There are numerous potential causes of fatigue as a major complaint. They range from those that cause poor blood supply to the body’s tissues to illnesses that affect metabolism, from infections and inflammatory diseases to those that cause sleep disturbances. Fatigue is a common side effect of many medications.
Beside this, what are the reasons for chronic fatigue?
It’s not known what causes CFS/ME, but there are a number of theories – for example, it may be triggered by an infection, or certain factors could make you more likely to develop the illness. Suggested causes or triggers for CFS/ME include: viral infections, such as glandular fever.
Why does my body feel so weak?
If muscle weakness is the result of pain, the person may be able to make muscles work, but it will hurt. Fatigue is a feeling of tiredness or exhaustion or a need to rest because of lack of energy or strength. Fatigue may result from overwork, poor sleep, worry, boredom, or lack of exercise.