Fatigue Causes - Mayo Clinic 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 is a symptom of an illness that needs treatment Lifestyle factors Fatigue may be related to:
Myalgic encephalomyelitis chronic fatigue syndrome (ME CFS) Overview Myalgic encephalomyelitis chronic fatigue syndrome, also called ME CFS, is a complicated condition It causes extreme fatigue that lasts for at least six months Symptoms worsen with physical or mental activity but don't fully improve with rest The cause of ME CFS is unknown, although there are many theories Experts believe it might be triggered by a combination of factors
Fatigue When to see a doctor - Mayo Clinic 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 of suicide Call 911 or your local emergency services number right away Or contact a suicide hotline In the U S , call or text 988 to reach the 988 Suicide Crisis Lifeline Or use the Lifeline Chat Schedule a
Myalgic encephalomyelitis chronic fatigue syndrome (ME CFS) Diagnosis There's no single test to confirm a diagnosis of myalgic encephalomyelitis chronic fatigue syndrome, also called ME CFS Symptoms can mimic those of many other health conditions, including: Sleep disorders Fatigue can be caused by sleep disorders A sleep study can determine if your rest is being disturbed by conditions such as obstructive sleep apnea, restless legs syndrome or
Hypothyroidism (underactive thyroid) - Symptoms and causes 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 symptoms in its early stages Over time, hypothyroidism that isn't treated can lead to other health problems, such as high cholesterol and heart problems
Swollen lymph nodes - Symptoms causes - Mayo Clinic Swollen lymph nodes most often happen because of infection from bacteria or viruses Rarely, cancer causes swollen lymph nodes The lymph nodes, also called lymph glands, play a vital role in the body being able to fight off infections They work as filters, trapping viruses, bacteria and other causes of illnesses before they can infect other parts of the body Common areas for swollen lymph
Anxiety disorders - Symptoms and causes - Mayo Clinic These feelings of anxiety and panic interfere with daily activities, are difficult to control, are out of proportion to the actual danger and can last a long time You may avoid places or situations to prevent these feelings Symptoms may start during childhood or the teen years and continue into adulthood Examples of anxiety disorders include generalized anxiety disorder, social anxiety
الإرهاق Causes - Mayo Clinic (مايو كلينك) Clinical Overview: Malaise and fatigue https: www clinicalkey com Accessed Nov Nov 20, 2025 Maisel P, et al Fatigue as the chief complaint — Epidemiology, causes, diagnosis, and treatment