Montelukast is used to prevent wheezing, difficulty breathing, chest tightness, and coughing caused by asthma in adults and children 12 months of age and older. Montelukast is also used to prevent bronchospasm (breathing difficulties) during exercise in adults and children 6 years of age and older.

Montelukast is used to prevent wheezing, difficulty breathing, chest tightness, and coughing caused by asthma in adults and children 12 months of age and older. Montelukast is also used to prevent bronchospasm (breathing difficulties) during exercise in adults and children 6 years of age and older.

Pirmax 200 is a brand name for the medication pirfenidone, an anti-fibrotic drug used to treat idiopathic pulmonary fibrosis (IPF) in adults. Pirfenidone 200 mg tablets help slow down the progression of IPF, which is characterized by scarring in the lungs and difficulty breathing.