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Here at Lungs&You®, you can find information about pulmonary fibrosis, idiopathic pulmonary fibrosis (IPF), and interstitial lung disease (ILD). ILD can be a serious condition that may cause scarring of the lungs. When ILD causes scarring of lungs, it’s often referred to as pulmonary fibrosis. There are many different types of ILD—some with known causes and some with unknown causes. IPF is one of the most common types of ILD and has an unknown cause.
Lungs&You® began as a helpful resource for people with IPF. Then, we broadened the site to include information about many types of ILD that can progress, or get worse over time, while maintaining our extensive support for those with IPF.
Looking for Answers but Don’t Know Where to Start?
Answer the questions below to find helpful resources about IPF and ILD, which may cause scarring of the lungs commonly referred to as pulmonary fibrosis.
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Could What You're Feeling Be a Sign of ILD?
ILD can be a serious disease that may lead to scarring of the lungs commonly
called pulmonary fibrosis. Watch
to learn more about the warning signs.
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Keep in mind, Lungs&You® does not provide medical advice. Please consult
with your healthcare provider if you have specific questions about your health.
Causes of ILD
ILD can be caused by a variety of things like certain underlying autoimmune diseases, environmental substances, occupational exposures, and more. Sometimes the cause of ILD is unknown. Explore some common causes of ILD below.

Unknown Causes
Sometimes the cause of ILD is unknown. When there is not a known cause,
it’s called an idiopathic interstitial pneumonia. There are different
types
of idiopathic interstitial pneumonias, including:
Idiopathic pulmonary
fibrosis (IPF)
Idiopathic non-specific interstitial pneumonia (iNSIP)
Unclassifiable ILD
Unsure What to Do After an ILD Diagnosis?
We’re here to help. Learning to monitor and manage ILD with worsening fibrosis takes time, but we have collected many resources to help you or your loved one find a path forward.


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Do you have questions but no answers about your lung health? Are you looking to connect with someone who can help? Call us—we’re here for you.
Monday - Friday, 9 am - 6 pm ET
Keep in mind, Lungs&You® does not provide medical advice. Please consult with your healthcare provider if you have specific questions about your health.
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Could You Be at Risk for ILD?
If you have been diagnosed with another condition known to cause ILD, you could be at increased risk of developing the disease.