Which term refers to a cough that produces blood?

The term that refers to a cough that produces blood is "hemoptysis." This word is derived from the Greek words "haima," meaning blood, and "ptysis," meaning to spit. Hemoptysis specifically indicates the presence of blood in the sputum that is expelled during coughing, which can be a sign of various underlying medical conditions affecting the lungs or respiratory system, such as infections, tumors, or pulmonary embolism.

Understanding this term is essential in medical practice as it conveys critical information about a patient's respiratory health. Recognizing hemoptysis can prompt further evaluation and intervention to address its underlying cause, making it an important term in clinical settings.