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Fatigue is an extreme, persistent tiredness that doesn't go away with rest. It is more than just feeling sleepy—it can make it hard to do everyday tasks and affect your quality of life.
Key facts
Yes, fatigue is very common. It affects people of all ages and is one of the most frequent reasons people visit their doctor.
Fatigue can affect anyone, but it is more common in women, older adults, people with chronic illness, and those under high stress.
Your doctor will ask about your symptoms, sleep habits, diet, stress, and medical history. They may also do a physical exam and order some tests.
The doctor will work with you to identify the cause. They may refer you to a specialist if needed (e.g., sleep clinic, endocrinologist, mental health professional). Many people find relief by treating the underlying condition.
Treatment for fatigue depends on what is causing it. In many cases, changes in lifestyle and habits can make a big difference. If there is a medical cause, treating that condition is the main focus.
Living with fatigue can be challenging. It helps to pace yourself – break tasks into small steps and take breaks. Set realistic goals and prioritize what's most important. Communicate with your family, friends, and employer so they understand your limits.
Eat small, frequent meals to keep your energy steady. Include protein, complex carbs, and healthy fats. Gentle exercise like walking or swimming can improve energy over time. Start slowly and gradually increase as you feel able.
In many cases, fatigue can be prevented or reduced by maintaining a healthy lifestyle. Managing stress, getting enough sleep, eating well, staying active, and keeping up with regular health check-ups are key. If you have a chronic condition, managing it well can help prevent fatigue.
Staying up-to-date with recommended vaccines can help prevent infections that might cause fatigue (such as flu, COVID-19, and others). Ask your doctor which vaccines are right for you.
Regular health screenings – like blood pressure, cholesterol, blood sugar, and anaemia checks – can catch conditions early before they lead to fatigue. Discuss with your doctor what screening schedule is appropriate for your age and risk factors.
Most people with fatigue improve once the cause is found and treated. Even if the cause is not fully reversible, such as in some chronic conditions, there are many strategies to manage symptoms and improve quality of life. With the right support, you can learn to live well with fatigue.
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Always verify with your doctor
Health guidelines vary by country and region. The information in this article is based on international clinical guidelines but may not reflect the specific guidelines, medications, or practices in your country. Always discuss your health concerns with your own doctor or healthcare provider, and refer to your local national health guidelines where available.
Important notice This information is for educational purposes only. It does not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider about your specific situation. If you are experiencing a medical emergency, call your local emergency services immediately.
This article is educational and is prepared with reference to recognized health information and clinical guidance sources where available. Specific source links may vary by topic.
Last updated: July 9, 2026
Educational note: This information is for education only and is not a diagnosis.
Use it to support, not replace, advice from a licensed clinician.
If symptoms are severe, worsening, or urgent, call your local emergency number or seek emergency care.
If your fatigue is caused by a medical condition, your doctor will recommend treatments for that condition. For example, iron supplements for anemia, thyroid medication for thyroid disorders, or counseling and medication for depression. Do not take any over-the-counter supplements or medications without speaking to your doctor first. Always follow your doctor's advice regarding prescriptions.
Surgery is rarely needed for fatigue itself. It may be considered if an underlying condition, such as a tumor or sleep apnea due to enlarged tonsils, is causing fatigue and can be corrected surgically. Your doctor will discuss that with you if relevant.
Fatigue can affect your mood, motivation, and self-esteem. It's normal to feel frustrated, sad, or anxious. If you notice these feelings affecting your daily life, talk to your doctor or a mental health professional. If you have thoughts of harming yourself, please reach out to a crisis helpline immediately.