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There are many other possible underlying causes of coughing up blood, many of them quite serious. Because of the wide range of health issues that can cause this symptom, it is important to see a doctor when it occurs. These potential causes include: 1  trauma to the chest. 2  chronic obstructive pulmonary disease (COPD)âchronic bronchitis or emphysema. 3  foreign body/particles (such as a piece of food) caught in the lung.
even a little cough can be debilitating says mark yoder md assistant professor of pulmonary and critical care medicine at rush university medical center in chicago cold and flu season brings on hacking coughs that can leave your chest muscles aching but colds and flu aren t the only problems that cause coughing