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How does fatigue affect cancer patients?

Fatigued patients often describe feeling tired, exhausted, lethargic or weak, having heavy arms and legs, and little drive to participate in activities. Some experience either bouts of insomnia or may sleep too much. For those suffering from fatigue, even simple activities may seem grueling. The feeling typically doesn’t go away, even after a full night’s sleep. Factors, including the type and stage of cancer, treatment history, current medications, diet, sleep or rest patterns, psychological profile and certain conditions (such as anemia, breathing problems, decreased muscle strength, etc.), may be important considerations in determining how to approach symptom management. Fatigue is often worse in patients who:

Cancer-related fatigue may be caused by many factors, and those that contribute to one person’s condition may differ completely from someone else’s experience. Cancer treatments such as chemotherapy and radiation therapy may cause fatigue. 

With radiation therapy, for example, extra energy may be needed to repair damaged skin tissue. Radiation treatments may also cause cumulative fatigue, which increases over the course of treatment. The anti-cancer drugs used in chemotherapy may also harm healthy red blood cells and lower new red blood-cell production. Fatigue may also be a common symptom of some types of cancer. Chemotherapy may disrupt eating and sleeping patterns, too, compounding fatigue’s effect.

How likely are cancer patients to experience fatigue?

Fatigue is a common side effect for cancer patients, especially during treatment. A 2011 review published in the Annals of Oncology estimated that 50 percent to 90 percent of cancer patients report feeling fatigued. The condition may profoundly affect all aspects of quality of life. Many patients report fatigue as one of the most important and distressing symptoms related to cancer and its treatment.

How may integrative care help?

A number of supportive care services may help alleviate fatigue, such as:

Chiropractic care

Pain contributes to fatigue, and may lead to poor sleep, which compounds fatigue. Fatigue may also lead to sleeping in uncomfortable positions—like, for example, falling asleep in a chair, which may cause further discomfort. Chiropractic care providers may help reduce musculoskeletal stress, which may alleviate pain and may help with quality of sleep.

Learn more about chiropractic care

Behavioral health

Based on the theory that thoughts directly influence what goes on in the body, behavioral health uses a variety of techniques to enhance the mind’s impact on physical function, symptoms and health. At Cancer Treatment Centers of America® (CTCA), behavioral health services are available to patients. Fatigue-related therapy options include:

Learn more about behavioral health

Nutritional support

Patients experiencing fatigue typically move less and may sleep more, which may lead to a decrease in food intake and increase in muscle loss. Patients may become malnourished, deconditioned and weak. At CTCA®, dietitians monitor each patient’s nutritional status from the beginning to the end of cancer treatment, making modifications as needed to reduce side effects and help prevent treatment interruptions. The nutrition team may use various interventions to combat fatigue, including:

Learn more about nutritional support

Oncology rehabilitation

This wide range of therapies is designed to help patients build strength and endurance and maintain the energy needed to perform daily tasks, roles and responsibilities. Options include:

Learn more about oncology rehabilitation