If you are a heavy smoker and developed bad cough would suspect emphezema or lung cancer?

If a heavy smoker develops a bad cough, it is important to see a doctor to determine the cause. While both emphysema and lung cancer are possible causes of a bad cough in a heavy smoker, there are other conditions that could also be the cause. Emphysema is a chronic lung disease that causes damage to the air sacs in the lungs, leading to shortness of breath and coughing. Lung cancer is a type of cancer that starts in the lungs and can also cause coughing. Other conditions that could cause a bad cough in a heavy smoker include bronchitis, pneumonia, and tuberculosis. It is important to see a doctor to get a proper diagnosis and treatment for the underlying cause of the cough.