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  1. Fatigue Causes - Mayo Clinic

    Feb 11, 2023 · Many conditions and lifestyle factors can cause this common symptom.

  2. Fatigue Causes - Mayo Clinic

    Fatigue is a common symptom. Almost everyone feels it during short-term illness. Fortunately, fatigue usually goes away when the illness is over.

  3. Fatigue When to see a doctor - Mayo Clinic

    Feb 11, 2023 · Many conditions and lifestyle factors can cause this common symptom.

  4. Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS)

    May 11, 2023 · Overview Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a complicated disorder. It causes extreme fatigue that lasts for at least six months. Symptoms worsen …

  5. Encefalomielitis miálgica o síndrome de fatiga crónica

    Aug 2, 2023 · Descripción general La encefalomielitis miálgica o síndrome de fatiga crónica es un trastorno complicado. Causa fatiga extrema que dura al menos seis meses. Los síntomas empeoran …

  6. Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS)

    May 11, 2023 · Diagnosis There's no single test to confirm a diagnosis of myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS). Symptoms can mimic those of many other …

  7. Cancer fatigue: Why it occurs and how to cope - Mayo Clinic

    The exact causes of cancer fatigue and how best to treat it aren't always clear. Find out what healthcare professionals know about cancer fatigue and what you can do about it. Fatigue affects most people …

  8. Fibromyalgia - Symptoms & causes - Mayo Clinic

    Apr 26, 2025 · Fibromyalgia is a long-term condition that involves widespread body pain. The pain happens along with fatigue. It also can involve issues with sleep, memory and mood. Researchers …

  9. Coronavirus disease 2019 (COVID-19) - Symptoms and causes

    Oct 21, 2025 · Coronavirus disease 2019 (COVID-19) is an illness caused by the virus SARS-CoV-2. Learn more about the symptoms, risks and ways to protect yourself.

  10. Eyestrain - Symptoms and causes - Mayo Clinic

    Jul 2, 2024 · Overview Eyestrain is a common condition that occurs when your eyes get tired from intense use, such as while driving long distances or staring at computer screens and other digital …