Interstitial lung disease is a disease that causes inflammation to the deep tissue within the lungs, eventually resulting in damage, as noted by the National Institutes of Health's Medline Plus. Interstitial lung disease can develop for unknown reasons, but may also be caused by radiation treatment to the chest, autoimmune disease and exposure to hazardous materials, such as silica dust, asbestos, cotton dust and coal dust.
The primary symptom associated with interstitial lung disease is shortness of breathe, which is most prevalent when taking part in physical activities, such as walking up stairs or exercising. As the disease progresses, a shortness of breathe can be experienced when doing regular household activities like dressing or showering. Interstitial lung disease cannot be treated if the affected person had it develop from an unknown cause.