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

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

6 days ago · 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 …

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 …

6 days ago · 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 …

Apr 10, 2024 · Adrenal fatigue is a term used to describe a group of symptoms that aren't specific. It's not an official medical diagnosis.

Apr 25, 2025 · 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 …

Jun 13, 2020 · Pneumonia — Learn about the symptoms, causes and treatment of this serious lung infection.

Jul 31, 2024 · The lining of the tubes that carry air to and from your lungs is inflamed. Signs and symptoms include cough, mucus, fatigue and chest discomfort.

Dec 4, 2025 · The symptoms can come on gradually, but they can also show up suddenly. And these can include diarrhea, fever, fatigue, abdominal pain and cramping, blood in your stool, mouth sores, …