Cancer and radiotherapy-related fatigue: implications and therapies integratives.

Radiation therapy is a strategy widely used to treat or prevent the onset of tumors located in a particular region of the body, however, depending on the body area affected by cancer, the prescribed dose of ionizing radiation, and the technique used, they may interfere in the beneficial or side effects.Fatigue has been one of the most persistent effect before, during or after cancer treatment, whether caused by the type of treatment, as surgery, chemotherapy and radiation therapy, this may be combined or used alone.Objective was to review the fatigue related to radiotherapy and cancer, as well as the implications and therapeutics used in the treatment of cancer.The search for scientific articles was in PubMed and Scielo database.Our results show that metabolic, nutritional and adaptive changes to treatment and the own cancer affect the therapeutic follow-up and quality of life, but the inclusion of alternative therapies such as acupuncture and physical exercise have attenuated undesirable symptoms.Thus, it is suggested the inclusion of a multidisciplinary approach to cancer treatment.The well targeted cancer treatment will provide the reduction of possible adverse sideeffects and with attenuation of fatigue thus favor better quality of life for patients.