Coughing Up Blood: Causes and Treatment
What Is Coughing Up Blood? Coughing up blood—also known as hemoptysis—can be an alarming experience. It’s when blood appears in your sputum (mucus or phlegm) when you cough. Sometimes, it looks like streaks of red in mucus. Other times, it can appear as bright red clots. While it can be caused by something relatively minor
