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Pulmonary Fibrosis

Scarring of lung tissue that can cause progressive shortness of breath, cough, and reduced oxygen exchange, potentially linked to inhaled exposures.

Lungs & Respiratory
  • What exactly is pulmonary fibrosis?
    MedlinePlusMay 2026

    Pulmonary fibrosis is a condition where the deep tissue in your lungs becomes scarred and thick over time. This makes it hard to breathe and prevents your blood from getting enough oxygen.

  • Why does my lung tissue get scarred over time?
    MedlinePlusMay 2026

    The scarring happens for different reasons—sometimes from breathing in pollutants, taking certain medicines, having connective tissue diseases, or from other lung diseases. In many cases, doctors can't find the exact cause.

  • Can you explain why I have trouble catching my breath?
    MedlinePlusMay 2026

    When lung tissue gets thick and stiff from scarring, it can't stretch and move the way healthy lungs do. This makes it harder for your lungs to take in air and pass oxygen to your blood.

  • How can pollution cause this condition?
    MedlinePlusMay 2026

    Breathing in environmental pollutants over time can damage and inflame your lung tissue, which can lead to scarring and fibrosis.

  • Is there a way to know if I’m at risk for getting pulmonary fibrosis?
    MedlinePlusMay 2026

    Risk factors include exposure to certain pollutants, some medicines, and having connective tissue diseases, but many people develop pulmonary fibrosis without a clear risk factor.