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It may be caused by:
Anaemia
This means that you have fewer red blood cells than normal. Anaemia may be caused by blood loss, or a shortage of iron… or perhaps by the treatment you are having. If your anaemia is severe, special treatment may be possible – your doctor will discuss this with you. A blood transfusion is one way of treating anaemia.
Your cancer treatment
Radiotherapy, chemotherapy and surgery, for instance, can all make you feel tired, listless and fed up… but once you have recovered from your treatment, the fatigue should go away.
Your emotional state
Feeling anxious, worried, depressed or sad can drain you of energy.
Losing your appetite
If you lose your appetite during treatment you may not eat enough to give you the energy you need. This can make you tired, and you may lose weight.
Pain
Prolonged or constant pain can contribute to fatigue.
Maintaining a routine
Pushing yourself to maintain your old lifestyle, activities and routines may add to your fatigue.
