Interstitial Lung Disease - Causes

Causes

ILD may be classified according to the cause. One method of classification is as follows:

1. Inhaled substances
   • Inorganic
     • Silicosis
     • Asbestosis
     • Berylliosis
   • Organic
     • Hypersensitivity pneumonitis
2. Drug induced
   • Antibiotics
   • Chemotherapeutic drugs
   • Antiarrhythmic agents
   • Statins
3. Connective tissue disease
   • Systemic sclerosis
   • Polymyositis
   • Dermatomyositis
   • Systemic lupus erythematosus
   • Rheumatoid arthritis
4. Infection
   • Atypical pneumonia
   • Pneumocystis pneumonia (PCP)
   • Tuberculosis
   • Chlamydia trachomatis
   • Respiratory Syncytial Virus
5. Idiopathic
   • Sarcoidosis
   • Idiopathic pulmonary fibrosis
   • Hamman-Rich syndrome
   • Antisynthetase Syndrome
6. Malignancy
   • Lymphangitic carcinomatosis