Apr 18, 2023 · Fatigue is a term used to describe an overall feeling of tiredness or a lack of energy. Learn about over 30 possible causes, from stress to taking certain medications.

Apr 13, 2023 · Fatigue The definition of fatigue is extreme tiredness. Severe fatigue makes it difficult for you to get up in the morning and make it through your day. Many conditions and lifestyle factors can …

Fatigue is a state of being without energy for a prolonged period of time. [1][2] Fatigue is used in two contexts: in the medical sense, and in the sense of normal tiredness. In the medical sense, fatigue is …

Nov 12, 2025 · Fatigue is a lingering tiredness that is constant and limiting. With fatigue, you have unexplained, persistent, and relapsing exhaustion. It's similar to how you feel when you have the flu or...

Nov 3, 2025 · Explore the causes of fatigue, its symptoms, and treatments. Find out how to boost energy and improve your well-being.

Fatigue is generally defined as a feeling of lack of energy and motivation that can be physical, mental, or both. Fatigue is not the same as drowsiness, but the desire to sleep may accompany the fatigue. …

Jul 1, 2025 · There are two main types of fatigue: physical and mental. Someone with physical fatigue may find it physically hard to do the things they usually do, such as climbing the stairs. Symptoms...

Oct 14, 2015 · Fatigue can be described as a lack of energy and motivation (both physical and mental). This is different than drowsiness, a term that describes the need to sleep.

Dec 15, 2025 · Everyone feels tired from time to time after a long workday, a stretch of poor sleep, or a busy season of life. But when exhaustion becomes persistent, overwhelming, or out of character for …

fatigue, specific form of human inadequacy in which the individual experiences an aversion to exertion and feels unable to carry on. Such feelings may be generated by muscular effort; exhaustion of the …