How common is coughing up blood in bronchiectasis?

Bronchiectasis permanently widens and damages parts of the airways, allowing mucus to collect and infections to recur. Inflamed airway walls contain delicate blood vessels that may bleed during coughing or an infection flare. The blood may appear as streaks mixed with mucus, but its colour and amount can vary. This symptom can have other causes, including chest infections, blood-clotting problems, or medicines that affect clotting, so the pattern needs medical review.

Contact your respiratory team or clinician when you notice blood, even if it is only streaking, so they can compare it with your usual symptoms and treatment plan. Keep taking prescribed airway-clearance treatment unless you have been told otherwise, and record how often the bleeding occurs and whether breathlessness or fever accompanies it. Do not smoke. Ask before changing medicines that affect clotting.

Call emergency services for heavy or continuous bleeding, difficulty breathing, dizziness, fainting, chest pain, confusion, or blue lips. Seek urgent assessment if the bleeding is increasing, comes with a high fever, or does not settle. Do not drive yourself if you feel weak or short of breath; sit upright and follow emergency instructions.

How does this bleeding compare with a bronchiectasis flare? Should I change airway-clearance treatment during bleeding? Which medicines or tests could affect my risk, and when should I attend hospital?