The provider may also want to know about any fever , weight loss or pain. Questions about depression , menstrual periods in women and other symptoms may help in figuring out the cause of the fatigue. Almost any sudden illness and many long-term illnesses can cause fatigue. There may be many other causes of fatigue as well. Sometimes a cause cannot be found.
Prevention is related to the cause of the fatigue.
For example, avoiding stress and overexertion, getting enough sleep, and eating a healthy diet can prevent many cases of fatigue. The role of the healthcare provider is to figure out the cause of fatigue. This is done by taking a complete history and doing a physical exam. In some cases, further tests may need to be done. This often involves blood tests, such as a CBC or complete blood count, but it may also include other tests based on the suspected condition.