A chronic, dry cough
Chest discomfort
Clubbing fingertips
Fatigue
Joint pain
Weakness
Bacterial or viral infection
Exposure to radiation treatments
Genetics
Occupational and environmental factors like Silica dust, Asbestos fibers, hard metal dust, Coal dust, Grain dust, Bird and animal droppings
Use of certain medications including Chemotherapy drugs, Heart medications, Some antibiotics, Anti-inflammatory drugs
Cardiologist
Pulmonologist