Symptoms of brain metastases and when to seek help

A deposit may disrupt the function controlled by nearby brain tissue. Swelling around it can also raise pressure inside the skull or worsen neurological effects. A deposit near movement pathways may cause weakness, while one near language, vision, coordination, or behaviour networks may produce a different pattern.

Symptoms alone cannot confirm the cause because headaches, dizziness, nausea, and concentration problems have many possible explanations. In a person with cancer, new persistent or progressive neurological symptoms deserve prompt medical review. Examination and brain imaging help distinguish metastases from medicine effects, infection, stroke, metabolic problems, or other conditions.

Note when each symptom began, whether it was sudden or gradual, which side of the body is affected, how long an episode lasts, and whether it interferes with walking, speaking, reading, eating, or sleep. For a seizure, a witness can record what happened before, during, and after without restraining the person.

Contact the cancer team rather than adjusting steroids or anti-seizure medicines yourself. Bring a complete medicine list because pain medicines, sedatives, steroids, and anticancer treatments can also affect alertness or balance. Avoid driving when seizures, fainting, visual disturbance, confusion, or impaired control could make it unsafe.

A first seizure, a seizure that continues for several minutes, repeated seizures without full recovery, collapse, sudden facial droop, new weakness or numbness on one side, new speech difficulty, or abrupt severe confusion warrants an immediate call to emergency services. Sudden neurological loss may have causes other than cancer, but still requires immediate care.

Urgent assessment is also appropriate for a rapidly intensifying headache, headache with repeated vomiting or increasing drowsiness, sudden vision loss, or new inability to stand or walk safely. Tell the oncology team promptly about a developing headache pattern, personality change, memory decline, or frequent falls even when the change is not dramatic.

Ask which brain area may account for the symptom, whether imaging shows swelling, and whether any medicine could be contributing. Request a clear plan for symptom control, seizure first aid, driving and work, rehabilitation, repeat scanning, and the exact changes that should trigger an emergency call rather than a clinic message.