This medication is classified as a fastacting bronchodilator or reliever and it is commonly used to alleviate the symptoms associated with asthma and chronic obstructive pulmonary diseases COPD such as coughing wheezing and breathlessness Its mechanism of action involves relaxing the muscles in the airways facilitating easier air passage and providing rapid relief from breathing difficulties It is important to follow your doctors instructions regarding dosage and usage and you should not discontinue the medication without consulting your doctor Additionally it is essential to inform your doctor if you have any conditions such as high blood pressure an overactive thyroid gland a history of heart problems diabetes or low potassium levels