What is fatigue?

Fatigue is defined as an overwhelming sense of tiredness, lack of energy, and feeling of exhaustion. It can have both physical and mental components.

Some key things to know about fatigue:

  • Causes

    • Physical exertion - strenuous exercise, manual labor, illness
    • Mental exertion - stress, anxiety, overwork
    • Lack of sleep
    • Poor nutrition
    • Medical conditions - anemia, thyroid issues, sleep apnea
  • Symptoms

    • Physical

      • Muscle weakness
      • Slowed reflexes and responses
      • Aches and pains
    • Mental

      • Poor concentration
      • Memory problems
      • Irritability
  • Management

    • Get adequate sleep - aim for 7-9 hours per night
    • Reduce stress - try relaxation techniques
    • Eat a balanced, nutritious diet
    • Get physical activity, but don't overdo it
    • Treat any underlying medical issues
    • Take breaks when tired
  • When to see a doctor

    • Fatigue lasts longer than 2 weeks
    • Fatigue disrupts daily life
    • Other concerning symptoms present

In summary, fatigue is the body and brain signaling its need to recharge. It's commonly caused by exertion, stress, or lack of sleep and nutrition. Rest, healthy lifestyle habits, and treating medical issues can help manage fatigue. Seek medical care if fatigue becomes chronic or debilitating.

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