The moment you notice blood in your cough, your world can suddenly feel like it’s spinning out of control. That metallic taste in your mouth and the frightening sight of red-tinged sputum can trigger ...

Few symptoms create more immediate alarm than coughing up blood. This frightening sign, medically termed hemoptysis, indicates that something significant requires attention in your respiratory system.

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 ...

Healthy phlegm is usually clear and runny, but many different health conditions can change the consistency or color. Phlegm, also called sputum, is mucus produced by your lungs that helps protect your ...

The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus that causes the coronavirus disease (COVID-19), spreads through respiratory droplets and aerosols expelled when infected ...