Cancer fatigue is a feeling of extreme weakness and tiredness. It happens during cancer treatment. At times, it can make it hard to do basic tasks. The fatigue can last for weeks or even years. Treatment can help.
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Cancer fatigue is caused by cancer and the side effects of treatment. Fatigue can be made worse by:
Things that raise the risk of cancer fatigue are:
Symptoms of cancer fatigue may be:
The doctor will ask about symptoms and past health. A physical exam will be done. The doctor may ask questions and give a questionnaire. This will help make a diagnosis.
The goal is to help ease fatigue. It is also to treat conditions that may be causing the fatigue, such as anemia.
Treatment options may be:
It is not always possible to prevent cancer fatigue. Managing treatment and side effects can help.
American Cancer Society
National Cancer Institute
Canadian Cancer Society
Provincial Health Services Authority
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Last reviewed July 2021 by EBSCO Medical Review Board Mohei Abouzied, MD, FACP Last Updated: 9/22/2021