Chronic Obstructive Pulmonary Disease (COPD)
Cough which can be chronic, dry, or with phlegm
Production of mucus (sputum), which can be clear, white, yellowish-gray or green in color — rarely, it may be streaked with blood
Fatigue or malaise
Shortness of breath, frequent respiratory infections
Slight fever and chills
Chest discomfort, loss of muscle or weight loss