long-acting beta2-adrenoceptor agonist (LABA), used in moderate to severe persistent asthma following previous treatment with a short-acting beta2-adrenoceptor agonist (SABA) such as salbutamol (albuterol).he primary noticeable difference of salmeterol from salbutamol, and other short-acting beta2-adrenoceptor agonists (SABAs), is its duration of action. Salmeterol lasts approximately 12 hours in comparison with the salbutamol, which last about 4â6 hours.
Salmeterol is used together with other medicines (such as inhaled corticosteroids) to treat asthma and prevent bronchospasm in patients with asthma. When used regularly every day, inhaled salmeterol decreases the number and severity of asthma attacks.erevent Diskus. SALMETEROL is a slow-acting bronchodilator. It helps to open up the airways of your lungs. This medicine is used to treat COPD and to prevent exercise induced bronchospasm. It is also used to treat asthma in patients taking other asthma control medicines.