Truth About Fatigue: Causes, Symptoms and How to Combat It

Fatigue is defined as an overwhelming sense of tiredness that can make daily activities challenging.

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When experiencing extreme fatigue, getting out of bed, going to work, or engaging in regular tasks may feel nearly impossible. It often brings with it an intense desire to sleep, but resting may not provide the refreshment you seek.

Common Symptoms of Fatigue: Fatigue often accompanies various other symptoms, including:

  • There are feelings of depression and a lack of interest in previously enjoyed activities.
  • Difficulty concentrating or maintaining focus.
  • • We are experiencing low energy levels and motivation.
  • Increased nervousness, anxiety, and irritability.
  • Muscle weakness and discomfort.

Additional signs of fatigue can include:

  • The patient is experiencing fatigue in the eyes and legs.
  • Generalised body fatigue.
  • • There is stiffness in the shoulders.
  • • A sense of malaise or uneasiness is present.
  • • There are feelings of boredom and impatience.

What Causes Fatigue? Fatigue can stem from a wide range of factors, including lifestyle choices, medical conditions, medications, and sleep disorders. It can be either temporary or chronic (lasting six months or longer). Often, addressing lifestyle factors such as diet, exercise, and sleep can alleviate fatigue. If a medical issue underlies the fatigue, healthcare professionals can typically provide treatment or management options.

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Lifestyle Factors Contributing to Fatigue: Several lifestyle habits may contribute to feelings of fatigue, such as:

  • People made poor nutritional choices.
  • • High alcohol consumption is a concern.
  • • The use of illegal drugs is prevalent.
  • Chronic stress and burnout.
  • Sedentary lifestyle.
  • Jet lag.

Sleep Disorders: Certain sleep disorders can lead to prolonged fatigue, including

  • Insomnia.
  • Sleep apnoea.
  • Narcolepsy.
  • Shift work sleep disorder.

Medications: Some prescription medications may induce fatigue, including:

  • Benzodiazepines and sedative-hypnotics.
  • Antipsychotics and anxiolytics.
  • Opioids and anticonvulsants.
  • Beta-blockers.

Common Medical Conditions Associated with Fatigue: Fatigue can be a symptom of various medical issues, such as:

  • Infections: mononucleosis, HIV, COVID-19, influenza, pneumonia, and Lyme disease.
  • Heart and Lung Conditions: Heart disease, postural orthostatic tachycardia syndrome (POTS), chronic obstructive pulmonary disease (COPD), emphysema, and congestive heart failure.
  • Mental Health Disorders: Depression, anxiety, and post-traumatic stress disorder (PTSD).
  • Autoimmune Diseases: Type 1 diabetes, lupus, multiple sclerosis, myasthenia gravis, rheumatoid arthritis, and Sjögren’s syndrome.
  • Hormonal Imbalances: Conditions like hypothyroidism can lead to fatigue.
  • Chronic Conditions: Cancer, chronic fatigue syndrome (CFS), fibromyalgia, kidney disease, and type 2 diabetes.
  • Nutritional Deficiencies: Anaemia and deficiencies in vitamins such as D or B12, as well as dehydration.

Managing Fatigue: If you’re struggling with fatigue, consulting a healthcare provider is a beneficial starting point. They can assess your lifestyle and medications and perform necessary examinations or lab tests to uncover any underlying health issues. Treatment may involve managing the condition causing fatigue, which could include medications, lifestyle changes, or therapy.

At-Home Strategies to Alleviate Fatigue: If there’s no connection between fatigue and a medical condition, consider implementing the following lifestyle adjustments:

  • Improve Sleep Quality: Aim for 7 to 9 hours of sleep each night, avoid caffeine, electronic devices, and vigorous exercise close to bedtime, and maintain a consistent sleep schedule.
  • Limit Alcohol and Substances: Avoid illegal drugs and consume alcohol sparingly.
  • Maintain a Balanced Diet: A nutritious diet and adequate hydration can support overall health.
  • Manage Stress: Engage in activities like yoga, mindfulness, and regular exercise to help reduce stress and boost energy.
  • Stay Active: Regular exercise is essential for maintaining energy levels. Though it may seem counterproductive, physical activity can ultimately increase your energy when balanced appropriately.
  • Achieve a Healthy Weight: Consult your healthcare provider to determine a healthy weight range and strategies to maintain it.