Some symptoms may require urgent medical evaluation. Know when to seek emergency care.
Fatigue is a feeling of tiredness or exhaustion that doesn't go away with rest. While everyone feels tired occasionally, chronic fatigue is persistent and limits your ability to do daily activities. It's different from sleepiness - you may feel too tired to move but can't sleep.
This content is for informational purposes only and does not substitute professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider for medical concerns. In case of emergency, call 911 or your local emergency services immediately.
People with fatigue experience: • Tiredness that isn't relieved by sleep • Lack of energy • Difficulty concentrating • Motivation problems • Physical weakness • Slow thinking • Emotional exhaustion
Physical tiredness and muscle weakness making physical activities difficult.
Difficulty concentrating, brain fog, and decreased cognitive performance.
Severe, persistent fatigue lasting 6+ months without clear cause.
Controversial diagnosis claimed to be caused by chronic stress.
Sleep apnea, insomnia, or poor sleep quality prevent restorative rest.
Lack of red blood cells reduces oxygen delivery to tissues.
Hypothyroidism slows metabolism and causes fatigue.
Mental health condition often causing fatigue and low energy.
Complex disorder characterized by extreme fatigue worsened by activity.
If you sleep enough but still feel tired, possible causes include sleep apnea, anemia, thyroid problems, depression, chronic fatigue syndrome, or poor sleep quality. A doctor can run tests to identify the cause.
Treatment depends on the cause. General recommendations include good sleep hygiene, gradual exercise program, balanced diet, stress management, and treating any underlying conditions like anemia or thyroid problems.
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January 2025
We regularly review and update our content to reflect the latest medical research and clinical practices.
The information provided on this website is for general informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider for medical concerns. In case of emergency, call emergency services immediately.
Internal Medicine Physician
Internal Medicine
Dr. Rodriguez is a board-certified internist with expertise in primary care and preventive medicine.
Remember: In case of a medical emergency, call 911 immediately.
This page is for informational purposes only and does not replace professional medical advice.