Extreme fatigue is considered a certain feeling of tiredness or exhaustion, according to the Mayo Clinic, that doesn't improve with bed rest. A fatigue of this extreme nature is usually associated with a condition called chronic fatigue syndrome, which is still a relative mystery to many medical professionals. When suffering from extreme fatigue, a person can begin to manifest certain symptoms that can be linked back to this condition.
Fatigue
When someone is suffering from extreme fatigue, it will be an almost unrelenting fatigue that persists after rest and worsens after activity, both mental and physical, according to the Mayo Clinic. This relentless fatigue will continue to plague a person for as little as a few days to upward of a few weeks. It's a constant state of exhaustion.
Pain
For many people living with extreme fatigue linked to chronic fatigue syndrome, they will usually experience a certain amount muscle pain, discomfort or soreness. This will be a feeling that has no explanation and is not linked to some sort of physical activity. As time goes by, this pain might also manifest within the joints of the body. It might start in one joint, then shift to another and continue to move around during the period of fatigue.
Cognitive Disturbance
Because the fatigue will be persistent in nature, most people dealing with this sort of condition will begin to experience increasing periods of cognitive disturbance. It might start as intermittent problems with concentration, but, as the state of fatigue continues, it might begin to hinder a person's memory, prompting a loss in chunks of time that she can no longer remember.
Sleep Disturbance
Even though the extreme fatigue will cause a person to want to sleep, it doesn't mean she will be able to accomplish it. For many people, they become so fatigued that they can't get to sleep when trying. This will disrupt a person's sleep cycle, which can further exacerbate the problem.
Headaches
Some people living with extreme fatigue can experience periodic episodes of fairly severe headaches. These headaches will react to medication commonly used to treat head pain, such as ibuprofen or aspirin, but is still a possible symptom of extreme fatigue. For some, it will be one headache a day. For others, it could be three or four. It depends on the person how the body will react to the fatigue.
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