What does it mean when you cough up small amounts of blood in your phlegm?

What does it mean when you cough up small amounts of blood in your phlegm?

1. Introduction Coughing up small amounts of blood in your phlegm, a clinical condition known as hemoptysis, indicates that there is bleeding somewhere in the respiratory tract. In most cases involving minor blood streaks, the underlying cause is a mild and self-limiting condition such as acute bronchitis or airway irritation from rigorous coughing. However, because … Read more