Lung Disease



- Lung disease is any disease or disorder where lung function does not work properly. There are three main types of lung diseases:

Obstructive lung disease -- a decrease in the exhaled air flow caused by a narrowing or blockage of the lung airways, which can occur with asthma, emphysema, bronchiectasis, and chronic bronchitis, most often due to smoking. People with airway diseases often say they feel as if they are "trying to breathe out through a straw."



Lung tissue diseases -- These diseases affect the structure of the lung tissue. Scarring or inflammation of the tissue makes the lungs unable to expand fully ("restrictive lung disease"). This makes it hard for the lungs to take in oxygen and release carbon dioxide. People with this type of lung disorder often say they feel as if they are "wearing a too-tight sweater or vest" that doesn't allow them to breath deeply. Pulmonary fibrosis and sarcoidosis are examples of lung tissue disease.

Lung circulation diseases -- These diseases affect the blood vessels in the lungs. They are caused by clotting, scarring, or inflammation of the blood vessels. They affect the ability of the lungs to take up oxygen and to release carbon dioxide. These diseases may also affect heart function.

Most lung diseases actually involve a combination of these categories, such as emphysema, which involves both airflow obstruction and oxygenation problems. Many lung diseases involve a combination of these three types.

What causes Lung Disease?

Did you know? Smoking causes lung cancer and many other types of lung disease. Get help quitting smoking.

Experts don't know the causes of all types of lung disease, but they do know the causes of some. These include:

Some diseases that affect the lungs, like the flu, are caused by germs (bacteria, viruses, and fungi).



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Major lung diseases include:

Asthma
Chronic bronchitis
Chronic obstructive pulmonary disease
Emphysema may become lung cancer
Interstitial Lung Disease
Pulmonary fibrosis
Pulmonary Lung Disease
Sarcoidosis

Other lung diseases include:

Asbestosis
Aspergilloma
Aspergillosis
Aspergillosis - acute invasive
Atelectasis
Eosinophilic pneumonia
Lung disease can lead 2 cancer
Metastatic lung cancer
Necrotizing pneumonia
Pleural effusion
Pneumoconiosis
Pneumocystosis
Pneumonia
Pneumonia in immunodeficient patient
Pneumothorax
Pulmonary actinomycosis
Pulmonary alveolar proteinosis
Pulmonary anthrax
Pulmonary arteriovenous malformation
Pulmonary edema
Pulmonary embolus
Pulmonary histiocytosis X (eosinophilic granuloma)
Pulmonary hypertension
Pulmonary nocardiosis
Pulmonary tuberculosis
Pulmonary veno-occlusive disease
Rheumatoid lung-disease