Overview 

Fatigue is a feeling of constant tiredness or weakness and can be physical, mental or a combination of both. It can affect anyone, and most adults will experience fatigue at some point in their life.

Symptoms

Fatigue can cause a vast range of other physical, mental and emotional symptoms including:

• chronic tiredness or sleepiness
• headache
• dizziness
• sore or aching muscles
• muscle weakness
• slowed reflexes and responses
• impaired decision-making and judgement
• moodiness, such as irritability
• impaired hand-to-eye coordination
• appetite loss
• reduced immune system function
• blurry vision
• short-term memory problems
• poor concentration
• hallucinations
• reduced ability to pay attention to the situation at hand
• low motivation.