What does it mean if I cough up blood?
Coughing up blood may be a sign of a serious medical condition. It is important to see a doctor as soon as possible.
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Coughing is your body's way of getting rid of any foreign material or mucus in your lungs.
Coughing can be a response to breathing in dust or fumes that irritate the nerve endings in the airways. It can also be a symptom of a medical problem, such as a lung infection caused by bacteria or viruses, or a long-term lung disease, such as asthma or chronic …
Coughs are usually treated by identifying and treating the underlying cause of the cough. Many different medications are also available to reduce the severity of the cough, or break down the mucus and phlegm that is then easier to dislodge from the lungs.