Fatigue

Fatigue is a common symptom of perceived lack of physical and/or mental energy interfering with daily activities. It can be caused by various factors and manifests differently in intensity and duration.

Fatigue is a subjective state characterized by a perceived lack of physical and/or mental energy that significantly interferes with an individual's usual activities. It encompasses a range of symptoms, including feelings of tiredness, weakness, reduced alertness, impaired concentration, decreased motivation, and difficulty initiating or sustaining activity. The intensity and duration of fatigue can vary widely depending on the underlying cause. Potential causes include medications, underlying medical conditions (e.g., anemia, thyroid disorders), psychological stress, sleep disorders, poor nutrition, and lifestyle choices (e.g., lack of physical activity). It is a common and nonspecific symptom that requires careful evaluation to determine its etiology.