Everyone has experienced tiredness and expects it to go away after a good night's sleep. Fatigue is a much greater degree of tiredness. It is an unusual or excessive feeling of tiredness that is not easily relieved by sleep. Fatigue occurs when you feel more tired than usual or tire more quickly after completing usual activities. It also may occur when you are not doing anything.
Fatigue can be more than just a feeling of being constantly tired.
You also may experience difficulty performing everyday activities such as housework, showering and cooking. Difficulty in walking, talking, concentrating and making decisions all may be symptoms of fatigue. Sometimes, you just do not feel like yourself. Often, it is difficult trying to deal with family members or other people who may be trying to help you. Fatigue is one of the most common symptoms associated with cancer and cancer therapies.