Postviral Fatigue Syndrome, also known as chronic fatigue syndrome (CFS), is a disorder characterized by persistent and debilitating fatigue that is not improved by rest and is often worsened by physical or mental activity. It is believed to occur following a viral infection, such as the common cold, flu, or Epstein-Barr virus.
Individuals with postviral fatigue syndrome experience severe fatigue that is not proportional to the amount of physical or mental exertion and lasts for at least six months. This fatigue is often accompanied by other symptoms, including muscle pain, joint pain, headaches, sleep disturbances, cognitive difficulties, and a general feeling of malaise.
While the exact cause of postviral fatigue syndrome is still unknown, it is believed to involve a combination of factors, including viral infection, immune disorders, and psychological factors. It is thought that the immune response to the initial infection triggers a cascade of changes that result in persistent fatigue and other symptoms.
The diagnosis of postviral fatigue syndrome is mainly based on clinical assessment and exclusion of other possible medical conditions that could account for the symptoms. Treatment options for postviral fatigue syndrome mainly focus on symptom management, such as medications for pain or sleep disturbances, as well as lifestyle modifications including a balanced diet, regular exercise, and stress reduction techniques.
Overall, postviral fatigue syndrome significantly impacts the quality of life for individuals affected, and ongoing research is needed to further understand its causes and develop more effective treatment options.