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Idiopathic Pulmonary Fibrosis: Prognosis, Symptoms ...

Pulmonary fibrosis (scarring throughout the lungs) symptoms are shortness of breath, coughing, and diminished exercise tolerance. Idiopathic pulmonary fibrosis describes a condition in which the cause is unknown. Pulmonary fibrosis has many causes such as exposure to asbestos, infections, lupus, RA, and medication.