The signs and symptoms of a brain tumour depend on the area of the brain that is affected. A tumour in the front of the brain can alter movement or behaviour, while one at the back might alter vision.

The severity of the symptoms is not directly related to the size or aggressiveness of the tumour. A small benign tumour can cause a lot of problems if it presses on vital structures, such as blood vessels or nerves, while a big malignant tumour might only cause vague symptoms.

Common symptoms of brain cancer

  • Headache 
  • Weakness 
  • Clumsiness
  • Difficulty walking
  • Seizures
  • Altered mental status -- changes in concentration, memory, attention, or alertness
  • Nausea, vomiting
  • Abnormalities in vision
  • Difficulty with speech
  • Mood swings

None of these, alone or in combination, is specific to brain cancer. It’s best to consult your GP, who may order follow up tests if a brain tumour diagnosis is possible.


  What is brain cancer?

  Types of brain cancer

  Diagnosing and treating brain cancer

  Brain cancer research at QBI