What Is Fibrosis?
3. What Causes Pulmonary Fibrosis?
Numerous factors can lead to pulmonary fibrosis. Often, the cause is indeterminable. Environmental and occupational conditions are common sources. These can include the persistent presence of silica, coal and hard metal or grain dust. Asbestos fibers and animal droppings can also contribute to the disease.
Certain medical conditions can result in lung damage and lead to pulmonary fibrosis. These include pneumonia, rheumatoid arthritis, systemic lupus erythematosus and sarcoidosis. Radiation treatment for lung or breast cancer can sometimes lead to the disease, and medications such as chemotherapy drugs and heart medications may contribute to the condition.
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