Salbutamol Inhaler contains Salbutamol, also called Albuterol, which is available in an aerosol form. The drug acts as a bronchodilator. It acts at the ß2-adrenoreceptors on the smooth muscles that envelop the airways in the lungs. The drug adheres to the epinephrine’s active regions in the receptor and stabilizes it. These receptors spend enough time to make more cAMP, an enzyme that triggers intracellular cascades. This working of Salbutamol inhaler interrupts the ability of the muscles to contract. Eventually, it helps with bronchoconstriction, a condition that you experience dyspnea.