Before revision: A 2023 guidance indicates the following stated the following: in the primary care setting, a medical or psychiatric diagnosis is found in at least two-thirds of patients; the most common diagnoses are viral illness, upper respiratory infection, iron-deficiency anaemia, acute bronchitis, adverse effects of a medical agent in the proper dose, and depression or other mental disorder, such as panic disorder, and somatisation disorder; the origin of fatigue may be central, brain-derived, or peripheral, usually of a neuromuscular origin—it may be attributed to physical illness, psychological (e.g., psychiatric disorder), social (e.g., family problems), and physiological factors (e.g., old age), occupational illness (e.g., workplace stress); when unexplained, clinically evaluated chronic fatigue can be separated into ME/CFS and idiopathic chronic fatigue.
After revision: A 2023 guidance indicates the following in the primary care setting, a medical or psychiatric diagnosis is found in at least two-thirds of patients; the most common diagnoses are viral illness, upper respiratory infection, iron-deficiency anaemia, acute bronchitis, adverse effects of a medical agent in the proper dose, and depression or other mental disorder, such as panic disorder, and somatisation disorder; the origin of fatigue may be central, brain-derived, or peripheral, usually of a neuromuscular origin—it may be attributed to physical illness, psychological (e.g., psychiatric disorder), social (e.g., family problems), and physiological factors (e.g., old age), occupational illness (e.g., workplace stress); when unexplained, clinically evaluated chronic fatigue can be separated into ME/CFS and idiopathic chronic fatigue.