Does glioblastoma cause persistent headache?

A growing brain tumour can affect surrounding tissue, alter pressure inside the skull, or interfere with the normal flow of fluid. These changes may produce a headache that is new, persistent, changing, or worse with coughing, straining, bending, or on waking. Headache may occur alongside nausea, vomiting, visual changes, weakness, speech difficulty, personality change, or a seizure.

Many common conditions also cause ongoing headache, including migraine, tension-type headache, sinus problems, medication overuse, dehydration, and sleep problems. The character and timing of pain help a clinician decide whether examination, imaging, or another test is appropriate. A symptom pattern cannot confirm glioblastoma by itself.

Book a medical assessment for a new headache that persists, keeps changing, interferes with daily life, or differs from your usual headaches. Before the appointment, record when it began, where it hurts, how it feels, what makes it better or worse, associated symptoms, sleep, recent illness, medicines, and use of pain relievers. Use medicines only as directed on their label or by a clinician, and do not repeatedly increase doses without advice.

If a scan is recommended, ask what it is intended to clarify and when results will be discussed. Keep a current list of medicines and relevant medical history available for the appointment.

Seek emergency care for a sudden severe headache, a headache with new weakness, facial drooping, trouble speaking, loss of vision, seizure, fainting, severe confusion, repeated vomiting, fever with a stiff neck, or a recent serious head injury. A rapidly worsening headache or a headache with difficulty staying awake also warrants immediate assessment. Do not drive yourself if neurological symptoms are present.

Ask what features of your headache are concerning, whether you need brain imaging, which pain-relief options are suitable, and what changes should prompt emergency care. If glioblastoma is being considered or has been diagnosed, ask how the tumour location and treatment may influence headache, and how symptoms will be monitored.