Albuterol is used to prevent and treat wheezing, difficulty breathing and chest tightness caused by lung diseases such as asthma and chronic obstructive pulmonary disease (COPD; a group of diseases that affect the lungs ...

Zafirlukast is used to prevent asthma symptoms. Zafirlukast is in a class of medications called leukotriene receptor antagonists (LTRAs). It works by blocking the action of certain natural substances that cause swelling ...

Montelukast is used to prevent difficulty breathing, chest tightness, wheezing and coughing caused by asthma. Montelukast is also used to prevent bronchospasm (breathing difficulties) during exercise. Montelukast is also...