Fatigue Causes - Mayo Clinic
Feb 11, 2023 · Most of the time fatigue can be traced to one or more lifestyle issues, such as poor sleep habits or lack of exercise. Fatigue can be caused by a medicine or linked to depression. Sometimes …
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.
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 …
Cancer fatigue: Why it occurs and how to cope - Mayo Clinic
Fatigue affects most people during cancer treatment. Cancer fatigue can result from the side effects of treatment or the cancer itself. Here's a look at the causes and what you can do to cope when you're …
Fatigue When to see a doctor - Mayo Clinic
Feb 11, 2023 · Seek help for urgent mental health problems Get emergency help if your fatigue is related to a mental health problem and your symptoms also include thoughts of harming yourself or …
Long COVID: Lasting effects of COVID-19 - Mayo Clinic
Aug 23, 2024 · COVID-19 can have lasting symptoms that affect many parts of the body. Learn more about the symptoms and effects of long COVID.
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 …
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 …
Hypothyroidism (underactive thyroid) - Symptoms and causes
Dec 10, 2022 · Overview Hypothyroidism happens when the thyroid gland doesn't make enough thyroid hormone. This condition also is called underactive thyroid. Hypothyroidism may not cause noticeable …
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.