Home / Conditions & Treatments / Fatigue

Fatigue

Office worker with chronic fatigue trying to cure their tiredness with a cup of coffee.

Fatigue is a persistent feeling of tiredness or lack of energy that doesn’t improve with rest. It can affect physical, mental, and emotional well-being and may be linked to a wide range of underlying medical conditions or lifestyle factors. Chronic fatigue may be a sign that it’s time to see a healthcare provider for evaluation and support.

Symptoms
Treatments
Services
  • Constant or overwhelming tiredness
  • Difficulty concentrating or brain fog
  • Lack of motivation or low mood
  • Sleep disturbances or non-restorative sleep
  • Muscle weakness or slowed movements
  • Medical evaluation to identify underlying causes
  • Blood tests for thyroid, anemia, and vitamin levels
  • Lifestyle changes: Sleep hygiene, stress management, nutrition
  • Referral to sleep medicine, endocrinology, or behavioral health as needed
  • Targeted treatment of root causes (e.g., CPAP for sleep apnea, supplements, therapy)
  • Poor sleep quality or sleep apnea
  • Thyroid disorders (e.g., hypothyroidism)
  • Depression or anxiety
  • Chronic infections (e.g., mononucleosis, long COVID)
  • Nutrient deficiencies (e.g., iron, vitamin D, B12)
  • Diabetes or blood sugar imbalances
  • Autoimmune conditions
  • Overwork or high stress levels
  • ...and more

Healthcare Providers

Symptoms

  • Constant or overwhelming tiredness
  • Difficulty concentrating or brain fog
  • Lack of motivation or low mood
  • Sleep disturbances or non-restorative sleep
  • Muscle weakness or slowed movements

Causes

  • Poor sleep quality or sleep apnea
  • Thyroid disorders (e.g., hypothyroidism)
  • Depression or anxiety
  • Chronic infections (e.g., mononucleosis, long COVID)
  • Nutrient deficiencies (e.g., iron, vitamin D, B12)
  • Diabetes or blood sugar imbalances
  • Autoimmune conditions
  • Overwork or high stress levels
  • ...and more

Treatments

  • Medical evaluation to identify underlying causes
  • Blood tests for thyroid, anemia, and vitamin levels
  • Lifestyle changes: Sleep hygiene, stress management, nutrition
  • Referral to sleep medicine, endocrinology, or behavioral health as needed
  • Targeted treatment of root causes (e.g., CPAP for sleep apnea, supplements, therapy)

Specialties That Treat This Condition

Primary Care
Primary Care
Internal Medicine
Internal Medicine
Sleep Medicine
Sleep Medicine

Related Conditions

Blacklegged tick, or deer tick, on a blue cloth towel.
Lyme Disease
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