If you have symptoms that your general health care provider cannot help you with, or if they think you may be better off with a specialist, they may refer you to a pulmonary specialist. Here are some signs and symptoms you may experience: 1 . Progressive cough over time (persistent cough). 2 . Shortness of breath (dyspnea). 3. Chest pain or stiffness. 4. Breathing. 5 . Symptoms of sleep apnea, such as extreme fatigue or severe snoring. Dizziness. And diseases like: 1 . Aspergillosis 2 . Bronchiectasis. 3 . Bronchitis. 4 . COVID-19. 5 . Cystic fibrosis. 6 . Emphysema. 7 . Interstitial lung disease. 8 . Lung cancer. 9 . Pulmonary hypertension. 10 . Sarcoidosis. 11 . Sleep apnea. 12 . Tuberculosis. 13. Chronic obstructive pulmonary disease 14 . Asthma Occupational lung diseases can also be treated by a pulmonologist, such as: 1 . Asbestosis. 2 . Chronic beryllium disease (berylliosis) 3 . Coal workers’ pneumoconiosis (black lung disease). 4 . Silicosis. If you have already been diagnosed with a respiratory ailment, you may be able to proceed with a scheduled appointment to manage your illness.