Albuterol Sulfate for Inhalation 1.25 mg Sterile Unit Dose Vials 3 mL x 25/Box (Rx)Albuterol sulfate for inhalation 1. 25 mg is an inhalation agent used to treat bronchospasm in people with chronic obstructive pulmonary disease (COPD) and other lung diseases. Albuterol sulfate is in a class of medications called bronchodilators. It works by relaxing the muscles in the airways to improve breathing. Albuterol sulfate for inhalation comes as a solution (liquid) to inhale by mouth using an inhaler. It is usually used three or four times