Fatigue is a person's psychological and physiological state, which is the result of prolonged or intense work.
Fatigue manifests itself in a temporary decline in efficiency.
External signs of fatigue include: increased sweating, skin discoloration, impaired coordination of movements, violation of the rhythm of breathing.
Internal signs: dizziness, the appearance of pain in the muscles.
The syndrome of chronic fatigue is a disease characterized by prolonged fatigue, which is not eliminated after a long rest. The occurrence of the syndrome of chronic fatigue is usually associated with disorders in the central regulatory centers of the autonomic nervous system, caused by the inhibition of the activity of the zone, which is responsible for inhibitory processes. This unbalanced emotional and intellectual load provokes this disease to the detriment of physical activity.
Causes of fatigue
At present, the causes of the syndrome of chronic fatigue are unknown.
The main role is attributed to the deficit of macro-, microelements, food allergies, excessive mental and physical stress, viral infection (Epstein-Barr virus, herpesvirus type 6, cytomegalovirus, Coxsackie virus, enterovirus, hepatitis C, retrovirus). According to some doctors, the syndrome of chronic fatigue is a consequence of only psychiatric disorders: somatoform disorders, "large" and atypical depressions. Up to 70% of patients with symptoms of constant fatigue suffer from any chronic diseases. A lot of chronic diseases (diabetes mellitus, lung pathology, anemia) can cause a breakdown.
Fatigue can be the only sign of the initial stages of serious oncological, endocrine, immune diseases, diseases of the nervous, cardiovascular system, internal organs, as well as mental illnesses.
Sometimes constant fatigue accompanies the so-called rehabilitation (recovery) period after a serious illness. For example, post-traumatic and post-infectious syndromes.<