What if palliative radiotherapy does not relieve coughing up blood?

Radiotherapy may not control bleeding immediately, and blood may come from an area that needs a different treatment. Causes can include an irritated airway, infection, blood-thinning medicine, or a fragile blood vessel. The team will want to know the amount and colour of blood, whether clots are present, how often it happens, and whether breathing has changed. Continued bleeding is not a diagnosis by itself, but it should not be managed by waiting for the next routine appointment.

Contact the oncology team or the urgent service they gave you. Keep your prescribed medicines available and tell clinicians about anticoagulants, aspirin or supplements; do not stop them unless instructed. Sit upright, stay as calm as possible and note the time, amount and appearance of blood. Do not drive yourself if you feel weak, dizzy or short of breath. Bring your treatment and medicine information to urgent care.

Call emergency services immediately for more than small streaks of blood, repeated bleeding, clots, severe breathlessness, chest pain, faintness, confusion, blue lips or a fast deterioration. Emergency assessment is also needed if you cannot clear blood from your airway. Coughing up blood can become dangerous through blood loss or blocked breathing, even when earlier symptoms were mild.

Ask whether the bleeding needs examination or imaging, when the radiotherapy effect should be reviewed, and what treatment options are available if it continues. Ask exactly whom to call, which medicines to avoid or continue, and which amount or change means you should call emergency services.