Fatigue as a result of a brain tumour, is often a result of the tumour affecting the brain's functions. However, fatigue itself might not always direct relate to the tumour, rather it could occur due to the body's response to the tumour or as a secondary effect of the tumour's impact on the brain.

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The presence of a brain tumour can trigger fatigue through various mechanisms:

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• Disrupted sleep patterns

• Lack of energy

• Difficulty in making decisions

• Lack of concentration

• Emotional and mental stress

• Impact on hormonal balance

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Fatigue associated with a brain tumour can vary in severity and persistence. It's crucial for individuals experiencing persistent fatigue, especially alongside other symptoms, to discuss these concerns with a healthcare professional for a proper evaluation and diagnosis.