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Asbestosis is a chronic, non-cancerous lung disease caused by inhaling asbestos fibers. The fibers cause inflammation and permanent scarring (fibrosis) within the lung tissue, making the lungs stiff and unable to function properly.
read more about asbestosis ...The cause is the inhalation of microscopic asbestos fibers, which are often encountered in industrial or construction environments. Once inhaled, these durable fibers become permanently lodged in the lower lung tissue and cannot be cleared by the body's defenses. The body's attempt to destroy the fibers causes chronic, widespread inflammation. This inflammatory response leads to the progressive, irreversible scarring that characterizes asbestosis.
Defining symptoms are related to severely reduced lung function. These include shortness of breath (dyspnea) that worsens slowly over decades, a persistent, dry cough, chest tightness, and fatigue. The extensive scarring prevents the lungs from expanding fully, and the thickened, damaged tissue severely restricts the passage of oxygen into the bloodstream. The patient's inability to fully oxygenate the blood often leads to long-term fatigue.
Diagnosis involves a combination of tests due to the long latency period. High-resolution Computed Tomography scans confirm the presence of interstitial fibrosis (scarring). Lung function tests measure severely restricted breathing capacity. A detailed history of asbestos exposure is also necessary for confirmation.
Asbestosis does not directly impact vision. However, some patients with severe, end-stage disease may suffer from chronic hypoxia (low blood oxygen) due to lung failure. Severe systemic oxygen deprivation can cause changes in the retina, affecting visual clarity.
Management focuses on treating symptoms and preserving lung capacity. There is no cure, as the scarring is permanent. Treatment involves supplemental oxygen therapy, pulmonary rehabilitation (specialized exercise), and medication to prevent respiratory infections.
No, asbestosis is lung scarring (fibrosis). However, asbestos exposure is also the cause of a rare cancer called mesothelioma.
No, there is no cure, as the scarring is permanent. Treatment focuses on managing symptoms and slowing progression.
Yes, fibers carried home on clothing can cause disease in family members through repeated exposure.
If you have a history of asbestos exposure, you require regular chest X-rays or CT scans. Chronic respiratory disease can lead to "Digital Clubbing." While rare, asbestos fibers can also cause "conjunctival granulomas" if the dust enters the eye. See a doctor for any persistent eye grit.
American Lung Association. Asbestosis Symptoms (lung.org). 2024.
Mayo Clinic. Asbestosis Causes (mayoclinic.org). 2025.
StatPearls. Asbestosis (ncbi.nlm.nih.gov). 2024.
MedlinePlus. Asbestosis Overview (medlineplus.gov). 2024.