Bronchitis may cause you to cough up blood, known as hemoptysis. Bronchitis is inflammation of the bronchial tubes, or airways, that usually happens due to an infection or breathing in irritants like ...

Chronic obstructive pulmonary disease (COPD) affects approximately 29 million people in the U.S. and is the fourth leading cause of death. Mucus plugging (mucus that accumulates in the lungs and ...

Healthcare professionals use X-rays to check the airways and lungs. This can help them diagnose bronchitis or rule out other lung conditions that also cause a persistent cough. Bronchitis occurs when ...