There is widespread inflammation and deposition of scar tissue within the lung tissue. There are approximately 180 different disorders within this disease classification and are further categorized by known and unknown causes. The known causes of diffuse interstitial pulmonary fibrosis are numerous and include inorganic and organic dusts, gases, fumes, vapors, medications, radiation, and certain lung infections. Risk factors are related to the known causes of these disorders.
Smoking increases the risk.
People over 40 years old are affected more frequently. The incidence is 1 out of 1000 people. The treatment depends upon the underlying cause of the disease. If there is no specific treatment for an underlying disorder, supportive therapy is indicated. The stress of illness can often be helped by joining a support groups where members share common experiences and problems.