Pulmonary fibrosis is an interstitial lung disease that scars and damages the lung tissue, making it increasingly difficult to breathe. As the soft tissue of the lungs thickens and stiffens, symptoms worsen. Many things can cause pulmonary fibrosis, though it is often challenging for doctors to pinpoint the exact cause.
Idiopathic pulmonary fibrosis is the most common form. Idiopathic means the cause is unknown. The condition affects people in various ways. The severity and symptoms may stay the same for years or progress quickly, causing a rapid decline. Some people experience episodes of exacerbated symptoms that then return to baseline.
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