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Pulmonary Fibrosis

Pulmonary fibrosis (PULL-mun-ary fi-BRO-sis) is a disease in which tissue deep in your lungs becomes thick and stiff, or scarred, over time. The formation of scar tissue is called fibrosis.

As the lung tissue thickens, your lungs can't properly move oxygen into your bloodstream. As a result, your brain and other organs don't get the oxygen they need. For more information, go to the "How the Lungs Work" section.

Sometimes doctors can find out what's causing fibrosis. But in most cases, they can't find a cause. They call these cases idiopathic (id-ee-o-PATH-ic (More)

Understanding Pulmonary Fibrosis

  • Pulmonary Fibrosis (MedlinePlus)
  • Patient Information Handbook (Pulmonary Fibrosis Foundation)
  • Pulmonary Fibrosis (Patient Education Materials)
  • Idiopathic Pulmonary Fibrosis (ADAM)
  • Interstitial Lung Diseases (Pulmonary Fibrosis)

  • Commonly Asked Questions

    View All Q&As

  • Are There Diets to Help PF Symptoms?
  • Can Oxygen Therapy Be Used Too Much?
  • Do the Benefits of Oxygen Therapy Outweigh the Risks?
  • Is All Scarring Life Threatening?
  • Is it Hereditary?
  • Life Expectancy
  • Oxygen Therapy
  • Pulmonary Fibrosis Versus Emphysema
  • Testing for Pulmonary Fibrosis
  • What Is Parenchymal Fibrosis?

  • Additional Information

  • Symptoms and Tests
  • Treatment
  • Complications
  • The Body
  • Research Studies
  • Meet Our Experts

    NetWellness Expert Elizabeth D Allen

    Elizabeth D Allen, MD
    The Ohio State University

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    Last Updated: Mar 23, 2016