Coughing up blood is not always a sign of lung cancer. It could be hemoptysis, which can be associated with many diseases.

Coughing up blood, medically known as hemoptysis, can trigger immediate panic and concern. While this symptom certainly warrants attention, understanding the various causes can help you better ...

Common causes of coughed-up blood Various conditions can cause hemoptysis, ranging from relatively benign to life-threatening emergencies: Respiratory infections represent the most common cause.