PIRFENIDONE treats pulmonary fibrosis, a condition that causes the lungs to scar and stiffen, making it hard to breathe. It works by preventing changes to the lung tissue. This delays worsening symptoms.
Disclaimer: Popularity is based on total prescriptions for the brand and generic versions of each drug, regardless of the condition being treated. Some drugs are prescribed for multiple conditions.
Subscribe and save
Get prescription saving tips and more from GoodRx Health. Enter your email to sign up